Walker Lawn Mower MBSSD User Manual

OWNER’S MANUAL  
Safety, Assembly, Operating, and Maintenance Instructions  
and ILLUSTRATED PARTS MANUAL  
Model MBSSD (27 HP)  
Please Read and Save These Instructions  
For Safety, Read All Safety and Operation  
Instructions Prior to Operating Machine  
Effective Date: 03-31-08  
P/N 2000-1  
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Table of Contents  
STARTING THE ENGINE_________________ 26  
ADJUSTING GROUND  
Owner’s Manual  
SPEED AND STEERING _________________ 26  
ENGAGING THE MOWER________________ 28  
STOPPING THE MACHINE _______________ 29  
FUEL SELECTOR VALVE________________ 29  
ADJUSTING CUTTING HEIGHT ___________ 30  
Transport Position____________________ 30  
TRANSAXLE LOCKOUTS________________ 31  
RECOMMENDATIONS FOR MOWING ______ 31  
RECOMMENDATIONS FOR TILT-UP DECK  
OPERATION/TRANSPORT _______________ 32  
General Information ________________ 1  
HIGHLIGHTED INFORMATION _____________ 1  
GLOSSARY ____________________________ 1  
IDENTIFYING NUMBER LOCATIONS________ 1  
ENGINE SERIAL NUMBER LOCATION ______ 2  
SERVICING OF ENGINE AND  
DRIVETRAIN COMPONENTS ______________ 2  
Specifications _______________________ 3  
Component Identification___________ 6  
Safety Instructions __________________ 9  
Maintenance Instructions___________33  
MAINTENANCE SCHEDULE CHART_______ 33  
IMPORTANT TIPS FOR CARE OF THE  
KOHLER ENGINE ______________________ 34  
Fuel System _________________________ 34  
Starting/Stopping ____________________ 34  
Cooling System ______________________ 34  
Air Cleaner System ___________________ 34  
Oil _________________________________ 34  
LUBRICATION _________________________ 35  
Engine Oil___________________________ 35  
Engine Break-In Oil ___________________35  
Checking Engine Crankcase Oil Level ____35  
Changing Engine Crankcase Oil/Oil Filter _35  
Mower Deck Spindle Lubrication________ 37  
DSD60 Mower Deck Lubrication ________ 37  
Transaxle Lubrication _________________ 37  
Grease Fitting and Oil Point Lubrication__ 37  
Transaxle Oil and Filter Change_________ 40  
CLEANING ____________________________ 41  
Engine Air Cleaner System_____________ 41  
Cummins/Fleetguard OptiAir™  
BEFORE OPERATING____________________ 9  
OPERATING___________________________ 10  
MAINTENANCE ________________________ 12  
SAFETY, CONTROL, AND  
INSTRUCTION DECALS _________________ 13  
Assembly Instructions _____________ 15  
SETUP INSTRUCTIONS _________________ 15  
Battery Service_______________________ 15  
Wet Battery Service __________________ 15  
Dry Battery Service __________________ 15  
Battery Charging ____________________ 16  
Mower Deck Assembly ________________ 16  
Deck Caster Wheels Installation ________ 16  
Deck Discharge Shield Installation ______ 16  
PTO Shaft Guard Installation __________ 17  
Tilt-Up Roller Wheel Installation ________ 17  
Mower Deck Installation on Tractor ______ 17  
Deck Installation ____________________ 17  
Deck Leveling ______________________ 19  
PREOPERATING CHECKLIST ____________ 20  
Air Cleaner _________________________41  
Engine Cooling System _______________ 43  
Air Intake System ____________________43  
Cylinder Head Cooling Fins ____________43  
Grass Buildup in Mower Housing _______ 44  
Transaxle Cooling Fins________________ 46  
Operating Instructions_____________ 22  
CONTROL IDENTIFICATION,  
LOCATION, AND FUNCTION _____________ 22  
Ignition Switch _______________________ 22  
Engine Choke ________________________ 23  
Engine Throttle_______________________ 23  
Forward Speed Control (FSC)___________ 23  
Steering Levers ______________________ 23  
Blade Clutch (PTO) ___________________ 23  
Parking Brake________________________ 24  
Transaxle Lockout Rods _______________ 24  
Hourmeter___________________________ 24  
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Table of Contents  
CHECKING/SERVICING _________________ 47  
Security of Air Filtration Components ____ 47  
Battery______________________________ 47  
Cleaning the Terminals _______________ 47  
Charging the Battery _________________ 47  
Tire Pressure ________________________ 47  
Wheel Nuts Torque ___________________ 47  
Sharpen Mower Blades ________________ 47  
Drive Belts __________________________ 49  
Spark Plugs _________________________ 49  
Fuel Lines and Clamps ________________ 49  
Blade Brake Action ___________________ 49  
REPLACING/REPAIRING ________________ 49  
Drive Belts __________________________ 49  
Engine/PTO Belt ____________________ 50  
Ground Drive Belt ___________________ 51  
Fuel Filter ___________________________ 52  
Mower Blades________________________ 52  
ADJUSTMENTS ________________________ 53  
Transmission Control _________________ 53  
Steering Lever Position Adjustment _____ 53  
Steering Handles Adjustment __________ 54  
Neutral Position Adjustment ___________ 54  
Full Forward Speed Adjustment ________ 55  
Straight Tracking Adjustment __________ 55  
FSC Switch - Neutral Adjustment _______ 56  
Forward Speed Control  
Friction Adjustment___________________ 56  
PTO Belt Tension _____________________ 56  
PTO Clutch __________________________ 57  
Clutch Rod __________________________ 57  
ELECTRICAL SYSTEM __________________ 57  
Illustrated Parts Manual  
TRACTOR AND DECK DECALS___________ 58  
BODY / CHASSIS ASSEMBLY ____________ 60  
MAIN COMPONENT  
POWER TRANSMISSION ________________ 62  
ENGINE GROUP _______________________ 64  
HYDROSTATIC GROUND  
DRIVE ASSEMBLIES____________________ 66  
STEERING CONTROL ASSEMBLIES_______ 68  
ELECTRICAL ASSEMBLY________________ 70  
60 INCH COMPLETE CARRIER  
FRAME ASSEMBLY_____________________ 72  
DSD60 DECK ASSEMBLY________________ 74  
MULCH KIT____________________________ 76  
WIRING SCHEMATIC____________________ 78  
Warranty___________________________ 79  
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General Information  
HIGHLIGHTED INFORMATION  
TRACTOR is the prime mover, including the en-  
gine, drive train, operator seat, and controls to  
operate the mower.  
Walker Manufacturing recommends that any ser-  
vice requiring special training or tools be performed  
by an authorized Walker Mower Dealer. There are  
several general practices to be aware of in the area  
of safety. Most accidents associated with the oper-  
ation or maintenance of a Walker Mower are  
caused by disregarding basic safety precautions or  
specific warnings. Such accidents, in most cases,  
can be prevented by being aware of the dangers  
present.  
TRANSAXLE transmits and controls power  
from the ground drive belt to the main drive  
wheel.  
TRANSAXLE LOCKOUT RODS release the  
transaxles to permit freewheeling the tractor.  
IDENTIFYING NUMBER LOCATIONS  
The tractor serial number plate is affixed to the  
tractor body just below the left rear corner of the  
seat. The mower deck serial number plate is affixed  
alongside the angle iron framing on the LH side of  
the LH mower blade drive. Model and serial  
numbers are helpful when obtaining replacement  
parts and maintenance assistance. For ready  
reference, please record these numbers in the  
space provided.  
Information of special importance has been high-  
lighted in bold type in this manual. Refer to Safety  
Instructions for the meanings of DANGER, WARN-  
ING, CAUTION, IMPORTANT, and NOTE.  
GLOSSARY  
There are many terms that are either unique to this  
equipment or that are used as acronyms. The fol-  
lowing terms and their definitions will help while  
using this manual:  
Tractor Model No. _______________________  
Tractor Serial No. _______________________  
DECK is the mowing attachment mounted on  
the front of the tractor which includes the carrier  
frame, deck housing, blade spindles, and cutter  
blades.  
Deck Serial No.  
_______________________  
FORWARD SPEED CONTROL (FSC) controls  
the maximum forward speed of the tractor;  
functioning as a cruise control.  
Engine Model No. _______________________  
Engine Serial No. _______________________  
Date of Purchase _______________________  
GROUND DRIVE refers to the dual transaxles  
which drive the main wheels.  
LEFT HAND (LH) refers to the left-hand side of  
the tractor when the operator is seated facing  
forward in the tractor seat.  
Fill In By Purchaser  
POWER TAKE-OFF (PTO) transmits engine  
power to run the cutter blades.  
RIGHT HAND (RH) refers to the right-hand side  
of the tractor when the operator is seated facing  
forward in the tractor seat.  
SIDE DISCHARGE (SD) mows but does not  
collect the mowed material.  
STEERING LEVERS steer the tractor by con-  
trolling the two transaxles.  
1
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General Information  
Serial Number  
Tractor Serial Number Location  
Serial Number  
Engine Serial Number Location  
SERVICING OF ENGINE AND DRIVETRAIN  
COMPONENTS  
Serial Number  
The detailed servicing and repair of the engine and  
transaxle are not covered in this manual. Only rou-  
tine maintenance and general service instructions  
are provided. For the service of these components  
during the limited warranty period, it is important to  
find a local, authorized servicing agent of the com-  
ponent manufacturer. Any unauthorized work  
done on these components during the warranty  
period may void the warranty. If you have any dif-  
ficulty finding an authorized outlet or obtaining  
warranty service, please contact our Service Depart-  
ment for assistance:  
Mower Deck Serial Number Location  
ENGINE SERIAL NUMBER LOCATION  
Refer to the engine manual that accompanies this  
manual for the location of the engine serial number.  
For the mower model covered by this manual, an  
engine manual is available from Kohler covering the  
Kohler Command CH740 engine.  
Walker Manufacturing Company  
5925 E. Harmony Road  
Fort Collins, CO 80528  
1-970-221-5614  
Service manuals are available for each of these  
components from their respective manufacturers as  
follows:  
Kohler Engines  
Kohler Company  
Kohler, WI 53044  
800-544-2444  
Transaxles  
Hydro-Gear  
1411 South Hamilton St.  
Sullivan, IL 61951  
2
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Specifications  
MODEL  
MBSSD  
ENGINE  
Manufacturer/Model  
Displacement  
Kohler Command CH740, 2 Cyl. OHV (Air-Cooled)  
44.0 cu. in. (725 cc)  
27.0  
HP (@ 3600 RPM)  
Max. RPM (No Load)  
Governed RPM  
3600 100  
3600 100  
Max. Torque [ft-lb (N·m) @ RPM]  
Idle RPM  
42.7 (57.9) @ 3000  
1200 75  
Spark Plug Type  
Champion RC14YC  
.030 in. (0.76 mm)  
1.9 qts (1.8 liters)  
Spark Plug Gap  
Crankcase Capacity  
Crankcase Lubricant  
SG/SH/SJ or Higher Grade Oil Only with 10W-30 Viscosity  
Above 0° F (-18° C) or 5W20 or 5W30 below 32° F (0° C)  
Oil Filter  
12 050 01 5 (2-1/2)  
Fuel Tank Capacity  
10 Gallons (38 liters)  
Two Independent Five (5) Gallon Tanks with Selector Valve  
Fuel  
Automotive Grade Unleaded Gasoline (87 Octane) or Gasohol  
(Up to 10% Ethyl Alcohol, 90% Unleaded Gasoline by Volume)  
Cooling System  
ELECTRICAL SYSTEM  
Battery  
Air Cooled  
12 Volt (340 CCA)  
Charging System  
Charging Output  
System Polarity  
Ignition  
15 Amp Alternator  
15 Amp DC (Regulated)  
Negative Ground  
Electronic Capacitive Discharge  
12 Volt Electric Key and Solenoid Operated  
IgnitionLockoutbySeatSwitch, TransmissionNeutralandBladeClutch  
Manual Reset (30A)  
Starter  
Interlock Switch  
Circuit Breaker  
TRANSMISSION  
Manufacturer/Model  
Steering  
Dual, Independent Hydro-Gear Integrated Transaxles  
Hand Lever Control / Individual Wheel  
Forward Speed Control  
Precision Friction Lock Lever, Cruise Control, with Neutral-Park  
Position  
3
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Specifications  
MODEL  
MBSSD  
TRANSMISSION (continued)  
Service Brake  
Parking Brake  
Dynamic Braking through Transaxles  
(Internal) Mechanical Lockout for each Transaxle  
(Single Lever Control)  
Neutral  
Transmission Release by Manual Dump Valve  
Direct Drive Axle from Transaxle  
Final Drive  
Transmission Fluid  
Factory Service  
20W-50 Multi-Viscosity Motor Oil (Minimum SL Grade Oil)  
79 fl oz (2336 ml)  
Transmission Fluid Capacity  
Transmission Cooling  
Ground Travel Speed  
Cooling Fan Mounted on Drive Pulley  
Forward m.p.h. (km/h)  
Reverse m.p.h. (km/h)  
0-9 (0-14) Infinitely Variable  
0-5 (0-8) Infinitely Variable  
BLADE DRIVE  
PTO Shaft  
Sliding Spline Shaft with Two (2) High-Speed U-Joints  
Each Blade (3) Mounts Directly on Belt Driven Spindles  
Blade Spindle  
Blade Drive Clutch and Brake  
Manual Mechanical Clutch with Internal Brake  
[Stops Blades within Five (5) Seconds of Disengagement]  
Max. Blade Speed  
[20-1/2 in. (52 cm) Blade] @  
3600 RPM Engine  
3200 RPM  
[18300 FPM (5578 m/min)]  
TIRE SIZE  
Deck Caster Wheel  
Drive  
13 x 5.00-6 Pneumatic (4-Ply)  
22 x 10.50-12 (4-Ply Low-Profile)  
13 x 5.00-6 (4-Ply)  
Rear  
TIRE PRESSURE  
Deck Caster Wheel  
20 PSI (137 kPa)  
15 PSI (103 kPa)  
Drive  
Rear  
20 PSI (137 kPa)  
DIMENSIONS (Tractor and Mower)  
Length  
100-1/4 in. (255 cm)  
62 in. (158 cm)  
Width  
60 in. (152 cm) SD Model  
(with Deflector)  
Height  
43-1/4 in. (110 cm)  
42-5/8 in. (109 cm)  
36-1/2 in. (93 cm)  
Wheel Base (Tractor)  
Tread Width (Tractor)  
4
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Specifications  
MODEL  
MBSSD  
MOWER DECK  
Width of Cut  
60 in. (152 cm)  
Cutting Height  
Height Adjustment  
Blade Size  
1 to 5 in. (3 to 13 cm)  
17 Positions - 1/4 in. (1 cm) Increments  
60 in. (152 cm) SD Model  
20-1/2 in. (52 cm) Three (3) Clockwise-Rotating Blades  
Deck Suspension  
Torsion-Flex Frame with Caster Wheels and  
Counterweight Springs  
CURB WEIGHT (Approximate)  
Tractor Only  
730 lb (331 kg)  
1110 lb (503 kg)  
SD Tractor and 60 in. SD Deck  
DRIVE BELTS  
Engine PTO  
Walker P/N 2230  
Walker P/N 2248  
Ground Drive  
SEAT  
Contour-Molded, with Nylon Backed Vinyl Cover and Integral  
Foam Cushion (Suspension)  
FRAME/BODY CONSTRUCTION  
Frame/Body  
Deck  
3/16 Plate Steel/14 Gauge Sheet Steel  
11 Gauge Steel  
NOTE: The manufacturer reserves the right to make changes in specifications shown herein at any time  
without notice or obligation.  
5
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Component Identification  
NOTE: Control Identification  
shown in Operating  
Instructions section.  
Body Lift  
Handle  
Tilt-Up Latch  
Counterweight Spring and  
Protective Cover  
Forward Speed  
Control (FSC)  
Friction  
Deck Support  
Arm  
Footrests  
Adjustment  
Tilt Bar  
Deck Handle  
Deck Height  
Adjustment Trigger  
Deck Support Arm  
Height Adjustment Arm  
(Cutting Height Adjustment)  
Tilt-Up Hook  
(not visible)  
Deck  
Discharge Shield  
Deck  
Caster Wheels  
Deck Height  
Lift Chain  
Front View and Right Side View  
6
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Component Identification  
Footrests  
Tailpipe  
Footrest Catch  
Assembly  
Left Hand  
Drive Wheel  
Fuel Pickup  
Fuel Tank  
and Cap  
Line  
Muffler  
Spread  
Tail Wheel  
Battery  
(not visible)  
Rear View and Left Side View  
7
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Component Identification  
Steering Levers  
Dampeners  
LH Transmission  
Control Arm  
RH Transmission  
Control Arm  
LH Transaxle  
Expansion  
Reservoir  
RH Transaxle  
Expansion  
Reservoir  
RH Transaxle  
LH Transaxle  
RH Transaxle  
Lockout Rod  
LH Transaxle  
Lockout Rod  
Clutch  
Parking Brake  
Cummins/Fleetguard  
OptiAir™ Air Cleaner  
PTO Clutch  
Lever  
Air Filter  
Cover  
Parking Brake  
Linkage  
Fuel Pickup Line  
Fuel Selector  
Valve  
Fuel Tank  
Fuel Tank Cap  
Fuel Pump  
(not visible)  
Fuel Filter  
Air Intake Hose  
Air Intake  
Plenum  
Oil Fill/  
Dipstick  
Muffler Heat  
Shield  
Rubber Bumpers  
(Body Support)  
Top View (Body Raised)  
8
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Safety Instructions  
Pay particular attention to any information labeled  
DANGER, WARNING, CAUTION, IMPORTANT,  
and NOTE in this manual.  
Walker Manufacturing cannot predict every poten-  
tially dangerous situation. Therefore, items labeled  
as such in this manual do not cover all conceivable  
situations. Any person using procedures, tools, or  
control techniques not recommended by Walker  
Manufacturing must take full responsibility for safety.  
When you see the Safety Alert Symbol (  
),  
read, understand, and follow the instructions. Fail-  
ure to comply with safety instructions may result in  
personal injury.  
The Walker Rider Lawnmower has been designed  
with many safety features to protect the operator  
from personal harm or injury. However, it is necessary  
for the operator to use safe operating procedures at  
all times. Failure to follow safety instructions  
contained in this manual may result in personal  
injury or damage to equipment or property.  
The seriousness or degree of importance of each  
type of information is defined as follows:  
DANGER  
An IMMEDIATE hazard that WILL result in  
severe personal injury or DEATH, if warn-  
ing is ignored and proper safety precau-  
tions are not taken.  
If you have any questions concerning setup, opera-  
tion, maintenance, or safety, please contact your  
authorized Walker Mower Dealer or call Walker  
Manufacturing Company at (970) 221-5614.  
BEFORE OPERATING  
1. Read and understand the contents of this  
Owner's Manual before starting and operat-  
ing the machine. Become thoroughly familiar  
with all machine controls and how to stop the  
machine and disengage the controls quickly.  
Replacement Owner's Manuals are available by  
sending the Model and Serial Number to:  
WARNING  
A POTENTIAL hazard that COULD result in  
severe personal injury or DEATH, if warn-  
ing is ignored and proper safety precau-  
tions are not taken.  
Walker Manufacturing Company  
5925 East Harmony Road  
Fort Collins, CO 80528  
CAUTION  
2. Never allow children to operate rider mower.  
Do not allow adults to operate without proper  
instruction.  
Possible hazards or unsafe practices that  
MAY result in MODERATE personal injury  
or property damage, or machine damage, if  
warning is ignored and proper safety pre-  
cautions are not taken.  
3. Clear the area to be mowed of any foreign  
objects which may be picked up and thrown by  
cutter blades. Pick up all sticks, stones, wire,  
and any other debris.  
IMPORTANT: Identifies mechanical information  
demanding special attention, since it deals with the  
possibility of damaging a part or parts of the  
machine.  
4. Keep everyone, especially children and pets, a  
safe distance away from the area being mowed.  
Do not mow with bystanders in the area.  
5. Do not operate the machine barefoot or wearing  
sandals, sneakers, tennis shoes, or similar light-  
weight footwear. Wear substantial protective  
footwear.  
NOTE: Identifies information worthy of special  
attention.  
9
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Safety Instructions  
6. Do not wear loose fitting clothing that could get  
caught in moving parts. Do not operate this  
machine while wearing shorts; always wear  
adequate protective clothing, including long  
pants. Wearing safety glasses, safety shoes,  
and a helmet is advisable and required by some  
local ordinances and insurance regulations.  
11. Never attempt to make any adjustments  
whiletheengineisrunning,exceptwherespe-  
cifically instructed to do so.  
12. The electrical system battery contains sulfuric  
acid. Avoid any contact with skin, eyes, and  
clothing. Keep the battery and acid out of reach  
of children.  
7. Prolonged exposure to loud noise can cause  
impairment or loss of hearing. Operator hear-  
ing protection is recommended. Wear a  
suitable hearing protective device, such as ear-  
muffs or earplugs.  
WARNING  
The engine exhaust from this product  
contains chemicals known to the State of  
California to cause cancer, birth defects  
or other reproductive harm.  
8. Keep all protective shields and safety de-  
vices in place. If a protective shield, safety  
device, or decal is damaged, unusable, or miss-  
ing, repair or replace it before operating the  
machine.  
OPERATING  
1. Operate the mower only in daylight or in good  
artificial light with good visibility of the area being  
mowed.  
9. Be sure interlock switches are functioning  
correctly, so the engine cannot be started un-  
less the Forward Speed Control lever is in the  
NEUTRAL-PARK position, and the PTO clutch  
is in the DISENGAGED position. Also, the  
engine should stop if the operator lifts off the  
seat with either the Forward Speed Control  
(FSC) out of the NEUTRAL-PARK position or  
the PTO clutch in the ENGAGED position.  
2. Sit on the seat when starting the engine and  
operating the machine. Keep feet on the deck  
footrests at all times when the tractor is moving  
and/or mower blades are operating. Never  
operate the tractor without deck or imple-  
ment installed.  
NOTE: There is a 1 to 1-1/2 second time delay  
function on the seat switch to avoid engine  
power interruption when driving over bumps.  
3. For a beginning operator, learn to steer  
(maneuver) the tractor with a slow engine  
speed before attempting any mowing oper-  
ation. Be aware that, with the front mounted  
mower configuration, the back of the tractor  
swings to the outside during turns.  
10. Handle gasoline with care. Gasoline is highly  
flammable and its vapors are explosive:  
a. Use an approved fuel container.  
4. Remember, for an emergency stop, the forward  
motion of the tractor can always be stopped by  
pulling the Forward Speed Control (FSC) into  
the NEUTRAL-PARK position.  
b. Never add fuel to a running engine or hot  
engine (allow hot engine to cool several  
minutes).  
5. In case the transmission drive belt breaks during  
operation, and if the machine is on a slope, the  
machine will freewheel down the slope. To  
maintain control, immediately (1) Release the  
steering levers and simultaneously (2) Move the  
FSC to the NEUTRAL-PARK position. When  
the machine is stopped or moving slowly,  
engage the parking brake.  
c. Keep matches, cigarettes, cigars, pipes,  
open flames, or sparks away from the fuel  
tanks and fuel container.  
d. Always fill the fuel tank(s) outdoors using  
care. Fill to about one inch from the top of  
the tank. Use a funnel or spout to prevent  
spilling.  
NOTE: This is exactly the same procedure  
used to normally stop and park the machine.  
e. Replace the machine fuel cap(s) and con-  
tainer cap securely and clean up any spilled  
fuel before starting the engine.  
10  
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Safety Instructions  
6. Disengage the blade clutch and put the FSC in  
the NEUTRAL-PARK position before starting  
the engine (an ignition interlock switch normally  
prevents startingof the machine if these controls  
are in the OPERATING position).  
15. When using the tilt-up deck, observe the fol-  
lowing recommendations:  
a. Do not move tractor with deck in tilt-up  
position.  
b. Never tilt body forward with deck in tilt-up  
position.  
7. Do not run the engine in a confined area  
without adequate ventilation. Exhaust fumes  
are hazardous and can be deadly.  
16. In case of a clogged or plugged mower deck:  
8. Do not carry passengers - maximum seating  
a. Disengage the blade clutch (PTO), set the  
parkingbrake,andturntheengineoffbefore  
leaving the seat.  
capacity is one (1) person.  
9. Watch for holes, rocks, and roots in the terrain  
and for other hidden hazards. When mowing tall  
grass, mow higher than desired to expose any  
hidden obstacles. Then, clean the area and  
mow to the desired height.  
b. LOOKtomakesurebladedriveshaftmove-  
ment has stopped before trying to unclog  
the system.  
c. Disconnect the spark plug wires.  
10. Avoid sudden starts or stops. Before backing  
the machine up, look to the rear to be sure no  
one is behind the machine. Watch carefully for  
traffic when crossing or working near roadways.  
d. Never place hands under the deck - use a  
stick or similar tool to remove clogged ma-  
terial.  
11. Disengage the blade drive when transporting  
themachineacrossdrives, sidewalks, etc. Never  
raise the mower deck while blades are  
rotating.  
17. If the cutting blades strike a solid object or the  
machine begins to vibrate abnormally,  
immediately disengage the blade clutch  
(PTO), stop the engine, and wait for all  
moving parts to stop. To prevent accidental  
starting, disconnect the spark plug wires.  
Thoroughly inspect the mower and repair any  
damage before restarting the engine and  
operating the mower. Make sure cutter blades  
are in good condition and blade bolts are  
12. The maximum recommended side slope  
operating angle is 20 degrees or 33% grade.  
When operating the machine on a slope, reduce  
speed and use caution to start, stop, and  
maneuver. To prevent tipping or loss of control  
of the machine, avoid sharp turns or sudden  
changes in direction.  
torqued to 64 ft-lb (86.8 N  
·m).  
13. Never adjust cutting height while the mower  
is moving. Before adjusting cutting height or  
servicing, move the Forward Speed Control  
(FSC) into the NEUTRAL-PARK position,  
engage the parking brake, and disengage the  
blade clutch (PTO). Tractor should not be mov-  
ing while adjusting cutting height.  
18. Do not touch the engine or muffler while the  
engine is running or immediately after stop-  
ping the engine. These areas may be hot  
enough to cause serious burns.  
19. When leaving the machine unattended, disen-  
gage the blade clutch (PTO), stop the engine,  
and remove the key.  
NOTE: The clutch brake should normally stop  
drive line rotation within five (5) seconds of dis-  
engaging the PTO clutch.  
14. Do not operate with the grass deflector  
chute removed. Keep the deflector in the low-  
est possible position.  
11  
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Safety Instructions  
MAINTENANCE  
11. Use care when charging the battery or per-  
forming maintenance on the battery and  
electrical system:  
1. To prevent accidental starting of the engine  
when servicing or adjusting the machine,  
remove the key from the ignition switch and  
disconnect the spark plug wires.  
a. Make sure the battery charger is unplugged  
before connecting or disconnecting cables  
to the battery.  
2. To reduce fire hazards, keep the engine free of  
grass, leaves, excessive grease, and dirt.  
b. Charge the battery in a well-ventilated  
space, so gases produced while charging  
can dissipate. Make sure the battery vents  
in the caps are open.  
3. Keep all nuts, bolts, and screws tight to ensure  
the machine is in a safe, working condition.  
Check the blade mounting bolts frequently, mak-  
ing sure they are tight.  
c. Keep sparks, flames, and smoking materi-  
als away from the battery at all times. To  
avoid sparks, use care when removing bat-  
tery cables from posts.  
4. Perform only maintenance instructions de-  
scribed in this manual. Unauthorized main-  
tenance operations or machine modifications  
may result in unsafe operating conditions.  
d. Disconnect both battery cables before  
unplugging any wiring connectors or  
making repairs on the electrical system.  
5. If the engine must be running to perform a main-  
tenance adjustment, keep hands, feet, and  
clothing away from moving parts. Do not wear  
jewelry or loose clothing.  
IMPORTANT: Keep all applicable manuals  
immediately accessible to anyone who may  
operate or service this machine.  
6. Always use the proper engine service  
manual when working on the engine.  
Unauthorized maintenance operations or  
modifications to the engine may result in  
unsafe operating conditions.  
7. Altering the equipment or engine in any manner  
which adversely affects its operation, perfor-  
mance, durability, or use will VOID the warranty  
and may cause hazardous conditions.  
8. Never attempt to disconnect any safety devices  
or defeat the purpose of these safety devices.  
9. Do not change the engine governor settings or  
overspeed the engine. The governor has been  
factory-set for maximum-safe engine operating  
speed.  
10. Use genuine factory replacement parts. Sub-  
stitute parts may result in product malfunction  
and possible injury to the operator and/or  
others.  
12  
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Safety Instructions  
SAFETY, CONTROL, AND INSTRUCTION DECALS  
Safety, Control, and Instruction Decals are installed on the machine;  
if any are missing, illegible, or damaged, a replacement should be ordered and installed before  
putting the machine into operation. The Decal Part Number is listed below and in the Parts Section.  
Each End of Mower Deck (5808)  
SD Deck Discharge Shield (5848)  
Engine Shroud (5855)  
LH Fender (2802-1)  
RH Fender (2802-2)  
PTO Guard (8746)  
Deck Carrier Frame (2748)  
13  
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Safety Instructions  
SAFETY, CONTROL, AND INSTRUCTION DECALS  
Safety, Control, and Instruction Decals are installed on the machine;  
if any are missing, illegible, or damaged, a replacement should be ordered and installed before  
putting the machine into operation. The Decal Part Number is listed below and in the Parts Section.  
BELT ROUTING  
DRIVE BELT  
WALKER PP/N 2731  
BLADE PUULLEY  
C ARLISLE PP/N R3VX1250-2  
WALKER P/N 2240  
BELT TWIST  
DRIVE PULLEY  
BELT TTWIST  
WALKER P/N 2240-1  
2749  
Deck Housing (2749)  
Rear Body, Underside (2107-4)  
On Transfer Mount (2010-4)  
On Precleaner Mount (4107-1)  
Rear Body,  
Above Muffler (5805)  
Deck Housing (8653-1)  
Front Body Adjacent to  
RH Steering Lever (2807-1)  
On Engine (6810)  
Center Body Behind Transaxles  
(9804)  
Deck Carrier Frame (8653)  
Deck Carrier Frame (8647)  
14  
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Assembly Instructions  
SETUP INSTRUCTIONS  
Dry Battery Service  
Walker Mowers are shipped partially assembled to  
our distribution network, and are typically assembled  
by the selling dealer. For any additional assembly  
besides the following, contact your Walker dealer.  
DANGER  
Activating a battery can be dangerous.  
The battery should be taken to a reliable  
service station, battery store, or power  
equipment dealer where a trained techni-  
cian can activate the battery safely. DO  
NOT attempt to activate the battery unless  
you are experienced in battery service  
work. The following activation and charg-  
ing instructions are provided for use by a  
trained battery technician.  
Battery Service  
Raise mower body up for battery access. Check the  
battery for electrolyte level and charge. The  
electrolyte level should be at the bottom of the vent  
wells [1/4 to 1/2 in. (6 to 13 mm) above plates]. If the  
specific gravity is less than 1.225, the battery needs  
charging. If the battery has been shipped dry, or is  
wet but needs service, refer to the following  
instructions.  
IMPORTANT: Make sure battery is securely  
mounted in the frame. A loose battery may cause  
damage to the case resulting in acid leakage and se-  
vere damage to the machine. A hazard may be cre-  
ated by damage to critical working parts and safety  
systems.  
DANGER  
Battery electrolyte is a poisonous and cor-  
rosive sulfuric acid solution.  
Avoid spillage and contact with skin,  
eyes, and clothing - causes severe burns.  
Wet Battery Service  
Ifthebatteryhasbeenshippedwet,buttheelectrolyte  
level is low or the battery needs to be charged then:  
To prevent accidents, wear safety gog-  
gles and rubber gloves when working with  
electrolyte.  
1. Fill each battery cell with drinking water to the  
bottom of the vent wells.  
Neutralize acid spills with baking soda  
and water solution.  
2. Charge battery. Refer to Battery Charging in  
this section.  
To fill (activate) battery with electrolyte (if battery has  
been shipped dry):  
1. Remove the battery hold-down bar, disconnect  
the battery cables and lift the battery out of the  
tray.  
IMPORTANT: Battery must be removed from  
the mower before filling with electrolyte.  
IMPORTANT: Obtain and use only battery  
grade sulfuric acid electrolyte with a 1.265 spe-  
cific gravity to activate the battery. DO NOT use  
water or any other liquid during initial activation.  
2. Remove the filler caps and carefully fill each cell  
until the electrolyte is just above the plates.  
3. After the battery is filled with electrolyte, replace  
the filler caps and charge the battery. Refer to  
Battery Charging.  
15  
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Assembly Instructions  
Battery Charging  
DANGER  
BATTERIES PRODUCE EXPLOSIVE GASES  
Charge the battery in a well-ventilated  
area, so that gases produced while charg-  
ing can dissipate.  
Keep sparks, flames, and smoking mate-  
rials away from the battery at all times.  
Make sure the battery cap vents are open  
after the battery is filled with acid (check  
manifold vent on each cap).  
Deck Caster Wheel Installation  
Make sure the battery charger is unplug-  
ged before connecting or disconnecting  
cables to the battery.  
Deck Discharge Shield Installation  
Attach the deck side discharge shield by positioning  
the shield hinge lug in front of the deck mount and  
fastening with two 3/8-16 x 1-1/4 in. bolts, 3/8-16  
ESNA nuts, and 3/8 in. wave spring washers. The  
wave washers fit between the two hinging surfaces.  
Tighten the nuts until the shield moves freely but is  
not loose.  
1. Charge the battery at 15 amps for 10 minutes.  
DO NOT exceed 20 amps maximum recom-  
mended charging rate. Charge until specific  
gravity is at least 1.250. Total charging time  
should not exceed one (1) hour.  
2. After charging the battery, adjust the electrolyte  
level to the bottom of the vent wells [1/4 to 1/2 in.  
(6 to 13 mm) above the plates].  
WARNING  
DO NOT operate the machine without the  
grass deflector chute attached and in the  
lowest possible position.  
IMPORTANT: DO NOT overfill the battery.  
Electrolyte will overflow through the vented caps  
onto parts of the machine and WILL result in  
severe corrosion.  
3. Install battery.  
Attach Shield  
Mower Deck Assembly  
Deck Caster Wheels Installation  
1. Remove the bolts and washers from each deck  
caster wheel.  
2. Install wheel on fork using bolts and washers.  
NOTE: Valve stem and grease zerk should  
face to the inside of machine.  
3. Tighten the bolts and washers.  
Deck Discharge Shield Installation  
16  
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Assembly Instructions  
PTO Shaft Guard Installation  
Mower Deck Installation on Tractor  
Position the shaft guard as shown and mount with  
two 1/4-20 x 1/2 in. bolts.  
Deck Installation  
1. Lightly grease each deck support arm (2) on the  
tractor. RefertoMowerDeckInstallationphoto  
for location of deck support arm.  
Carrier Frame  
Tube Sockets  
2. Engage the LH deck carrier frame tube socket  
first on the tractor support arms and then the RH  
tubesocket,slidethedeckontothesupportarms  
approximately 3 in. (76 mm).  
Attach  
Guard  
PTO Shaft Guard Installation  
Tilt-Up Roller Wheel Installation  
Mount the two (2) tilt-up roller wheels on the brackets  
on the rear skirt of the deck housing using the  
P/N 8490 axle bolt, 3/8 in. wave spring washer and  
3/8-16 in. Whiz locknut. Tighten the axle bolt until the  
wheel rolls freely, but is not loose.  
Retract Coupler Ring  
3. Retract spring-loaded coupler ring on the PTO  
Tube (provided in Owner’s Packet) and insert  
coupler tool. Refer to Quick Coupler Installa-  
tion Tool photo.  
Quick Coupler  
Installation Tool  
Roller Wheel  
PTO Tube  
Roller Wheel Installation  
Pull Back Spring-Loaded  
Coupler Ring  
Quick Coupler Installation Tool  
17  
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Assembly Instructions  
4. Reaching under the tractor, join the PTO tube to  
the PTO shaft (align arrow decals). Slide the  
PTO tube onto the spline shaft on the tractor  
PTO drive shaft.  
IMPORTANT: To prevent damage to the  
mower, make sure the PTO shaft assembly is  
securely locked on the tractor, with the locking  
balls fully seated in the groove and the ring in the  
full forward position (refer to the Coupler Ring  
“Locked” Position photo). After installation,  
pull on the shaft to check for security.  
Arrows on Shaft and Tube  
(used to align when sliding together)  
Spring-Loaded Coupler Ring  
In Fully Forward Position  
Grease Deck  
Support Arms  
PTO  
Connection  
Mower Deck Installation  
(PTO Shaft Connection)  
Coupler Ring “Locked” Position  
5. Slide the deck the rest of the way on the deck  
arms.  
8. Raise the mower body (instead of lifting the  
front of deck) and clip the counterweight springs  
to the receptacle on front of body. Lower the  
body to tension the springs. (Refer to Deck  
Counterweight Spring Installation Photo.)  
9. With the counterweight springs connected, the  
weight on the deck caster wheels should be 15  
to 25 Ib (6.8 to 11.3 kg). Check this weight by lift-  
ing on the front of the deck carrier frame. If  
required, the spring tension can be adjusted by  
tightening or loosening the elastic stop nuts lo-  
cated underneath the lower spring hook. Refer  
to Deck Counterweight Spring Installation  
photo.  
Deck Support  
Arms  
Lynch Pins  
Lock Deck On  
Support Arms  
(not visible)  
Counterweight Springs  
Clip Onto Body  
With Body Tilted Up  
Mower Deck Installation  
6. Install the lynch pin through the hole on the end  
of each support arm to lock the deck in place  
(refer to Deck Counterweight Spring Installa-  
tion photo). Two (2) lynch pins are included in  
the owner's packet of materials.  
7. Remove Installation Tool from coupler ring and  
make sure the ring has “snapped” securely on  
the spline shaft.  
Spring Tension Adjustment  
Nut Located Under Lower  
Spring Hook (not visible)  
IMPORTANT: DO NOT operate tractor with  
Quick Coupler Installation Tool installed.  
Deck Counterweight Spring Installation  
18  
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Assembly Instructions  
2. Check the side-to-side level. Rotate the out-  
side blades sideways and measure the  
distance from blade tip to ground on each side.  
If measurements vary more than 1/8 in. (3 mm),  
adjust the height adjustment rod on the high side  
to level the deck.  
Deck Leveling  
1. Position mower on a smooth, level surface. Set  
the cutting height to the highest position - 5 in.  
(127 mm) - for easy access under the deck to  
measure blade height. Refer to ADJUSTING  
CUTTING HEIGHT in Operating Instructions.  
3. Check the front-to-rear level. Rotate the cen-  
ter blade to point forward. Measure the  
distance from blade tip to ground on the front  
and rear. The rear of the blade should be 1/8 to  
1/4 in. (3 to 6 mm) higher than the front of the  
blade; remove the chain from the deck height  
adjuster clevis and adjust equally to achieve at  
least 1/8 in. (3 mm) difference. Reinstall  
chains.  
NOTE: A block of wood cut 5 in. (127 mm) high  
is a convenient gauge to measure blade height  
above ground during the leveling process.  
WARNING  
The machine must be shut off during this  
procedure.  
NOTE: The mower deck and support frame are  
jig welded; within normal tolerances, very little, if  
any, adjustments should be required to level the  
deck. Tire pressure will influence the levelness  
of the deck. Check the tire pressure as a possi-  
ble cause of the deck not being level.  
Height Adjustment  
Rod  
Rear  
Rod End  
Front  
Rod End  
Should be 1/8 in. (3 mm)  
to 1/4 in. (6 mm) higher  
at the rear of the blade  
Rear  
Rod End  
Should not vary more  
than 1/8 in. (3 mm)  
side-to-side  
5 in. (127 mm)  
Wood Block  
5 in. (127 mm)  
Wood Block  
Front  
Rod End  
Deck Leveling  
19  
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Assembly Instructions  
PREOPERATING CHECKLIST  
CHECK ENGINE CRANKCASE OIL LEVEL  
Before operating the mower for the first time, and as  
a routine before daily operations, it is important to  
make sure the mower is properly prepared and ready  
for operation. The following is a list of items to be  
checked. (For a mower with frequent operation,  
someoftheseitemswillnotneedtobecheckedevery  
day,buttheoperatorshouldbeawareofthecondition  
of each.)  
Check the engine crankcase oil level before use and  
after each 8 hours of continuous operation. Refer  
to LUBRICATION for Checking Engine Crankcase  
Oil Level in Maintenance Instructions.  
CHECK AND SERVICE ENGINE AIR CLEAN-  
ER SYSTEM  
Check air restriction gauge to make sure there is  
For proper fuel and lubricants refer to Specifications.  
no red indication showing.  
FILL FUEL TANK(S)  
Check condition, cleanliness, and security of the  
complete air cleaner system (inspect air filter  
every 100 hours). For detailed procedures,  
refer to CLEANING the Engine Air Cleaner  
System in Maintenance Instructions.  
Fill the fuel tank(s) using clean, fresh, automotive  
grade unleaded gasoline (87 octane rating mini-  
mum) or gasohol (up to 10% ethyl alcohol, 90%  
unleaded gasoline by volume). See engine manual  
for complete fuel recommendations.  
CHECK ENGINE COOLING SYSTEM  
DANGER  
Check that the engine cooling air intake screen is  
free of obstruction by grass clippings or debris and  
clean if required. Also, cylinder head cooling fins  
should be inspected and cleaned if any build-up of  
debris is noted [remove two (2) cylinder head ac-  
cess panels to inspect and clean].  
Handlegasolinewithcare. Gasolineishigh-  
ly flammable and its vapors are explosive.  
Use safe refueling procedures:  
DO NOT fill fuel tank(s) with the engine  
running.  
CHECK SECURITY OF DRIVE TIRE MOUNT-  
ING NUTS  
If the engine is hot, allow to cool before  
refueling.  
The eight (8) Drive Tire mounting nuts should each  
be torqued to 75-85 ft-lbs. (101.7-115.2 N·m).  
Use an approved fuel container.  
Fuel the mower outdoors.  
INSPECT FOUR (4) DRIVE BELTS  
Engine/PTO and Ground Drive.  
DO NOT smoke while refueling.  
Avoid spilling fuel; use a funnel or spout.  
CHECK HYDROSTATIC TRANSAXLE OIL  
LEVEL  
DO NOT overfill the fuel tank(s); fill up to  
Refer to LUBRICATION for Transaxle Lubrication  
in Maintenance Instructions.  
about 1 in. (25 mm) below the top of tank.  
IMPORTANT: DO NOT permit dirt or other foreign  
matter to enter the fuel tanks. Wipe dirt from around  
the filler cap(s) before removing. Use a clean fuel  
storage container and funnel.  
CHECK TIRE PRESSURE  
Deck Caster Wheel = 20 PSI (137 kPa)  
Drive  
=
15 PSI (103 kPa)  
Rear  
=
20 PSI (137 kPa)  
IMPORTANT: DO NOT mix oil with gasoline.  
Always use fresh, automotive grade unleaded gas-  
oline or gasohol. DO NOT use premium, white, or  
high-test gasoline. DO NOT use additives, such as  
carburetor cleaners, deicers, or moisture removing  
agents. DO NOT use gasoline blended with methyl  
alcohol.  
20  
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Assembly Instructions  
CHECK FUNCTION OF SAFETY INTERLOCK  
SWITCHES  
CAUTION  
Refer to Operating Instructions to check for proper  
operation of safety switches, both during engine  
starting and with the operator leaving the seat with  
tractor moving forward or with mower blades en-  
gaged.  
Do not operate machine with locking  
arms disengaged.  
DANGER  
CHECK AND CLEAN GRASS BUILDUP  
UNDERNEATH MOWER DECK  
Do not operate the mower with deck in tilt-  
up position. Do not move the tractor with  
the deck in the tilt-up position.  
Refer to CLEANING the Grass Buildup in Mower  
Housing in Maintenance Instructions for deck tilt-up  
and deck cleaning information.  
CHECK MOWER BLADE CONDITION, SHARP-  
NESS, BALANCE, AND SECURITY OF  
MOUNTING  
DANGER  
Never operate cutter blades with deck in  
raised position because it is hazardous.  
Theblademountingboltshouldbetightenedto64ft-lb  
(86.8 N·m). If blade sharpening is required, refer to  
CHECKING/SERVICING for Sharpen Mower  
Blades in Maintenance Instructions.  
The tilt-up deck can be secured in the raised position  
by disengaging the locking arms on each side of the  
carrier frame and inserting the deck hook into the tilt-  
up latch on the tractor body. Before operating the  
tractor,makesuretore-engagethelockingarmsafter  
lowering the deck to the normal operating position.  
ADJUST MOWER CUTTING HEIGHT, IF RE-  
QUIRED  
Refer to ADJUSTING CUTTING HEIGHT in Oper-  
ating Instructions.  
PERFORM ANY ADDITIONAL PROCEDURES  
called for on the MAINTENANCE SCHEDULE  
CHART in Maintenance Instructions.  
Tilt-Up Latch  
Deck Secured in Tilt-Up Position  
21  
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Operating Instructions  
CONTROL IDENTIFICATION, LOCATION, AND  
FUNCTION  
seconds. If the engine does not start, return the key  
to the “O” position for at least 60 seconds before  
making a restart attempt. Prolonged cranking can  
damage the starter motor and shorten battery life.  
Release the key when the engine starts, and it will  
return to the RUN position. To stop the engine, rotate  
the key counterclockwise to the “O” position.  
CAUTION  
Before operating the mower, become fa-  
miliar with the location and function of all  
operator controls. Knowing the location,  
function, and operation of these controls  
is important for safe and efficient opera-  
tion of the mower.  
OFF  
ON  
Ignition Switch  
The ignition switch is located on the right front of the  
body and is used to start and stop the engine. The  
switch has three positions: “O” is the OFF position,  
RUN is the position the key returns to after starting,  
and “S” is the START position. When starting the  
engine, turn the key clockwise to the “S” position. Do  
not hold the key in the “S” position longer than 10  
START  
Ignition Switch  
Parking  
Brake  
Steering  
Levers  
Forward Speed  
Control (FSC)  
Choke  
(not visible)  
Throttle  
Blade Clutch  
(PTO)  
Body  
Latch  
Ignition  
Switch  
Hourmeter  
Operating Controls  
22  
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Operating Instructions  
Engine Choke  
Forward Speed Control (FSC)  
The choke control lever (black knob) is located on  
the left side of the seat. To start a cold engine, move  
the choke control forward to the ON position. After  
engine starts, move choke control toward the OFF  
position, keeping enough choke to allow the engine  
to run smoothly as it warms up. As soon as possible,  
move the choke to the OFF position. A warm engine  
requires little or no choke for starting.  
Forward Speed Control (FSC) has two functions:  
One is to set forward travel speed, and the other is  
to establish the NEUTRAL-PARK position. When  
the FSC lever is moved into the FORWARD position,  
a friction lock holds any forward speed setting from  
0 to 9 mph (0 to 14 km/h). The ground speed is pro-  
portional to the lever position; the further the lever is  
advanced forward, the faster the tractor moves. It is  
not necessary to hold the FSC in position since the  
friction lock maintains the selected lever position.  
Pulling back on the steering levers overrides the  
FSC setting and slows or stops forward travel.  
Releasing the steering levers allows the tractor to  
resume forward travel at the speed set by the FSC  
lever. To stop and park the machine, the FSC lever  
is moved backward to the NEUTRAL-PARK  
position.  
IMPORTANT: Make sure the choke is in the OFF  
position during normal engine operation; running  
with the choke in the ON position CAN damage the  
engine.  
Engine Throttle  
The throttle control lever (red knob) is located on the  
left side of the seat and is used to control engine  
speed. Moving the lever forward toward the FAST  
position increases engine speed; moving it back-  
ward toward the IDLE position decreases engine  
speed.  
Steering Levers  
Each drive wheel is controlled by its own indepen-  
dent steering lever, for both steering function and  
FORWARD/REVERSE motion. The FSC lever sets  
the maximum forward speed, and also sets the for-  
ward position of the steering levers. The steering  
levers operate only with a backward pulling move-  
ment of the lever, which causes the drive wheel for  
that lever to first slow down, stop, and then reverse  
with a full backward lever stroke. The levers are  
released to the FORWARD position for “straight-  
ahead” ground travel.  
Throttle  
Choke  
NOTE: Pushing forward on the steering levers will  
not cause any change in tractor motion - there will be  
no steering lever reaction and there will be no  
machine damage.  
Choke and Throttle Location  
Blade Clutch (PTO)  
The blade clutch lever has two positions. Pulling the  
lever FORWARD engages the PTO that drives the  
mower blades. Pulling the lever BACKWARD  
disengages the PTO and engages the blade brake.  
23  
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Operating Instructions  
Parking Brake  
Hourmeter  
The hourmeter, which is located on the right front of  
the body, displays operating time accumulated  
while the ignition switch is in the ON position.  
The parking brake functions by locking a detent arm  
internally into the transaxle. Moving the lever FOR-  
WARD engages the parking brake; moving the lever  
BACKWARD releases the brake.  
The hourmeter provides maintenance reminders  
after certain hours of operation. The hourmeter  
screen will start flashing the reminder one hour prior  
to the recommended interval and will continue until  
one hour after the recommended interval (two  
hours). The hourmeter does not have a manual  
reset function.  
IMPORTANT: Stop the tractor completely before  
engaging the parking brake. The parking brake uses  
a positive mechanical lock similar to the PARK posi-  
tion on an automotive automatic transmission. If the  
tractor is moving when the brake is engaged, it will  
result in sudden stoppage and possible internal  
damage to the transaxle.  
Procedure  
Interval*  
Reminder  
NOTE: If pressure on the parking brake pin (e.g.  
parked on a hill) makes it impossible to release the  
parking brake with the parking brake lever, move the  
mower gently forward or backward to allow the brake  
detent to release.  
C
H
G
Oil Change  
(Break-In)**  
4-6 Hours  
OIL  
Lubricate  
and Check  
Levels  
24-26 Hours  
LUBE  
Transaxle Lockout Rods  
C
H
G
Oil Change  
49-51 Hours***  
OIL  
The transaxle lockout rods disengage the transax-  
les. By lifting the rods up and locking them into place  
with the shoulder on the rod in the chassis notch, the  
transaxles are released to permit freewheeling. By  
releasing the rods and recessing them back toward  
the chassis, the transaxles are engaged for normal  
operation. The transaxle rods in the LOCKOUT  
position are used to enable moving the machine  
without the engine running (e.g., for service). Refer  
to TRANSAXLE LOCKOUTS in this section for  
operating instructions.  
*
These intervals reflect the actual time that the  
reminder will flash (one hour prior to and one  
hour after the recommended interval).  
** This reminder is only used one time.  
*** In normal operating conditions, oil changes in  
100-hour intervals are acceptable. Walker and  
the engine manufacturers recommend engine  
oil changes every 50 hours in extremely dirty  
or dusty conditions or for units with less than  
100 hours annual use.  
NOTE: The transaxle lockout rods ends should be  
completely retracted against the chassis, otherwise  
operation of the transaxle may be erratic.  
NOTE: The blinking hour glass on the display  
means that the meter is operating properly.  
Hydro Lockout  
Rods  
Hydro Lockout Rod Location  
Hourmeter  
24  
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Operating Instructions  
The Forward Speed Control also Establishes the Neutral-Park Position of the Steering Levers  
FORWARD SPEED  
CONTROL LEVER (FSC)  
LEFT WHEEL  
STEERING LEVER  
RIGHT WHEEL  
STEERING LEVER  
Forward Position  
(No Control Change)  
Full Forward  
Ground Speed  
Position  
Neutral-Park  
Position  
Intermediate  
Ground Speed  
Position  
Neutral-Park  
Position  
Reverse Drive  
Wheel Motion  
Position  
Fast  
Throttle  
Position  
Idle  
Position  
THROTTLE  
Engaged  
Position  
Engaged  
Position  
Disengaged  
Position  
PARKING BRAKE  
ON Position  
BLADE CLUTCH  
(PTO)  
OFF Position  
Disengaged  
Position  
CHOKE  
Operating Controls (Top View from Drivers Point of View)  
25  
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Operating Instructions  
STARTING THE ENGINE  
IMPORTANT: DO NOT crank the engine con-  
tinuously for more than 10 seconds at a time. If  
the engine does not start, turn the key to the  
OFF position and allow a 60 second cool-down  
period between starting attempts. Failure to fol-  
low these guidelines can damage the starter  
motor and shorten battery life.  
CAUTION  
Before operating the mower, read and un-  
derstand all Safety Instructions and Operat-  
ing Instructions.  
3. After the engine starts, gradually move the  
choke to the OFF position, keeping enough  
choke on to allow the engine to run smoothly as  
it warms up. As soon as possible, move the  
choke to the OFF position.  
WARNING  
NEVER run the engine in an enclosed or  
poorly ventilated area. Engine exhaust  
contains carbon monoxide, an odorless  
and deadly gas.  
IMPORTANT: Make sure the choke is in the  
OFF position during normal engine operation;  
running with the choke in the ON position CAN  
damage the engine.  
ADJUSTING GROUND SPEED AND STEERING  
1. Before attempting to start the engine, make  
sure the operator is in the seat, the Forward  
Speed Control is in NEUTRAL-PARK position,  
and the blade clutch and parking brake are  
DISENGAGED.  
CAUTION  
Learn to START, STOP, and MANEUVER  
the mower in a large, open area.  
NOTE: Release parking brake to prevent extra  
load on the starter if the transmission neutral is  
slightly out of adjustment.  
If the operator has not operated a machine  
with LEVER STEERING OR DUAL TRAN-  
SAXLES, steering and ground operation  
should be learned and practiced until the  
operator is completely comfortable han-  
dling the machine BEFORE ATTEMPTING  
TO MOW.  
CAUTION  
A safety interlock switch system PRE-  
VENTS CRANKING the engine with either  
the Forward Speed Control or the blade  
clutch (PTO) out of neutral. If the engine  
cranks otherwise, the safety system is not  
working and should be repaired or adjust-  
ed before operating the mower. DO NOT  
disconnect safety switches; they are for  
the operator's protection.  
DANGER  
Keep feet on footrest at all times when the  
machine is moving. Never operate the  
tractor without a deck or implement in-  
stalled.  
2. Move the choke lever to the ON position and  
move the throttle 1/4 to 1/2 open (toward FAST).  
Turn the ignition switch to the START position to  
start the engine. Release the key to RUN posi-  
tion as soon as the engine starts.  
NOTE: The choke may not be required if the  
engine is warm.  
26  
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Operating Instructions  
WARNING  
Beginning Recommendations are:  
Learn operation of the mower in an open  
area away from buildings, fences, and ob-  
structions. Learn operation on flat ground  
BEFORE operating on slopes.  
In case the transmission drive belt breaks  
during operation, and if the machine is on  
a slope, the machine will freewheel down  
the slope. To maintain control, immedi-  
ately (1) Release the steering levers and  
simultaneously (2) Move the FSC to the  
NEUTRAL-PARK position. When the ma-  
chine is stopped or moving slowly, en-  
gage the parking brake.  
Start maneuvering the mower with SLOW  
engine speed and SLOW Forward Speed  
Control setting until familiar with all operat-  
ing characteristics.  
Remember it is not necessary to hold the  
steering levers forward (a unique Walker  
feature); always PULL on the levers for  
steering or for reverse motion of the mower.  
NOTE: This is exactly the same procedure  
used to normally stop and park the machine.  
NOTE: If the FSC lever will not stay in the  
selected position, the friction lock needs to be  
adjusted. Contact your Walker Dealer.  
Learn to operate the mower with your left  
handonthesteeringleversandrighthandon  
Forward Speed Control. The use of two  
hands on the steering levers tends to cause  
overcontrol.  
CAUTION  
Learn to operate the steering levers with  
smooth action. Jerky movements are hard  
on the transmission and lawn. For sharp  
turns, do not allow the inside wheel to stop  
and twist on the grass. Pull the steering le-  
ver controlling the inside wheel into reverse  
for a smooth “rolling” turn (one wheel roll-  
ing forward while the other rolls backward).  
A safety interlock switch (seat switch) will  
cause the engine to stop if the FSC is out  
of the NEUTRAL-PARK position and the  
operator is not in the seat. The function of  
this switch should be checked by the op-  
erator raising off the seat with the tractor  
moving forward (allow 1 to 1-1/2 seconds  
off the seat for the time delay function);  
the engine should stop. If the safety sys-  
tem is not working, it should be repaired  
or replaced before operating the mower.  
DO NOT disconnect the safety switches;  
they are for the operator's protection.  
Practice maneuvering the mower until  
you can make it go exactly where you are  
aiming.  
Remember, for an emergency stop, or in  
case of loss of control, machine movement  
can always be stopped quickly by pulling  
the Forward Speed Control into the NEU-  
TRAL-PARK position.  
2. Steer by pulling the lever on the side of desired  
direction of turn, e.g., pull the LH lever to turn  
left. To minimize the possibility of overcontrol,  
use only one hand on both steering levers.  
1. Move the FSC out of NEUTRAL-PARK position  
to the desired forward speed. DO NOT hold for-  
ward on steering levers. It is not necessary to  
hold the FSC lever in position since a friction  
lock maintains the selected lever position (and  
forward travel speed).  
27  
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Operating Instructions  
ENGAGING THE MOWER  
1. Set the engine throttle at about 1/3 speed. Do  
not attempt to engage the blade clutch at  
high engine speeds. This will drastically  
shorten drive belt life. Use only moderate  
engine speed when engaging the blade clutch.  
Pull Steering  
Levers with  
Left Hand  
2. Engage the mechanical clutch by pulling the  
blade clutch lever forward quickly. DO NOT  
engage slowly. For disengagement, push the  
blade clutch lever backward quickly.  
Forward Speed Control  
(FSC)  
CAUTION  
A safety interlock switch (PTO switch) will  
cause the engine to stop if the PTO is in  
the engaged position and the operator is  
not in the seat. The function of this switch  
should be checked by the operator  
raising off the seat with the PTO engaged  
(allow 1 to 1-1/2 seconds off the seat for  
the time delay function); the engine  
should stop. If the safety system is not  
working, it should be repaired or replaced  
before operating the mower. DO NOT  
disconnect the safety switches; they are  
for the operator's protection.  
Keep Feet on Footrest  
when Moving  
Correct Operator Hand Position on the Controls  
3. Reverse direction of the mower by pulling both  
levers backward.  
NOTE: Smooth action on the steering levers  
will produce smooth mower operation. Remem-  
ber to keep the engine and ground speed slow  
until learning the control response.  
4. The FSC may be adjusted forward for faster  
ground speed and backward for slower ground  
speed. When mowing, ground speed should be  
adjusted to match the load on the cutter blades,  
i.e., as the engine pulls down in heavy cutting,  
pull back on the FSC lever to reduce ground  
speed. Adjusting ground speed helps maintain  
a balance between engine power and blade  
speed for high-quality cutting action.  
IMPORTANT: DO NOT engage the blade clutch  
when transporting the mower across drives, side-  
walks, loose materials, etc. DO NOT engage the  
blade clutch with the PTO shaft disconnected  
(the mower deck removed from tractor).  
5. Stop ground travel by pulling both steering  
levers backward to the NEUTRAL-PARK posi-  
tion (tractor not moving) and then moving the  
FSC lever to the NEUTRAL-PARK position.  
NOTE: If the tractor creeps forward or back-  
ward with the FSC lever in the NEUTRAL-PARK  
position, the transmission control needs to be  
adjusted. Contact your Walker Dealer.  
Blade Clutch Engaged  
28  
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Operating Instructions  
4. Turn the ignition switch OFF.  
WARNING  
Remove the key from the ignition switch  
when leaving the mower unattended. This  
will prevent children and inexperienced  
operators from starting the engine.  
5. Engage the parking brake.  
IMPORTANT: The transaxles lock to prevent  
the mower from rolling freely with the engine  
stopped. However, if the mower is parked on a  
slope, it is necessary to ENGAGE the parking  
BRAKE to prevent the mower from creeping.  
This is due to a small amount of slippage in the  
transaxles, especially when transmission fluid  
is warm.  
Blade Clutch Disengaged  
CAUTION  
If the cutting blades strike a stationary  
object while mowing, stop the mower im-  
mediately, disconnect the spark plug  
wires, lift the deck, and inspect the deck  
and blades thoroughly for damage. Also,  
make sure the blade retaining bolts are  
torqued to 64 ft-lb (86.8 N·m).  
FUEL SELECTOR VALVE  
The tractor is equipped with dual fuel tanks. A fuel  
selector valve regulates which tank is being utilized.  
The valve is located on the right hand side of the  
engine. The valve switches between the LH and RH  
gas tanks. DO NOT run tank dry before switching  
tanks.  
STOPPING THE MACHINE  
1. Slow the engine to idle; put the throttle in the  
IDLE position.  
2. Pull the steering levers to the NEUTRAL-PARK  
position and then move the FSC lever backward  
to the NEUTRAL-PARK position.  
3. Disengage the blade clutch.  
IMPORTANT: DO NOT disengage the blade  
clutchwithhighenginespeed(above1/2throttle)  
since the brake action on the blade drive will  
cause premature wear of the Engine/PTO Belt  
and internal braking mechanism (or system).  
Fuel Selector Valve  
WARNING  
A brake stops the cutter blades from free-  
wheeling within five (5) seconds after dis-  
engaging the clutch. If the brake system  
malfunctions and the blades do not stop  
within five (5) seconds, the brake should  
be repaired or replaced before operating  
the mower. Contact your Walker Dealer.  
29  
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Operating Instructions  
ADJUSTING CUTTING HEIGHT  
Transport Position  
1. Disengage the PTO.  
WARNING  
2. Push down on height peddle until it latches in the  
full up position.  
Never adjust cutting height while the  
mower is moving.  
Before adjusting  
cutting height or servicing, move the  
Forward Speed Control (FSC) into the  
NEUTRAL-PARK position, engage the  
parking brake, and disengage the blade  
clutch (PTO). Tractor should not be  
moving while adjusting cutting height.  
Height  
Adjustment Lever  
Hitch Pin  
Height Peddle  
Cutting height is adjusted from operators seat using  
the height peddle to assist in raising the deck while  
positioning the height adjustment lever and hitch  
pin.  
1. Disengage PTO and stop tractor.  
2. Push down on height peddle until it latches in the  
full up position.  
Cutting Height Adjustment Components  
3. Select desired height by moving the hitch pin to  
the desired height.  
4. Push down on the height peddle and lift up on  
the height adjustment lever. Slowly release the  
height peddle while lifting the lever until there is  
no pressure on the peddle.  
Cutting Height Adjustment  
30  
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Operating Instructions  
TRANSAXLE LOCKOUTS  
RECOMMENDATIONS FOR MOWING  
IMPORTANT: DO NOT TOW this mower with the  
transmission lockout engaged. Towing can produce  
excessive internal pressure and damage the  
transaxle(s).  
IMPORTANT: Operate the engine at full speed  
when mowing, to allow the engine to produce full  
horsepower and to increase efficiency of the engine  
cooling system.  
To move the mower with the engine NOT running  
(dead battery, maintenance, etc.), the transaxles are  
unlocked (released).  
Keep the mower deck clean.  
Mow with sharp blades. A dull blade tears the  
grass (resulting in poor lawn appearance) and uses  
extra power (slowing the mowing speed).  
1. Raise the body.  
2. Pull up the transaxle lockout rods on both the  
RH and LH transaxles and secure into place by  
shouldering both rods in the chassis notch area.  
It is preferable to cut grass when it is dry and not  
too tall. Mow frequently and do not cut grass too  
short. (For best appearance, cut off 1/3 or less of  
existing grass height.)  
3. The mower will “freewheel” with the rods in the  
LOCKOUT position. The levers must be in the  
highest position to completely unlock the  
transmissions.  
When mowing, operate the engine at or near full  
throttle for the best cutting action. Mowing with a  
lower engine RPM causes the mowing blade to not  
cut clean and tear the grass. The engine is  
designed to be operated at full speed.  
When mowing in adverse conditions (tall and/or  
wet grass), mow the grass twice. Raise the mower  
to the highest setting - 5 in. (127 mm) - for the first  
pass and then make a second pass cutting to the  
desired height.  
Hydro Lockout Rod  
Use a slow setting on the FSC for trimming  
operations.  
Hydro Lockout Rod - Freewheel Position  
4. After moving the mower, release the rods, plac-  
ing them in the normal OPERATING position.  
The transmission rod ends should be com-  
pletely retracted against the chassis, otherwise  
operation of the transmission maybe erratic.  
Hydro Lockout Rod  
Hydro Lockout Rod - Normal Operating Position  
31  
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Operating Instructions  
Make sure the mower is leveled properly for a  
smooth cut. Refer to Deck Leveling in Assembly  
Instructions.  
Maximum Recommended  
Side Slope - Do Not Operate  
on Steep Slopes  
Use an alternating stripe mowing pattern for  
best appearance and vary the direction of the stripe  
each time the grass is mowed to avoid wear patterns  
in the grass.  
Avoid damage to the grass by slipping and skid-  
ding of the drive tires. Use smooth control move-  
ments of the steering levers since the transaxles are  
“power boosted controls” and jerking the levers can  
easily slip the tires. For sharp turns, do not allow the  
inside wheel to stop and twist on grass; pull inside  
steering lever into reverse for a smooth “rolling” turn  
(one wheel rolling forward while the other rolls back-  
ward).  
22 in.  
20°  
The side discharge shield must not be removed  
and must be kept in the lowest possible position to  
deflect grass clippings and thrown objects down-  
ward. Orient the side discharge away from side-  
walks or streets to minimize cleanup of clippings.  
When mowing close to obstacles, orient the side dis-  
charge away from obstacles to reduce the chance of  
damage to property by thrown objects.  
60 in.  
Maximum Recommended Side Slope  
RECOMMENDATIONS FOR TILT-UP DECK  
OPERATION/TRANSPORT  
To avoid potential deck and/or tractor damage while  
using the tilt-up deck, the following recommenda-  
tions are offered:  
Discharge  
Shield  
Do not move the tractor with the deck in the tilt-  
up position since both the roller wheels (on the back  
of the deck) may be damaged by moving the tractor.  
The tilt-up configuration should only be used when  
the tractor is parked.  
The tractor body should never be tilted for-  
ward with the deck in the tilt-up position. This can  
cause the deck to unhook from the tractor and fall  
with considerable force, potentially causing deck or  
tractor damage and/or bodily injury.  
Side Discharge Shield in Lowest Position  
When transporting a tractor with the deck in the  
tilt-up position (on a truck or trailer), the deck  
should be secured to the vehicle with a strap or  
rope (stop vertical movement). This will prevent the  
deck from bouncing on the rear roller wheels (caus-  
ing breakage). This will also prevent the deck from  
unhooking from the tractor and falling, potentially  
causing deck or tractor damage. Damage to other  
items parked in front of the deck may also occur.  
When operating on a slope, reduce speed and  
use caution to start, stop, and maneuver. Avoid  
sharp turns or sudden changes in direction. The  
maximum recommended side slope operating  
angle is 20 degrees or 33% grade.  
32  
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CAUTION  
Maintenance Instructions  
Maintenance procedures requiring special training or  
tools should be performed by a trained technician.  
MAINTENANCE SCHEDULE CHART - RECOMMENDED SERVICE INTERVALS - MODEL MBSSD  
25  
100  
200  
400  
Every  
Ref.  
Service Item  
Daily  
Hours Hours Hours Hours Yearly 2 Years Page  
Check Engine Crankcase Oil Level  
x
35  
Check/Clean Engine  
Air Cooling System*  
x
43  
Check Air Filter Restriction Gauge  
Clean Grass Buildup Under Deck  
Service Mower Blades  
x
x
x
41  
44  
47  
Check Security of Air Filtration  
Components  
x
47  
Lubricate Grease Fittings and  
Oil Points*  
x
37  
Check Transaxle Fluid  
Check Tire Pressure  
x
x
37  
47  
Check Drive Belts  
(Engine/PTO, Ground Drive)  
x
49  
Change Engine Crankcase Oil**  
Check Air Filter Element ***  
Clean Engine Cooling Fins  
xΔ  
x
35  
42  
43  
x
Check Security of Drive Tire  
Mounting Nuts (75-85 ft-lbs.)  
x
x
20  
Clean Transaxle Cooling Fins  
Change Engine Oil Filter  
46  
35  
49  
40  
49  
x
x
Check/Regap Spark Plugs  
Change Transaxle Oil and Filter  
Check Fuel Lines and Clamps  
xΔΔ  
x
x
Replace Air Filter Element  
and Dust Ejection Valve ***  
42  
Service Battery  
x
x
47  
52  
49  
Replace Fuel Filter  
x
Replace Fuel Lines and Clamps  
More often in extremely dusty or dirty conditions  
(Refer to notes about air cleaner element under  
IMPORTANT TIPS FOR CARE OF  
KOHLER ENGINE)  
CAUTION  
∗∗ Change engine oil and filter after first 8 hours  
When performing maintenance with the  
mower body raised, a safety prop should  
be installed from back of body to chassis  
frame (fail-safe protection in case of fail-  
ure of body lift support).  
of operation of a new engine (break-in period)  
∗∗∗ Air cleaner is remote mounted Cummins/Fleetguard  
OptiAir™ unit, replace filter every year  
Δ
Change oil every 50 hours when operating  
in dry, dirty conditions  
ΔΔ Initial oil and filter change at 75-100 hours  
33  
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Maintenance Instructions  
KOHLER TIPS  
IMPORTANT TIPS FOR CARE OF THE KOHLER  
ENGINE  
Air Cleaner System  
Use only Cummins/Fleetguard air cleaner  
elements. Aftermarket elements may not seal in the  
air cleaner housing, allowing dirt to enter the engine.  
Also, aftermarket filters often skimp on the filtration  
media and require more frequent replacement (see  
following instructions).  
Fuel System  
Fuel must be clean - free from water, dirt, and or-  
ganic material.  
Change fuel filter on a regular basis and when  
contamination is suspected or found in the fuel.  
Use the air flow restriction gauge to indicate the  
need to service the air filter.  
Starting/Stopping  
DO NOT overservice or frequently “disturb” the  
air filter. A dirty air filter actually cleans better than  
a new one. Changing the air filter too often can ac-  
tually reduce filter efficiency and increase the oppor-  
tunity for traces of dust to enter the engine. Wait  
until the element really needs servicing as indicated  
by the air flow restriction gauge.  
Start engine with the throttle advanced off idle  
(1/4 to 1/2 throttle). This will aid starting, especially  
in cold weather.  
Keep the battery fully charged.  
Match crankcase oil viscosity to the ambient tem-  
perature, allowing the engine to crank faster and  
start easier.  
When the air filter element is removed or re-  
placed, make sure all dust is cleaned out of the air  
cleaner housing and hose. Use a damp cloth and  
wipe the interior of the canister and hose clean (a lit-  
tle dirt left here will be sucked into the engine and  
reduce engine life). When the filter is reinstalled,  
make sure the element is held tight and straight in  
the canister for proper seating and sealing.  
Position the throttle control between half and full  
throttle, then stop the engine.  
Cooling System  
Keep engine air intake screen and cylinder head  
fins free of grass clippings, chaff, and dirt. Inspect  
intake screen and cooling fins for cleanliness and no  
damage.  
Periodically check the air intake hose for cuts,  
nicks, etc., and the hose clamps for tightness.  
Oil  
Periodically remove two access panels in the en-  
gine shroud to inspect and clean cylinder head cool-  
ing fins.  
Use only multi-viscosity oils as specified with the  
viscosity matching ambient temperatures for the en-  
gine operating conditions. This will aid starting in  
cold weather and assure proper lubrication in hot  
weather.  
Check performance of the cooling system by  
starting the engine, holding a hand adjacent to the  
cylinder head, and feeling the cooling airflow.  
Use only Kohler oil filters. Aftermarket filters  
may not seal properly and/or have the incorrect  
pressure relief valve for proper lubrication.  
DANGER  
Make sure to keep hands clear of exhaust  
pipe, muffler, and moving parts when  
checking airflow.  
Operate the engine at full speed when mowing.  
This allows the engine to produce full horsepower  
and move more cooling air through the engine cool-  
ing fins.  
34  
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Maintenance Instructions  
LUBRICATION  
LUBRICATION  
IMPORTANT: DO NOT operate engine without  
sufficient oil supply in the crankcase. DO NOT  
operate with oil level below the LOW mark or  
above the FULL mark on the dipstick.  
WARNING  
DO NOT attempt to lubricate the machine  
with the engine running. Disengage the  
PTO clutch, shut off the machine, and re-  
move the ignition key.  
Proper lubrication is an important maintenance pro-  
cedure. It reduces wear and makes the machine  
quieter and easier to operate.  
Engine Oil  
Engine Break-In Oil  
No special break-in oil is required. The engine is  
serviced with 10W-30, Service Class SG oil from the  
factory. The oil should be changed after the initial  
engine break-in period of 5-8 hours. Thereafter,  
change oil after every 100 hours of operation.  
Full Mark  
Checking Engine Crankcase Oil Level  
Low Mark  
Check the engine crankcase oil level before use and  
after each 8 hours of continuous operation.  
Dipstick Operating Range  
IMPORTANT: The importance of checking and  
maintaining the proper crankcase oil level cannot be  
overemphasized. Check the oil level BEFORE  
EACH USE.  
5. If additional oil is needed, refer to Specifications  
for proper crankcase lubricant. Fill to the FULL  
mark.  
IMPORTANT: DO NOT overfill crankcase (oil  
above FULL level) as this CAN result in  
engine overheating, loss of power, and possi-  
ble engine damage.  
1. Park the mower on a level surface with the  
engine stopped. Also, make sure the engine is  
cool and oil has had time to drain into the sump  
[allow at least five (5) minutes after stopping  
the engine].  
Changing Engine Crankcase Oil/Oil Filter  
IMPORTANT: NEVER check or add oil with the  
engine running.  
Change the engine crankcase oil after every 100  
hours of operation and the oil filter after every 200  
hours of operation as follows:  
2. Before removing the dipstick, clean the area  
around the dipstick to keep any dirt or debris out  
of the engine.  
1. Park the mower on a level surface with the  
engine stopped. The engine oil should be  
warm before draining. If not warm from opera-  
tion, start the engine and run a few minutes to  
warm the oil.  
3. Remove the dipstick, wipe off with a clean rag,  
then reinsert the dipstick into the tube and  
tighten.  
2. Before removing the dipstick, clean the area  
around it to keep any dirt or debris out of the  
engine.  
4. Remove the dipstick again and check the oil  
level on the dipstick. The oil level should be  
within the “Operating Range” on the dipstick  
(between the LOW mark and the FULL mark).  
35  
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Maintenance Instructions  
LUBRICATION  
3. Remove the dipstick and oil drain plug, and drain  
oil into a suitable container. Be sure to allow  
ample time for complete drainage.  
7. Install the new oil filter on the engine. Turn the  
oil filter clockwise until the rubber gasket con-  
tacts the sealing surface, then tighten the filter  
an additional 1/2 to 3/4 turn.  
4. Before removing the oil filter, clean the area  
around the filter to keep dirt and debris out of the  
engine.  
8. Reinstall the drain plug.  
9. Fill the crankcase with new, clean oil. Use only  
crankcase lubricants recommended by the  
engine manufacturer. Refer to Specifications in  
this manual or the engine owner’s manual. Use  
the recommended oil viscosity for the expected  
ambient temperature. Oil with the correct  
viscosity will aid starting in cold weather and  
assure proper lubrication in hot weather. Fill to  
FULL mark on the dipstick; crankcase capacity  
is 1.9 quarts (1.8 liters) when changing oil and  
filter.  
5. Remove the old oil filter and wipe off the filter  
mounting surface on the engine.  
Oil Fill/  
Dipstick  
IMPORTANT: Check the dipstick reading be-  
fore pouring in the last 1/2 pint of oil and fill only  
to the FULL mark. The oil level should never be  
over the FULL mark on the dipstick; overfilling  
can result in engine overheating and loss of  
power.  
Dipstick and Oil Fill  
(view from above left side of tractor)  
10. Start the engine and check for oil leaks around  
the oil filter. Stop the engine, recheck the oil lev-  
el, and add oil if necessary. (When the engine  
is first operated with a new oil filter, the oil level  
will drop slightly as the filter is filled with oil.)  
Oil Drain  
Oil Filter  
Oil Drain and Oil Filter Locations  
(view from above right side of tractor)  
6. Apply a thin coating of new oil to the rubber gas-  
ket on the replacement oil filter.  
IMPORTANT: Use ONLY oil filters from the  
engine manufacturer. Aftermarket oil filters may  
not seal properly and/or may not have the cor-  
rect pressure relief valve for proper lubrication.  
36  
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Maintenance Instructions  
LUBRICATION  
Mower Deck Spindle Lubrication  
Grease Fitting and Oil Point Lubrication  
These spindles are permanently sealed and require  
no lubrication.  
Lubricate the grease fittings and oil points after  
every 25 hours of operation. Lubricate more often  
when operating in dusty or dirty conditions. Use  
SAE general purpose lithium or molybdenum base  
grease for grease fittings and light machine oil (SAE  
10) to lubricate oil points. Lubricate the locations  
shown in the Chassis and Deck Lubrication  
Points illustration.  
DSD60 Mower Deck Lubrication  
Lubricate the U-Joint in the drive shaft every 8 hours  
with SAE general purpose lithium or molybdenum  
base grease.  
Transaxle Lubrication  
NOTE: PTO universal joints (on the deck and trac-  
tor) require routine lubrication after every 8 hours of  
running time.  
The transaxle oil lubrication is SAE 20W-50 (API  
Service Class SL or higher) engine oil.  
NOTE: The best way to lubricate the PTO tube half  
of the universal joint assembly is to remove it from  
the tractor. See instructions for removing and install-  
ing PTO quick coupler, refer to Deck Installation in  
Mower Deck Installation on Tractor in the Assem-  
bly Instructions.  
Inspect both transaxle cases and hoses after  
every 100 hours of operation for visible leaks.  
The fluid levels for each transaxle can be  
checked visually by looking at the fluid levels in each  
expansion reservoir. When the transaxles are cold,  
the fluid level in the expansion reservoirs should be  
between 1/4 and 1/2 in. (0.64 cm and 1.27 cm).  
Reservoir Cap  
Hot Level  
Cold Level  
Hose  
Expansion Reservoir Location  
37  
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Maintenance Instructions  
LUBRICATION  
Ident  
No.  
Lubrication  
Type  
No.  
Places  
Ident  
No.  
Lubrication  
No.  
Places  
Location  
Location  
Type  
1
2
3
4
5
6
7
8
9
Deck Caster Wheel Fork Pivot  
Deck Caster Wheel Bearing  
Deck Belt Tensioner Pivot  
Front Deck Lift Pivot  
Grease  
Grease  
Grease  
Grease  
Grease  
Grease  
Grease  
Grease  
Oil  
2
16  
17  
18  
19  
20  
21  
22  
23  
24  
25  
26  
27  
PTO Clutch Lever Pivot  
PTO Belt Tightener Pivot  
Throttle Control Cable Ends  
Choke Control Cable Ends  
Tail Wheel Caster Fork Pivot  
Rear Wheel Pivot  
Rear Wheel Bearing  
Engine / Oil Filler  
Parking Brake Pivot  
Choke Control Pivot  
Grease  
Grease  
Oil  
1
1
2
2
2
1
2
1
1
1
1
1
2
1
2
2
2
2
2
2
1
Oil  
Rear Deck Lift Pivot  
Grease  
Grease  
Grease  
Oil**  
Grease  
Oil  
Pivot Assembly, Tilt-Up Deck  
Deck Support Arm Socket  
Steering Lever Pivot  
Transaxle Oil Reservoir  
Deck-to-PTO Coupling  
(Grease Slide Area)  
Deck Support Arm Pivot  
Universal Joint Tube Assembly Grease*  
FSC Lever Pivot  
Hydro Idler Arm Pivot  
Body Latch  
10  
Grease  
Throttle Control Pivot  
Universal Joint Shaft Assembly Grease*  
Oil  
11  
12  
13  
14  
15  
Grease  
2
1
1
1
2
Grease  
Grease  
Oil  
*
Grease every eight (8) hours.  
** Refer to Engine Oil located on page 35.  
38  
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Maintenance Instructions  
LUBRICATION  
1
1
2
2
4
3
4
5
5
6
6
7
7
8
27  
9
9
10  
11  
12  
8
18 & 26  
11  
19 & 25  
24  
15  
14  
15  
13  
23  
16  
20  
18  
19  
17  
20  
21  
22  
Chassis and Deck Lubrication Points  
39  
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Maintenance Instructions  
LUBRICATION  
Transaxle Oil and Filter Change  
8. Fill both reservoirs to 1/4-1/2 in. (6-13 mm) with  
20W-50 (API Service Class SL or higher) oil.  
Change the transaxle oil after the initial break-in  
period of 75-100 hours. Thereafter, change oil  
every 400 hours of operation as follows:  
9. Start and drive the unit for 1- 2 minutes.  
10. If the transaxles sound noisy or have poor steer-  
ing response, recheck oil level in both  
transaxles by removing the elbows (check oil  
level at fill opening).  
1. Thoroughly clean the exterior of the transmis-  
sion housing before servicing. Using a 1/4 in.  
hex wrench, remove the plug on the lower inside  
of each transaxle allowing the oil to drain.  
11. If oil needs to be added refer back to steps 4-10.  
2. Remove and replace the oil filters using a 3/8 in.  
hex wrench. (Refer to Transaxle Oil Drain  
Plug, Filter, and Guard Location illustration.)  
Oil Filter  
Oil Filter  
Guard  
Oil Drain  
Plug  
Transaxle Oil Drain Plug, Filter, and  
Guard Location  
(Shown with Deck Support Arms  
Removed for Clarity)  
3. Reinstall drain plugs.  
4. Remove the oil reservoir hose attached to the  
elbow on top of the transaxles and remove the  
elbows to access the oil fill openings.  
5. Fill the transaxles with 20W-50 (API Service  
Class SL or higher) oil through the opening  
where the elbows were. Fill up to the opening.  
6. Before reinstalling the elbows, screw the locking  
nut on the elbows down until they are snug (the  
o-ring on the elbow will be to the bottom of the  
o-ring groove).  
7. Reinstall the elbows. When the elbow begins to  
be snug, position the elbow as it was when  
removed and tighten the locknut.  
40  
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Maintenance Instructions  
CLEANING  
CLEANING  
Canister  
Cover  
Engine Air Cleaner System  
Cummins/Fleetguard OptiAir™ Air Cleaner  
A remote mounted Cummins/Fleetguard OptiAir™  
air cleaner provides the air filtering function. The  
paper filter element slides over an outlet tube inside  
the air cleaner canister with radial sealing action,  
eliminating the possibility of dust leaks due to  
improper filter installation. Intake design, internal  
baffling, and a dust ejection valve provide dust  
separation and automatic precleaning action. Daily  
or frequent servicing of the air cleaner is not  
required. Use the air restriction gauge on the air  
cleaner outlet to indicate when the air filter needs  
servicing -- a red flag will appear when the filter is  
overly restricting airflow into the engine.  
OptiAir™  
Filter Element  
Dust Ejection  
Valve  
Air Cleaner Components  
(shown with cover being removed)  
IMPORTANT: The Cummins/Fleetguard air cleaner  
uses a dry paper-type air filter element. NEVER  
apply oil to the paper element.  
IMPORTANT: Use only Cummins/Fleetguard air  
filter elements for replacement (Walker 2090-1 or  
2090-3). Aftermarket filters may not seal properly or  
filter efficiently.  
Flex  
Hose  
Hose  
Clamp  
Hose  
Clamp  
Cummins/Fleetguard  
Air Cleaner  
Engine  
Air Restriction  
Gauge  
Safety  
Filter  
Cummins/Fleetguard  
Air Cleaner Cover  
Air Cleaner  
Band  
Air Cleaner  
Cartridge  
Dust Ejection  
Valve  
Engine Air Cleaner System Components  
41  
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Maintenance Instructions  
CLEANING  
5. Without removing, visually inspect the condition  
Air Restriction  
Gauge  
of the safety filter for damage or holes. The  
safety filter should only be removed for yearly  
replacement (or when dirty or damaged).  
6. Check the condition and resilience of the radial  
sealing surface (inside of the open end) of the  
filter. Replace the filter if any cracks, tears, or  
other damage to the sealing surface are noted.  
7. Use a clean, damp cloth and wipe the interior of  
the air cleaner canister clean. Use special care  
to clean both the inside and outside surfaces  
of the outlet tube.  
Push Button to Reset  
Indicator After Service  
Air Restriction Gauge Location  
IMPORTANT: Any dust left on the inside of the  
Inspect the paper element after every 100 hours of  
service and replace the element and safety filter  
yearly (or when dirty or damaged). More frequent  
replacement may be required when operating in  
extremely dusty conditions as indicated by the air  
restriction gauge. Service the air cleaner as follows:  
outlettubewillgointotheengineandcausewear.  
8. Check the outside surface of the outlet tube for  
smoothness and cleanness (this is the sealing  
surface).  
9. Insert and seat the safety filter and OptiAir™ el-  
ement carefully into the canister, applying pres-  
sure at the outer rim of the filter; not at the  
flexible center. Make sure the filter element is  
completely in place before installing the cover.  
1. Lift Mono Latch Twist Lock™ and twist the  
OptiAir™ cover to the left into the "open"  
position to remove the air cleaner cover. Wash  
the cover and dust ejection valve. Check that  
these components are in good condition. The  
dust ejection valve is subject to wear and  
deterioration and should be replaced yearly or  
when damaged. The lips of the valve should  
close and fit together; any cracks, deformation,  
or wear in the valve is cause for replacement.  
NOTE: DO NOT use petroleum based lubri-  
cants on the sealing surfaces of the filter; use tal-  
cum powder or dry silicone lubricants if required  
for filter installation.  
OptiAir™  
Filter Element  
2. Remove the filter element by pulling it out of the  
canister. There will be some initial resistance as  
the filter seal breaks loose and slides off of the  
outlet tube. Gently move the end of the filter up  
and down and side to side or twist to loosen the  
seal. Use gentle action to minimize the amount  
of dust dislodged as the filter is removed.  
Canister  
Safety Filter  
3. Replace the filter element.  
Radial Sealing  
Surface  
NOTE: Washing the element in water or clean-  
ing solution is not recommended. Do not try to  
clean the element with compressed air.  
Air Filter Element Replacement  
4. Use a bright light inside the element to inspect  
for damage. Check the element very carefully  
for pin holes or other damage that will allow  
dirt to leak through the paper media. Replace  
element if necessary.  
42  
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Maintenance Instructions  
CLEANING  
10. Install the cover with the word “DOWN” properly  
oriented to the bottom of the canister. Twist the  
OptiAir™ cover to the right and put into the  
"closed" position.  
Mono Latch  
Twist Lock™  
2
3
Rotating Engine Screen  
Keep Engine Screen Clean  
DOWN  
Cylinder Head Cooling Fins  
It is essential for performance and longevity of the  
air-cooled engine to keep the cylinder head cooling  
fins clean and free of obstruction. After every 8  
hours of operation, check the performance of the  
cooling system by starting the engine, holding a  
hand adjacent to the cylinder head, and feeling the  
cooling airflow. If there is little or no airflow, clean the  
cooling fins as described on the next page.  
Orient to Bottom  
of Canister  
Dust Ejection  
Valve  
Proper Orientation of Air Cleaner Cover  
11. Check the air intake hose for cuts, nicks, cracks,  
etc., and the hose clamps for tightness.  
DANGER  
12. Reset the air restriction indicator (press button  
on the end of indicator).  
Make sure to keep hands clear of exhaust  
pipe, muffler, and moving parts when  
checking airflow.  
Engine Cooling System  
Air Intake System  
Check Airflow  
with Hand  
To prevent engine overheating and possible engine  
damage, clean grass clippings, chaff, and dirt from  
the rotating engine air intake screen after every 8  
hours of operation. In certain mowing conditions  
(dry grass, leaves, tree “cotton”, etc.), it may be nec-  
essary to check and clean the screen several times  
each day to prevent engine overheating.  
CAUTION  
Operating the engine with a blocked air  
intake screen, dirty or plugged cooling  
fins, and/or cooling shrouds removed will  
cause engine damage from overheating.  
Cooling System Airflow  
43  
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Maintenance Instructions  
CLEANING  
Every 100 hours, inspect and clean the cooling fins  
(more often when operating in extremely dusty, dirty  
conditions). Remove the two (2) cooling fin access  
panels in the engine shroud and clean the cooling  
fins and external surfaces using compressed air.  
Make sure to reinstall the access panels before oper-  
ating the engine.  
Grass Buildup in Mower Housing  
DANGER  
Before raising or removing the mower  
deck for cleaning, stop the engine, remove  
the ignition key, and disconnect the spark  
plug wires.  
Engine Cooling  
Fin Access Panels  
1. Release hood latch assembly (2) and remove  
footrest.  
2. Rotate locking arms upward on each side of the  
carrier frame to release carrier frame for tilting  
action.  
Kohler Engine  
Shroud  
Engine Air  
Intake Screen  
Engine Air Intake Screen  
and Cooling Fin Access Panels  
Locking Arm Rotation  
3. Install tilt bar into front of deck.  
Tilt Bar Installed  
44  
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Maintenance Instructions  
CLEANING  
4. Using the tilt bar, raise deck to the TILT-UP posi-  
tion and insert the deck hook into the tilt-up latch  
on the tractor body.  
8. Reinstall footrest by inserting locking fingers  
under deck plate and reattaching hood latch  
assembly.  
Footrest  
Locking  
Finger  
Tilt-Up Latch  
Deck Plate  
Hood Latch  
Assembly  
Tilt-Up Hook  
on Deck  
Footrest Installation  
CAUTION  
Do not operate machine with deck locking  
arms disengaged.  
Deck Secured in Tilt-Up Position  
5. Clean grass buildup underneath the deck using  
a pressure washer (and scraper if required).  
NOTE: If the buildup is severe, it may be easier  
tocleanthe deck by removing thedeckassembly  
from the tractor and standing the desk assembly  
on its “nose”.  
NOTE: While some degree of material buildup  
in the mower deck housing can be tolerated, a  
point is finally reached where cutting quality  
deteriorates and clogging begins to occur  
because of too much buildup on the baffling and  
housing.  
DANGER  
Do not operate the mower with deck in tilt-  
up position. Do not move the tractor with  
the deck in the tilt-up position.  
6. Lower the deck to the normal operating position  
and rotate locking arms downward.  
7. Remove tilt bar and store on carrier frame.  
45  
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Maintenance Instructions  
CLEANING  
Transaxle Cooling Fins  
IMPORTANT: In case an oil leak develops on the  
input shaft, the cooling fan blowing dusty air and oil  
on the transmission will quickly pack the cooling fins  
with oily dirt. If this condition occurs, contact your  
dealer immediately to avoid overheating and dam-  
aging the transaxle.  
Keeping the cooling fins on the transaxles clean and  
free of obstruction is essential to avoid  
overheating the transmission fluid and shortening  
transmission life. The cooling fins should be  
checked every 100 hours; and cleaned if  
necessary.  
An additional procedure in maintaining transaxle  
cooling is to inspect the cooling fans. Replace the  
fan(s) if blades are missing or damaged.  
To clean the fins, use compressed air and/or a pres-  
sure washer. The cooling fins extend all the way  
around the housing -- the fins underneath need to be  
clean as well as the more visible fins above. Also,  
pay close attention to the area under the drive pulley.  
Cooling  
Fans  
Transaxle Cooling Fans  
46  
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Maintenance Instructions  
CHECKING/SERVICING  
CHECKING/SERVICING  
Charging the Battery  
DANGER  
DANGER  
BATTERIES PRODUCE EXPLOSIVE  
GASES  
To prevent accidental starting of the en-  
gine when servicing or adjusting the ma-  
chine, remove the key from the ignition  
switch and disconnect the spark plug  
wires.  
Charge the battery in a well-ventilated  
area, so that gases produced while charg-  
ing can dissipate.  
Security of Air Filtration Components  
Keep sparks, flames, and smoking ma-  
terials away from the battery at all times.  
NOTE: The following inspection is only an external  
inspection and should be done without “disturb-  
ing” the filtration components.  
Makesurethebatterycap ventsareopen  
(check manifold vent on each cap).  
On a daily basis, visually inspect the external condi-  
tion of the complete air cleaner system. The  
following items should be inspected:  
Make sure the battery charger is un-  
plugged before connecting or discon-  
necting cables to the battery.  
1. Check the Cummins/Fleetguard OptiAir™ air  
cleaner canister for damage. Make sure the  
cover is in place and the cover latch is secure -  
do not run the engine without the air cleaner  
cover in place and secure.  
Check the battery charge by measuring the specific  
gravity of electrolyte; if specific gravity is less than  
1.225, the battery will need to be charged as follows:  
Charge the battery at 15 amps for 10 minutes.  
DO NOT exceed 20 amps maximum recommended  
charging rate. Charge until specific gravity is at  
least 1.250. Total charging time should not exceed  
one (1) hour.  
2. Inspect the air intake hose for cracks, nicks,  
cuts, etc., and check the hose clamps for  
tightness.  
3. Check to make sure the air flow indicator is in  
place and tight.  
Tire Pressure  
Battery  
Inflate tires to pressures shown below:  
Deck Caster Wheel = 20 PSI (137 kPa)  
NOTE: For initial battery service during setup, refer  
to Battery Service in Assembly Instructions.  
Drive  
Rear  
=
=
15 PSI (103 kPa)  
20 PSI (137 kPa)  
IMPORTANT: Make sure battery is securely  
mounted in the frame. A loose battery may cause  
damage to the case resulting in acid leakage and  
severe damage to the machine. A hazard may be  
created by damage to critical working parts and  
safety systems.  
Wheel Nuts Torque  
Check every 100 hours the eight (8) Drive Tire  
mounting nuts. They should each be torqued to  
75-85 ft-lbs. (101.7-115.2 N·m).  
Cleaning the Terminals  
Sharpen Mower Blades  
If battery terminals are corroded, remove battery  
from the mower. Using a wire brush, remove corro-  
sion with a solution of one part baking soda and  
four parts water. Rinse with clean water. Coat the  
terminals with petroleum jelly or terminal protector  
spray to retard further corrosion.  
Check mower blade(s) for straightness, sharp-  
ness, condition of the cutting edge, and balance  
every 10 hours of operation (or more often when  
mowing abrasive type grass or operating on sandy  
soils). Replace blades if worn, bent, cracked, or  
otherwise damaged (refer to REPLACING/  
REPAIRING the Mower Blades in this section).  
Use the following procedure to check and sharpen  
blades:  
47  
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Maintenance Instructions  
CHECKING/SERVICING  
NOTE: Keep blades sharp - cutting with dull  
blades not only yields a poor mowing job but slows  
the cutting speed of the mower and causes extra  
wear on the engine and blade drive by pulling hard.  
CAUTION  
ALWAYS wear eye protection and gloves  
when sharpening a blade.  
1. Stop the engine, remove ignition key, and dis-  
connect the spark plug wires before raising the  
mower deck to service blades.  
6. Check blade balance by positioning the blade  
horizontally on a blade balancer or use a nail or  
shaft through the center hole. If either end of the  
blade rotates downward, grind (remove) metal  
on that end until the blade will balance. The  
blade is properly balanced when neither end  
drops. Balance of a blade is generally main-  
tained by removing an equal amount of material  
from each end of the blade when sharpening.  
2. Raise the deck and secure it in the tilt-up posi-  
tion (refer to Deck Secured in Tilt-Up Position  
photo in CLEANING of Grass Buildup in  
Mower Housing in this section).  
DANGER  
NEVER operate cutter blades with the  
deck in the raised position.  
Intersection  
Sharpen at Original  
Wear Area  
30° Angle  
NOTE: PTO shaft must be disconnected  
before checking blades for straightness.  
30°  
Wing Tip  
3. Check the blades for straightness by marking  
the blade tip position inside the deck housing,  
and then rotating the opposite end of the blade  
to the same position and comparing. If the dif-  
ference in blade tip track is more than 1/8 in.  
(3 mm), the blade is bent and should be re-  
placed.  
Do Not Grind or  
Sharpen on Underside  
Mower Blade Profile For Sharpening  
WARNING  
DO NOT try to straighten a blade that is  
bent. NEVER weld a broken or cracked  
blade. ALWAYS replace with a new blade  
to assure safety.  
Blade Balancer  
4. If the blade cutting edge is dull or nicked, it  
should be sharpened. Remove blades for  
sharpening by grasping the end of the blade  
using a rag or a thick, padded glove, while loos-  
ening and removing the bolt and washer that  
mounts the blade.  
Blade Balanced on Magnetic  
Wall-Mounted Balancer  
5. Grind cutting edge at the same bevel as the  
original. Sharpen only the top of the cutting  
edge to maintain sharpness.  
7. Mount the blade with wing tips pointing up into  
the housing. Reinstall the blade, washer, and  
bolt. Tighten the bolt to 64 ft-lb (86.8 N·m).  
NOTE: Blades can be sharpened with an  
electric blade sharpener, conventional electric  
grinder, or a hand file.  
48  
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CHECKING/SERVICING/  
REPLACING/REPAIRING  
Maintenance Instructions  
Drive Belts  
REPLACING/REPAIRING  
Raise the body and inspect the condition of the four  
(4) drive belts after every 25 hours of operation --  
engine/PTO drive and ground drive. If the belts show  
signs of cracking or deteriorating, the belts  
should be replaced. Refer to REPLACING/REPAIR-  
ING the Drive Belts in this section.  
DANGER  
To prevent accidental starting of the  
engine when replacing parts or repairing  
the machine, remove the key from the  
ignition switch and disconnect the spark  
plug wires.  
Spark Plugs  
Every 200 hours, remove the spark plugs, inspect,  
clean, and reset the gap (or replace with a new  
plug). Clean spark plug with a wire brush. If the  
electrodes are burned short or pitted, replace the  
plug (refer to Specifications for the proper type of  
replacement plug). Check the spark plug gap with a  
wire-type feeler gauge and set the gap to 0.030 in.  
IMPORTANT: ALWAYS use genuine factory re-  
placement parts. Substitute parts CAN result in  
product malfunction and possible injury to the oper-  
ator and/or others.  
Drive Belts  
(0.76 mm).  
Reinstall and tighten to 18 ft-lb  
There are four (4) individual belts on the machine:  
Engine/PTO Belt [Matched Set (3)]  
Ground Drive Belt  
(24.4 N·m). Both spark plugs should be replaced yearly.  
Fuel Lines and Clamps  
Every year, inspect the fuel lines from the tanks to  
engine for deterioration or damage. Also, inspect the  
fuel line clamps for tightness. Good preventive  
maintenance calls for complete replacement of fuel  
lines and clamps every two (2) years.  
The belts may be removed and replaced using the  
procedures described on the following pages.  
Ground  
Drive Belt  
Clutch  
(Ref)  
Blade Brake Action  
WARNING  
It is important to check and maintain blade  
brake action for safe operation of the ma-  
chine.  
Check the function of the cutter blade brake by  
engaging the blade clutch (PTO), operating the  
engine at full throttle, then disengaging the clutch  
and measuring how quickly the blades stop. Watch  
the rotation of the blade drive shaft as a visual indi-  
cation that movement has stopped. If the brake is  
working properly, all rotation will stop five (5)  
seconds after disengagement of the clutch. If the  
brake system malfunctions -- blades do not stop in  
five (5) seconds -- repair the brake before operating  
the mower.  
Engine/PTO Belt  
(Matched Set)  
Belt Locations (Engine Hidden for Clarity)  
49  
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Maintenance Instructions  
REPLACING/REPAIRING  
Engine/PTO Belt  
1. To remove the engine/PTO belt:  
a. Loosen and remove idler tension bolt and  
jam nut.  
b. Relax belt by depressing idler arm.  
c. Roll the belts off the pulley and remove the  
belts.  
Idler Tension  
Bolt  
Jam Nut  
Idler Arm  
PTO  
Pulley  
Engine/PTO  
Belts  
Engine/PTO Belt (Disengaged)  
(Engine Hidden for Clarity)  
2. Reverse the removal procedure to replace the  
engine belts.  
1/2 in. deflection  
Idler Arm  
Engine/PTO  
Belts  
PTO  
Pulley  
Engine/PTO Belt (Engaged)  
(Engine Hidden for Clarity)  
50  
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Maintenance Instructions  
REPLACING/REPAIRING  
Ground Drive Belt  
b. Slide belt off pulleys, then release the  
idler.  
1. To remove the ground drive belt:  
a. Raise the spring-loaded idler to relax belt.  
Tension  
Spring  
Ground Drive  
Belt  
RH Transaxle  
LH Transaxle  
Drive Pulley  
Idler Pulley  
Raise Idler Pulley to  
Relax Belt  
Hydro Idler  
Arm  
Ground Drive Belt Assembly (Disengaged)  
2. Reverse the procedure to install the ground  
drive belt.  
Ground Drive  
Belt  
RH Transaxle  
LH Transaxle  
Drive Pulley  
Idler Pulley  
Hydro Idler Arm  
Ground Drive Belt Assembly (Engaged)  
51  
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Maintenance Instructions  
REPLACING/REPAIRING  
Fuel Filter  
Mower Blades  
Model MBSSD is equipped with in-line fuel filters.  
Visually inspect the filter periodically, and replace the  
filter yearly.  
Mower blades are removed and remounted as de-  
scribed in the Sharpen Mower Blades instructions  
(refer to CHECKING/SERVICING to Sharpen Mow-  
er Blades in this section). During the course of  
sharpeningandinspectingmowerblades, ifthereare  
any of the following conditions of wear or dam-  
age,bladesshouldbereplacedforreasonsofsafe-  
ty and performance of the machine:  
In-Line  
Fuel Filter  
An excessive amount of the flat section of the  
blade has been ground away (removed) when the  
blade is sharpened. Replace the blade when less  
than a 3/4 in. (19 mm) flat section remains at the  
blade tip.  
Examineendsofthebladecarefully, especiallythe  
intersection where the flat section of the blade turns  
up to form the “wing tip” (refer to Mower Blade Pro-  
file For Sharpening illustration in Sharpen Mower  
Blades instructions). Since sand and abrasive ma-  
terial can wear metal away in this area, the blade  
should be replaced when metal thickness has  
worn to 1/16 in. (1.6 mm) or less.  
Fuel Filter Location  
IMPORTANT: Replace the fuel filter only in a clean  
area where the fuel line and connections will not be  
contaminated by any dust and dirt.  
DANGER  
DANGER  
Gasoline is extremely flammable and can  
be highly explosive. To minimize danger:  
When blades are operated oversandysoil,  
and if blades are allowed to wear, a “slot”  
may be worn into the wing tip of blade.  
Eventually a piece of the blade may break  
offcreatingaseriouspotentialforinjuryor  
damage.  
Use only an approved fuel container for  
gasoline.  
DO NOT allow open flames or sparks  
near the machine while performing main-  
tenance or refueling; DO NOT smoke  
while working with fuel.  
Check the blades for straightness by marking  
bladetippositioninsidethedeckhousingandthenro-  
tating the opposite end of the blade to the same po-  
sition and comparing. If the difference in blade tip  
track is more than 1/8 in. (3 mm), the blade is bent  
and should be replaced.  
Wipe up spilled gasoline immediately  
and completely.  
1. Expand and slide clamps on either side of the  
filter away from filter and pull fuel lines off filter.  
Inspect the blade surface, especially in formed  
areas, for cracks. Replace the blade if any cracks  
are found.  
2. Replace filter.  
WARNING  
DO NOT try to straighten a blade that is  
bent. NEVER weld a broken or cracked  
blade. ALWAYS replace with a new blade  
to assure safety.  
52  
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REPLACING/REPAIRING/  
ADJUSTMENTS  
Maintenance Instructions  
ReinstallthebladesfollowingprocedurefromSharp-  
en Mower Blades instructions. If blades are re-  
placed, always use Walker original equipment  
blades to ensure safety and optimum performance.  
Thequalityandperformanceofreplacementblades  
offered by other manufacturers cannot be guar-  
anteed, they could be dangerous.  
Levers should sit  
parallel to each other  
CAUTION  
ALWAYS use genuine factory replacement  
parts. Substitute parts CAN result in prod-  
uct malfunction and possible injury to the  
operator.  
ADJUSTMENTS  
Lever Alignment  
Transmission Control  
2. Adjust the position of the RH lever by turning the  
stop bolt in the Speed Control Actuator in or out.  
Turning the stop bolt in will make the RH lever  
move back, and turning it out will make it move  
forward. Tighten the locknut.  
IMPORTANT: The proper adjustment of the tran-  
saxle control stops is essential for efficient operation  
andlifeofthetransaxle. Thesestopsareproperlyad-  
justed at the factory and should only require read-  
justment if the transaxle or related control linkage is  
removed or changed.  
Stop  
Bolt  
NOTE: It would not be unusual for a new machine,  
after initial 5 or 10 hours of operation, to begin to not  
travel straight (this is due to the break-in of the tran-  
saxles).  
Steering Lever Position Adjustment - Step 1  
NOTE: For proper operation, the steering levers  
should be adjusted to sit evenly using the following  
procedure.  
1. Examine the steering levers to make sure they  
are parallel front to back in relation to one an-  
other. If they are not equal, adjust accordingly.  
(The handles may or may not be even at this  
point.)  
Stop Bolt Location  
NOTE: TheLHsteeringleverisnon-adjustable.  
This procedure will require adjustment of the RH  
lever to make it even with the LH lever.  
53  
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Maintenance Instructions  
ADJUSTMENTS  
Steering Handles Adjustment - Step 2  
1. An adjustment range of approximately 3 in.  
(76.2 mm) is available on the steering handles -  
the handles can be adjusted forward or aft  
depending on the arm length of the operator.  
The handles can be adjusted by loosening the  
locknut at the pivot point and the locknut  
holding the handle in position in the adjustment  
FSC  
Rod  
slide.  
Adjust the handles into the most  
5 in.  
(127 mm)  
comfortable position and tighten both locknuts.  
Locknut  
(Position)  
Adjustment  
Slide  
Locknut  
(Pivot Point)  
Steering Adjustment  
Steering Lever Adjustment  
2. The initial adjustment for neutral is to loosen  
the jam nuts on each end of the FSC Rod and  
turn the rod to achieve a measurement of 5 in.  
(127 mm) between the jam nuts. Be sure to  
tighten jam nuts before making the measure-  
ment.  
Neutral Position Adjustment - Step 3  
1. With the Forward Speed Control (FSC) in neu-  
tral, the lever should be straight up. Adjust by  
loosening the jam nuts on the FSC Rod and turn  
the rod to attain the straight up position. Tighten  
the jam nuts.  
Actuator Rod Length Adjustment  
3. Block the tractor up so the drive tires are off the  
ground.  
4. With the FSC in neutral, start the engine. (Op-  
erate first at idle and then normal operating  
speed)andcheck formovement of drivewheels.  
FSC Position  
54  
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Maintenance Instructions  
ADJUSTMENTS  
NOTE: If the engine will not start, check and ad-  
just the neutral safety switch (refer to Neutral  
Switch Adjustment - Step 6).  
Neutral Travel End  
5. With the FSC in the neutral position and the en-  
gine running, the wheels should not move. If a  
drive tire is moving, the Control Rod on that side  
is out of adjustment. Adjust that side to achieve  
neutral. Now both transaxles are in the neutral  
window.  
Neutral Travel End  
(Shown with Parts Removed for Clarity)  
Straight Tracking Adjustment - Step 5  
1. Sit in the seat, start the engine, set throttle at full  
speed, andwiththeFSCintheNEUTRAL-PARK  
position check for movement of either drive  
wheel (if either wheel moves backward or for-  
ward, refer to the Neutral Position Adjustment -  
Step 3 and readjust).  
Control Rods  
Neutral Window  
(Front Body Hidden for Clarity)  
2. Check for straight ground tracking on a level  
surface (with hands off the steering levers). Set  
the FSC at several different speeds and observe  
if themowermovesin astraight line(usecement  
joint or other line on ground for reference).  
6. One at a time adjust the left and right Control  
Rods to find the center of the neutral window.  
Shorten the rods until the drive tire turns forward  
thenlengthenituntilthedrivetireturnsinreverse  
(approximately1turn). Positiontherodshalfway  
between forward and reverse. Tighten the jam  
nuts.  
3. If travel is not straight, shorten the control rod of  
the slow side (adjust in 1/8 turn increments) to  
match the faster side while maintaining the neu-  
tral position. If straight tracking and neutral can  
not be achieved, turn the control rod back to  
where neutral can be achieved.  
7. Lower drive tires onto ground.  
Full Forward Speed Adjustment - Step 4  
1. Move the FSC to the full forward speed position.  
4. Lengthenthecontrolrodofthefasterside(adjust  
in 1/8 turn increments) to match the slower side  
while maintaining the neutral position.  
2. Raise the body. The set screws in the left and  
right Transmission Control Arms should not be  
contacting the locating stud in the transaxle. If  
theyare, backthesetscrewsoutuntiltheydonot  
touch.  
5. If the forward travel is straight throughout the  
speed range, except at maximum speed - place  
the FSC in full forward, turn the set screw in the  
Transmission Control Arm, of the faster side, in  
until it contacts the hydro stud. (Turning the set  
screw in slows the wheel.) Turn the set screw in  
an additional 1/8 turn. Recheck for equal full for-  
ward speed. Adjust this set screw until equal full  
forward speed is achieved. Tighten the jam nut.  
55  
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Maintenance Instructions  
ADJUSTMENTS  
Forward Speed Control Friction Adjustment - Step 7  
Neutral Travel End Adjust  
FSC Position With Levers  
FSC Switch - Neutral Adjustment - Step 6  
1. Place the FSC in the full forward position and  
pull both steering levers back; the FSC lever  
should not move. If the FSC lever moves back  
the friction needs to be increased.  
1. Place the FSC in neutral position. Loosen  
mounting screws and adjust switch up or down  
accordingly.  
2. With the steering levers held back, move the  
FSC lever back from the forward position. With  
a proper amount of friction adjusted, the FSC le-  
ver should move back with a slight amount of re-  
sistance (friction). If the FSC lever movement is  
"stiff", the friction needs to be decreased.  
FSC Switch  
3. The FSC friction is increased or decreased by  
tightening or loosening the friction adjustment  
nut. Loosen or tighten the nut and check the  
control function until the conditions of both steps  
1 and 2 are met.  
PTO Belt Tension  
PTO belt tension can be adjusted by lengthening or  
shortening the position of the adjustment bolt on the  
idler adjuster (above idler pulley). Optimum adjust-  
ment will result in a 1/2 in. (1.27 cm) deflection of  
the belt.  
FSC Switch Location  
Switch Closed  
in Neutral  
FSC Switch  
Actuator Arm  
1/2 in. (1.27 cm)  
deflection  
Deck Support  
Arm (Ref)  
Loosen Screws  
FSC Switch Adjustment  
(Side View Through Chassis)  
PTO Belt Tension Adjustment  
56  
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ADJUSTMENTS/  
ELECTRICAL SYSTEM  
Maintenance Instructions  
PTO Clutch  
NOTE: When making any of the PTO clutch  
adjustments, it is important that the overall length  
from the top of the clutch engagement spring to the  
lower mounting of the clutch actuator link be 5-1/4 in.  
(13.3 cm) when engaged.  
WARNING  
It is important to check and maintain  
blade brake action for safe operation of  
the machine.  
Clutch Rod  
The clutch rod and ball joints are factory adjusted to  
10-1/4 in. (26.0 cm) overall length. Increasing the  
length will increase the free movement of the spring  
on the clutch engagement arm. Decreasing the  
lengthwillincreasetheamountofspringstretchinthe  
engaged position. (Refer to PTO Clutch Adjust-  
ment - Engaged illustration.)  
The declutched or disengaged position of the PTO  
clutch is adjustable and is set to completely release  
spring tension on the mechanical clutch. The  
spring in the linkage that engages the clutch should  
not have any tension on it when the clutch is  
disengaged. Adjust the PTO clutch engagement  
adjustment bolt up or down to allow minimal free  
movement in the disengaged position. If this can  
not be achieved, the clutch rod will need to be  
adjusted.  
PTO Clutch  
Lever  
(Disengaged)  
Spring Hangs  
Freely When  
Disengaged  
10-1/4 in.  
(26.0 cm)  
Adjustment Bolt  
and Jam Nut  
PTO Clutch Adjustment - Disengaged  
PTO Clutch  
Lever  
(Engaged)  
Clutch Rod Adjustment  
ELECTRICAL SYSTEM  
For troubleshooting, refer to the WIRING SCHE-  
MATIC.  
IMPORTANT: Disconnect both battery cables be-  
fore unplugging any wiring connectors or making re-  
pairs on the electrical system.  
5-1/4 in.  
(13.3 cm)  
PTO Clutch Adjustment - Engaged  
57  
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TRACTOR AND DECK DECALS  
I T E M P A R T  
NO. NO.  
D E S C R I P T I O N  
L O C AT I O N  
N O .  
REQ’D SD  
Walker Product and Operation Decals  
1
2
3
4
5
6
7
8
9
2802-2 RH Fender  
Body, RH near Seat  
Transfer Mount  
Rear Body (one on each side)  
Body, LH near Seat  
Chassis  
Body  
Body  
Carrier Frame  
Deck Footrest, Front  
1
1
2
1
2
1
1
1
1
2010-4 Fuel Transfer  
5800-6 Decal, Walker 6-3/4"  
2802-1 LH Fender  
9804  
5856  
5803  
2748  
Axle Lockout  
Made in USA  
Walker Manufacturing Logo  
Cutting Height Adjustment  
5800-5 Decal, Walker 8"  
Danger Decals Warning Decals Caution Decals  
10  
11  
12  
13  
14  
15  
16  
17  
18  
19  
5805  
6810  
Caution, Engine Exhaust  
Danger, Engine Exhaust  
Rear Body  
Engine, LH Side  
Rear Body, Underside  
Air Cleaner Bracket  
Deck Housing (one on each end)  
Carrier Frame  
Deck Housing  
Carrier Frame  
Deck Housing  
Side Discharge Shield  
1
1
1
1
2
1
1
2
1
1
2107-4 Decal, Belt Routing  
4107-1 Danger, Rotating Components  
5808  
8647  
Danger, Rotating Blades  
Danger, Tilt-Up  
8653-1 Transport Warning  
8653  
2749  
5848  
Caution, Pivot Joint  
Decal, Drive Belt Routing  
Danger, Side Discharge Shield  
Maintenance Decals  
20  
21  
22  
23  
24  
25  
26  
2105-8 RH Decal, 27 HP  
2105-9 LH Decal, 27 HP  
Rear Body, RH Side  
Rear Body, LH Side  
Engine  
1
1
1
1
1
1
1
5855  
Important, Engine Cooling  
2807-1 Decal, Oil Pressure/Head Temp.  
Body  
6875  
8746  
2732  
PTO Alignment Arrow  
Universal Joint Lube  
Decal (60")  
Universal Joint Tube Assembly  
Mount Bracket / PTO Guard  
Deck Housing, Front  
Option Decals (applied only to units with corresponding Options installed)  
27 5877 Lights, On-Off Body  
1
NOTE: All parts requiring decals are shipped with decals applied.  
®
Use only genuine Walker replacement parts.  
Effective Date 03-31-08  
58  
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TRACTOR AND DECK DECALS  
3
10  
20  
2
21  
22  
3
1
12  
13  
5
27  
5
11  
23  
19  
8
17  
7
6
4
14  
24  
25  
D
WA  
RIV  
R
E
E
A
L
IV  
BE  
1
C
A
R
A
LK  
BE  
L
R
E
E
LIS  
R
L
T
SLE  
P
E
/
/
N
P/  
P/  
2
N
7
L
T
R
3V  
X1  
25  
R
O
0
-
-
2
17  
UTI  
BEE  
L
LT  
T
T
W
IS  
T
N
G
D
WA  
LK  
RIV  
R
E
E
A
IV  
P
P
U
E
R
BL  
WA  
L
L
E
P
/
/
E
A
A
DE  
E
N
Y
L
KE PU  
R
22  
2
P
/
L
L
E
0
-
1
N
Y
2
2
4
0
BEE  
L
LT  
T
IS  
2
T
7
4
9
9
18  
16  
15  
14  
26  
®
Effective Date 03-31-08  
Use only genuine Walker replacement parts.  
59  
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BODY / CHASSIS ASSEMBLY  
ITEM PART  
NO. NO.  
DESCRIPTION  
NO.  
ITEM PART  
NO. NO.  
DESCRIPTION  
NO.  
REQ’D  
REQ’D  
Body & Seat Assembly  
Deck Arm Adapter Kit*  
1
2
3
4
5
6
7
8
9
10  
11  
12  
13  
14  
15  
16  
2103-1  
2105-1  
2190-1  
5845  
5146  
2145  
Seat  
1
1
1
2
2
1
2
1
1
1
1
1
1
1
2
2
44  
45  
46  
47  
48  
49  
2431-1  
5775-2  
2430-1  
2744-2  
2744-4  
2744-5  
Deck Arm Adapter, LH  
Hitch Pin (#6)  
Deck Arm Adapter, RH  
Counter Weight Spring Extension  
1/4" Quick Link  
1
2
1
1
1
1
Rear Body (Includes Item # 3)  
Insulation Foam Pad  
Rubber Bumper (1.50 x 1.25)  
10mm Ball Stud  
Gas Spring  
Chain  
5180  
Edge Molding, Lever Opening  
Front Body Doubler  
Hinge (22.5)  
Front Body  
Dome Plug (7/16)  
Body Latch Hook  
Plastic Tip, Red  
Extension Spring (1/4 x 3)  
Dome Plug (3/8)  
Tilt-Up Latch Assembly**  
2100-3  
2504-4  
2100-1  
5989-5  
2383  
7854  
7222  
5989-4  
5989-3  
50  
51  
52  
53  
54  
55  
56  
5847  
Plastic Tip  
1
1
1
1
1
1
1
5744-20 Spring Arm, Tilt-Up Latch  
5744-10 Spring Pivot Bushing  
5744-15 Compression Spring (3/8 x 5/8)  
5744-13 Mount Angle, LH  
5744-12 Hook, Tilt-Up Latch  
5744-14 Mount Angle, RH  
Fasteners  
Dome Plug (5/16)  
F002  
10-24 Keps Nut  
1/4-20 Keps Nut  
1/4-20 ESNA Nut  
5/16-18 Whiz Locknut  
3/8-16 Whiz Locknut  
5/16-18 ESNA Nut  
5
11  
2
16  
2
1
5
2
8
1
2
4
2
5
5
2
4
1
1
2
2
2
2
2
5
Chassis Assembly  
F004  
F005  
F009  
F013  
F020  
F025  
F029  
F034  
F093  
F151  
F183  
F205  
F218  
F219  
F236  
F246  
F256  
F341  
F342  
F344  
F347  
F348  
F430  
F442  
F446  
17  
18  
19  
20  
2390-1  
2046-1  
2300-3  
2046  
Battery Pan  
1
1
1
1
Gas Tank Mount, LH  
Chassis Frame  
Gas Tank Mount  
Tail Wheel Assembly  
10-24 x 3/8 PPHMS  
1/4-20 x 1/2 Hex Bolt  
5/16-18 x 3/4 Hex Bolt  
5/16-18 x 1 Hex Bolt  
3/8-16 x 7/8 Hex Bolt  
.312 x .700 x .074 Washer  
5/16-18 x 1/4 Set Screw (Knurl Point)  
7/16 Split Lock Washer  
7/16-14 x 1-1/4 Hex Bolt  
1/4-20 x 1-3/4 Hex Bolt  
1/4-20 x 1/2 PTHMS  
7/16 SAE Washer  
Coil Roll Pin (7/64 x 9/16)  
5/16 Conical Washer  
3/4-16 Slotted Hex Nut  
3/4 SAE Washer  
1/8 x 1-1/2 Cotter Pin  
7/16-20 ESNA Nut  
21  
22  
23  
24  
25  
26  
27  
28  
29  
30  
31  
32  
33  
5830  
Grease Fitting  
Fiberglide Thrust Washer  
Fiberglide Bearing (1-5/8)  
4
2
2
2201-2  
2201-3  
2300-6  
5830-3  
2201-4  
8769-8  
8769-6  
8769-5  
8769-7  
2770  
Tail Wheel Pivot (Includes Items # 21 & 25)1  
Grease Fitting (45 Deg.)  
Washer (2-1/4 x 7/16 x 1/4 Thk)  
Dust Cap, Deck Caster  
Bearing Cone (1" ID)  
Bearing Cup (2 x 1-5/8)  
Seal  
1
1
2
4
4
2
2
2
2
Caster Wheel Fork  
Nut, Tail Wheel Axle  
8039  
8038-1  
Spacer, Tail Wheel Axle  
(.750 x ID x 1.125 OD)  
Seal, Reverse Lip  
Bearing Cone (3/4 ID)  
Tail Wheel & Tire (13 x 5.00-6)  
(W/Bearing Race)  
34  
35  
36  
8768-2  
8037  
8035  
2
4
2
1/4-20 x 5/8 PTHMS  
7/16-20 x 3-1/2 Grd 8 Bolt  
37  
38  
8037-1  
7038  
Seal, Outer (1-3/4 x 1-1/8)  
Tail Wheel Axle (3/4 x 5-9/16)  
2
2
2
*
Complete Deck Arm Adapter Kit available by ordering  
kit 2430-10. This kit allows the use of all Side Discharge  
Decks with the MBSSD Tractor.  
Deck Support Arm & Hitch Assemblies  
39  
40  
41  
42  
2300-9  
6840-1  
2775  
Deck Arm Support Mount  
Support Arm Bushing (2-1/16)  
Lynch Pin (5/16 x 1-1/4)  
Deck Support Arm, LH  
(Includes Item # 21)  
1
2
2
1
** Complete Tilt-Up Latch Assembly Kit available by ordering  
kit # 5747.  
2431  
43  
2430  
Deck Support Arm, RH  
(Includes Item # 21)  
1
®
Use only genuine Walker replacement parts.  
Effective Date 03-31-08  
60  
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BODY / CHASSIS ASSEMBLY  
1
2
F029  
F020  
50  
51  
F341  
F029  
54  
52  
53  
56  
3
F236  
F004  
F093  
F342  
55  
F005  
F342  
F004  
13  
15  
16  
12  
14  
F025  
16  
F005  
15  
11  
F236  
F009  
F183  
F002  
10  
9
F219  
26  
F009  
4
F256  
22  
25  
22  
8
23  
24  
F009  
F218  
49  
5
27  
48  
F344  
F348  
F004  
5
21  
6
F442  
F246  
F347  
28  
29  
23  
17  
7
47  
F034  
21  
29  
28  
F151  
30  
F009  
31  
F013  
20  
F009  
F219  
F009  
F218  
F218  
F205  
F219  
35  
36  
19  
F034  
32  
33  
37  
34  
F446  
35  
40  
F009  
43  
41  
F430  
F034  
18  
F009  
38  
21  
39  
41  
F034  
F446  
42  
F430  
45  
46  
21  
40  
45  
44  
®
Effective Date 03-31-08  
Use only genuine Walker replacement parts.  
61  
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MAIN COMPONENT POWER TRANSMISSION  
ITEM PART  
NO. NO.  
DESCRIPTION  
NO.  
ITEM PART  
NO. NO.  
DESCRIPTION  
NO.  
REQ’D  
REQ’D  
PTO Drive Assembly  
Fasteners  
F004  
1
2
3
4
5
6
7
8
9
10  
11  
12  
13  
14  
15  
4850  
2358  
Handle Grip  
1
1
1
2
1
1
1
2
2
1
1
2
2
1
1
1/4-20 Keps Nut  
5/16-24 Keps Nut  
5/16-18 Whiz Locknut  
3/8-16 Keps Nut  
3/8-16 Whiz Locknut  
5/16-18 ESNA Nut  
5
2
12  
1
3
1
2
1
5
5
1
1
4
1
2
1
1
1
1
1
2
1
1
1
Clutch Lever (Includes Item # 1)  
Grease Fitting (90 Deg.)  
Ball Joint (5/16-24) (Nylon Lined)  
Clutch Rod  
Extension Spring (1/2 x 2-1/4)  
Clutch Actuator  
Pivot Bushing (5/16 ID)  
5/16-18 x 1-3/4 Stud  
Bearing Mount Plate  
Switch Pivot Mount  
Clevis Pin (3/16 x 1/2)  
Clutch Actuator Link  
Clutch Linkage Spring  
PTO Pulley  
F008  
F009  
F012  
F013  
F020  
F024  
F029  
F031  
F034  
F046  
F091  
F093  
F114  
F127  
F163  
F168  
F170  
F178  
F185  
F241  
F336  
F388  
F435  
5830-4  
5214-2  
4358-1  
5229  
2358-5  
5103-2  
2358-6  
2349-2  
2349-3  
7407  
5/16-24 Jam Nut  
1/4-20 x 1/2 Hex Bolt  
1/4-20 x 5/8 Hex Bolt  
5/16-18 x 3/4 Hex Bolt  
3/8-16 x 3-1/2 Hex Bolt  
5/16-18 x 5/8 Hex Bolt  
5/16-18 x 1 Hex Bolt  
5/16-18 x 5/8 SQH Set Screw  
1/16 x 1/2 Cotter Pin  
5/16-18 x 3/4 SQH Set Screw  
5/16 Split Lock Washer  
5/16 x 1 x 7/64 Flat Washer (Zinc Plate)  
1/4 x 1 Fender Washer  
1/4 Int. Star Lock Washer/SS  
.375 x .875 x .10 Washer  
3/8-16 Jam Nut  
2358-4  
4358-5  
2236  
(Includes Items # F075, F114 & F435)  
Bearing W/Collar (3/4)  
PTO Drive Shaft (1")  
PTO Drive Shaft Assembly  
Quick Coupler Installation Tool  
16  
17  
5268  
2
1
*
**  
1
1
1
1
1
4
1
2
1
2
1
1
1
1
1
1
1
1
2274-6  
2274-5  
7275-9  
18  
19  
20  
21  
22  
23  
24  
25  
26  
27  
28  
29  
30  
31  
32  
33  
34  
35  
36  
7275-16 Universal Joint Tube Assembly / Spline  
2274-7  
4325-3  
2325-1  
2325-4  
2265  
PTO Bearing Housing  
Clutch Stop  
Clutch Retainer  
Idler Adjustment  
Bearing (20mm)  
3/8-16 x 2-1/2 Hex Bolt  
1/4 x 1/4 x 1-1/4 Key  
*
Service Part Only  
2406-7  
2236-1  
7201-7  
7201-3  
2230  
2236-4  
2325-3  
2325-2  
5830-3  
2325  
Pivot Shaft Spacer  
Idler Pulley (4.5/AAA)  
Inner Race (2-5/8)  
DU Bearing  
Engine PTO Belt/Set (3)  
Idler Pulley Shaft  
Idler Adjuster  
Tensioner Bolt  
Grease Fitting (45 Deg.)  
Idler Arm (Includes Item # 33)  
Retainer Washer (3/8 x 1-1/4)  
Mechanical Clutch  
** The Quick Coupler Installation Tool is used to assist the  
installation of the Quick Coupler Tube and PTO Shaft connec-  
tion by holding the disconnect ring in the retracted position  
when joined to the tractor spline shaft on the PTO Drive  
Shaft.  
5841  
2410  
®
Use only genuine Walker replacement parts.  
Effective Date 03-31-08  
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MAIN COMPONENT POWER TRANSMISSION  
1
Refer to  
Engine Group  
2
3
F008  
4
F024  
5
F031  
F008  
F004  
F024  
4
9
6
F034  
F009  
7
F009  
8
8
F031  
14  
12  
10  
F127  
36  
12  
F178  
22  
9
F009  
11  
13  
F004  
F009  
F012  
F046  
F009  
34  
33  
F029  
F185  
31  
F336  
32  
27  
F241  
24  
F034  
30  
26  
21  
F020  
Refer to  
35  
Refer to  
Body / Chassis Assembly  
F013  
29  
24  
Hydrostatic Ground  
Drive Assemblies  
F034  
28  
F241  
F013  
F388  
24  
23  
25  
26  
24  
F009  
F170  
F168  
F091  
F093  
20  
F114  
F163  
F435  
F009  
15  
16  
16  
19  
17  
®
Effective Date 03-31-08  
Use only genuine Walker replacement parts.  
18  
63  
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ENGINE GROUP  
ITEM PART  
NO. NO.  
DESCRIPTION  
NO.  
ITEM PART  
NO. NO.  
DESCRIPTION  
NO.  
REQ’D  
REQ’D  
Fuel Tank Assembly  
Choke and Throttle Assemblies  
1
8046-9  
Fuel Tank, 5.0 Gallon, Gas  
(Includes Item # 3)  
Fuel Cap Seal  
2
34  
35  
36  
37  
38  
39  
40  
41  
2109-4  
2108-4  
8123  
5975-3  
5108-6  
5108-5  
5108-1  
7108  
Control Cable (65-1/4")  
Control Cable (71")  
1
1
1
2
1
1
2
2
2
3
5082-2  
5082  
2
2
Insulating Sleeve (3/8 x 6)  
Cable Tie (50# x 7")  
Choke Control Knob, Black  
Throttle Control Knob, Red  
Control Lever, Throttle / Choke  
Control Assembly  
(Includes Items # 40, 42-44 & F201)  
Throttle Control and Cable Assembly  
(Includes Items # 39, 40, 42-45, F002,  
F005, F050, F164 & F201)  
Choke Control and Cable Assembly  
(Includes Items # 38, 40, 42-45, F002,  
F005, F050, F164 & F201)  
Control Bracket  
Fuel Tank Cap  
(Includes Item # 2)  
Tank Tube Elbow  
Bushing, Rubber (Fits 5083)  
Hose (3/8 x 6)  
Fuel Filter, In Tank  
Hose Clamp (1/2)  
4
5
6
7
8
5083-5  
5083-1  
5086-7  
5020-2  
5879-3  
2
2
2
2
7
1
1
1
*
1
1
1
2
2108-3  
2109-3  
5108-8  
*
*
9
5086-10 Hose (1/4 x 9)  
10  
11  
12  
13  
14  
15  
16  
2010-3  
2010-2  
NS  
5020  
5086-11  
Fuel Valve  
Fuel Transfer Mount  
Kohler Hose  
Fuel Filter  
Hose (1/4 x 12)  
42  
43  
44  
45  
2
2
2
5086-12 Hose (1/4 x 46)  
7833-2 Cable Clamp (1 x 1/4)  
5108-10 Friction Washer (.125)  
5108-7  
5172  
Control Lock Tab  
Bearing, Nylon (.255 ID x .379 OD x .250) 1  
Engine Assembly  
Fasteners  
F002  
17  
18  
19  
20  
21  
22  
23  
NS  
NS  
27 HP Engine (Kohler)  
Muffler  
Body Support  
Rubber Bumper (1.0 x .625)  
Kohler Nut  
Shield Side  
*
*
1
2
*
2
10-24 Keps Nut  
1/4-20 Keps Nut  
1/4-20 ESNA Nut  
12  
2
2
8
8
2
2
6
3
1
4
4
4
4
4
2104  
4845  
NS  
2013-4  
2013-3  
F004  
F005  
F009  
F025  
F026  
F031  
F034  
F050  
F164  
F175  
F184  
F185  
F201  
F439  
5/16-18 Whiz Locknut  
10-24 x 3/8 PPHMS  
10-24 x 1/2 PPHMS  
1/4-20 x 5/8 Hex Bolt  
5/16-18 x 3/4 Hex Bolt  
1/4 SAE Washer  
10-24 x 1/4 x 3/8 SHL Bolt  
1/2 Split Lock Washer  
1/4-20 x 1/2 Hex Bolt, SS  
1/4 Internal Star Lock Washer  
1/4 Belleville Spring Washer  
1/2-13 x 1-3/4 Hex Bolt  
Muffler Heat Shield  
1
Precleaner Assembly  
24  
25  
26  
7840  
2012  
Hose Clamp (1-5/16 to 2-1/4)  
Flex Hose (1-3/4 x 2)  
2
1
*
2088-10 Air Cleaner Assembly  
(Includes Items # 27-32)  
27  
28  
29  
30  
31  
32  
33  
5091-11  
2088-1  
2090-3  
2090-1  
2088-2  
2090-2  
2010  
Air Flow Indicator & Nipple  
Air Cleaner Band  
Safety Filter Insert  
Air Cleaner Cartridge  
Air Cleaner Cap  
1
1
1
1
1
1
1
*
Service Part Only  
Vacuator Valve  
Pre Cleaner / Guard Mount  
®
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Effective Date 03-31-08  
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ENGINE GROUP  
21  
20  
19  
F025  
20  
22  
23  
4
5
3
2
F025  
F009  
1
18  
F002  
17  
25  
24  
F002  
22  
F184  
24  
F185  
F185  
F184  
6
8
26  
7
To Engine  
9
10  
8
8
F034  
28  
F031  
12  
8
29  
27  
8
11  
30  
13  
3
2
33  
8
8
31  
F009  
14  
1
35  
34  
4
15  
5
F034  
F009  
37  
32  
F184  
F034  
36  
F185  
38  
7
39  
40  
F050  
F185  
F184  
F005  
F201  
F164  
45  
6
41  
F025  
F026  
F002  
F050  
F004  
44  
43  
F002  
16  
F002  
F026  
42  
16  
F002  
F175  
F439  
Refer to  
Body / Chassis  
Assembly  
®
Effective Date 03-31-08  
Use only genuine Walker replacement parts.  
65  
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HYDROSTATIC GROUND DRIVE ASSEMBLIES  
ITEM PART  
NO. NO.  
DESCRIPTION  
NO.  
ITEM PART  
DESCRIPTION  
NO.  
REQ’D  
NO.  
NO.  
REQ’D  
Parking Brake Assembly  
40  
41  
42  
43  
44  
45  
46  
47  
48  
49  
2024-5  
2024-7  
2024-6  
5879-3  
2024-3  
5879-6  
9430-1  
2024-8  
2300-5  
Oil Expansion Reservoir  
Oil Reservoir Mount, LH  
90' Degree Fitting  
Hose Clamp (1/2)  
Reservoir Hose  
2
1
2
2
2
2
4
1
1
1
1
2
3
4
5
2358-6  
2300-2  
5103-2  
2406-3  
5222  
5/16-18 x 1-3/4 Stud  
2
1
2
1
1
1
1
5
1
1
1
1
1
Parking Brake Hydro Mount, RH  
Pivot Bushing (5/16 ID)  
Parking Brake Actuator Tube  
Extension Spring (1/2 x 3-1/4)  
Clevis (3/8)  
Hose Clamp (3/4)  
Spacer Tube (9/16 x 5/8 x 5/16)  
Oil Reservoir Mount, RH  
Spring Mount Plate  
6
2280  
7
8
9
10  
11  
12  
13  
2406-4  
4407-4  
2406-1  
8655-4  
5830-4  
2850  
Clevis Pin (5/16 x 1-1/8)  
Bow Tie Cotter Pin  
Brake Actuator Pull  
Clevis Pin (5/16 x 3/4)  
Grease Fitting (90 Deg.)  
Handle Grip, Red  
Parking Brake Lever Idler Mount  
(Includes Items # 11 & 12)  
Parking Brake Stop  
Parking Brake Hydro Mount, LH  
Clevis Pin (1/4 x 0.80)  
Clevis (1/4)  
Parking Brake Rod  
Compression Spring (2-1/2)  
Steering Lever Actuator  
2026-20 Hydro-Gear W/Charge Pump, RH  
Wheel Assembly  
50 2070  
Fasteners  
F003  
Wheel & Tire (22 x 10.50-12)  
2
2406-8  
14  
15  
16  
17  
18  
19  
20  
2406-5  
2300-1  
5281-5  
5280  
2406-2  
5665-1  
5463  
1
1
2
2
2
2
2
1/4-28 Hex Nut  
1/4-20 Keps Nut  
5/16-18 Whiz Locknut  
5/16-24 ESNA Nut  
3/8-16 Keps Nut  
2
10  
17  
4
1
4
8
8
8
4
1
1
1
1
10  
2
6
2
4
F004  
F009  
F010  
F012  
F013  
F014  
F015  
F031  
F034  
F035  
F040  
F043  
F051  
F054  
F169  
F171  
F173  
F182  
F183  
F211  
F231  
F336  
F350  
F388  
F434  
3/8-16 Whiz Locknut  
3/8-16 ESNA Nut  
Ground Drive Assemblies  
1/2-20 Wheel Lug Nut  
1/4-20 x 5/8 Hex Bolt  
5/16-18 x 3/4 Hex Bolt  
5/16-18 x 1-1/4 Hex Bolt  
3/8-16 x 1-1/2 Hex Bolt  
3/8-16 x 3 Hex Bolt  
21  
22  
23  
24  
25  
26  
27  
28  
29  
30  
31  
32  
33  
34  
2248  
Ground Drive Belt  
1
1
1
2
2
8
4
16  
8
1
2028-4  
2240-2  
5267  
Hydro Lockout Rod, RH  
Drive Pulley (Includes Item # F171)  
Retainer Collar (3/4)  
4349-6  
Flanged Bearing (1")  
3/8 SAE Washer  
AN960616 Washer  
2350-13 3/18-16 x 1-3/4 Bolt Grade 5  
2350-1  
6325-2  
2350-9  
Hub, Coupler End  
Spacer Bushing (5/16)  
Flex Plate  
5/16-18 x 1 Carriage Bolt  
5/16-18 x 3/8 Set Screw  
5/16-18 x 3/4 Carriage Bolt  
1/4 x 5/8 x 1/8 Washer  
.312 x .700 x .074 Washer  
1/4-20 x 7/8 Hex Bolt  
1/4 x 3/4 Woodruff Key (#806)  
3/8-16 Jam Nut  
2350-12 Coupling Shaft  
5221  
4245  
5841  
2349-1  
Extension Spring (3/4 x 4)  
Idler Pulley (3/A)  
Retainer Washer (3/8 x 1-1/4)  
Hydro Idler Arm  
1
1
1
1
1
1
1
1
2
4
4
(Includes Item # 35)  
Grease Fitting (45 Deg.)  
Inner Race (2-1/4)  
DU Bearing  
1/4-20 LP Nylock  
3/8-16 x 2-1/2 Hex Bolt  
5/16-18 x 3-1/2 Hex Bolt  
35  
36  
37  
38  
39  
5830-3  
7201-5  
7201-3  
2028-3  
1
1
2
1
1
Hydro Lockout Rod, LH  
2025-20 Hydro-Gear W/Charge Pump, LH  
®
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Effective Date 03-31-08  
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HYDROSTATIC GROUND DRIVE ASSEMBLIES  
F336  
8
9
Refer to  
Engine Group  
2
5
6
1
F009  
F009  
11  
F009  
10  
F183  
3
12  
7
F009  
15  
4
F034  
13  
14  
F035  
F009  
3
16  
17  
F003  
F010  
F009  
F034  
8
16  
F009  
Refer to  
17  
8
25  
F003  
F010  
F009  
1
18  
24  
F009  
F034  
Main Component  
Power Transmission  
18  
19  
20  
F182  
F009  
23  
F171  
F169  
F231  
19  
20  
22  
8
F010  
F350  
21  
F173  
Refer to  
Main Component  
Power Transmission  
31  
49  
F010  
F182  
F211  
F043  
F004  
24  
25  
38  
8
34  
35  
F012  
39  
F388  
33  
36  
37  
40  
32  
F013  
F182  
30  
F031  
F013  
48  
F171  
27  
F014  
F054  
28  
F013  
29  
40  
28  
27  
F009  
F004  
F031  
F171  
F031  
26 F054  
F004  
F031  
F051  
F040  
F054  
F171  
27  
47  
26  
41  
F171  
F054  
F388  
42  
F014  
28  
43  
44  
42  
43  
45  
29  
45  
F014  
28  
50  
44  
27  
26  
Refer to  
Body / Chassis  
Assembly  
46  
F009  
F004  
F004  
F434  
50  
F015  
®
Effective Date 03-31-08  
Use only genuine Walker replacement parts.  
67  
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STEERING CONTROL ASSEMBLIES  
ITEM PART  
NO. NO.  
DESCRIPTION  
NO.  
ITEM PART  
NO. NO.  
DESCRIPTION  
NO.  
REQ’D  
REQ’D  
Steering Lever & FSC Assemblies  
Transmission Spring Assemblies  
1
2
5862  
4170  
FSC Knob  
FSC Lever Assembly  
(Includes Item # 4)  
1
*
36  
4199  
Transmission Spring Assembly  
(Includes Items # 37-43, F004, F032,  
F320 & F352)  
*
3
4
5
6
7
2170-1  
5830  
5214-5  
4213  
5214-4  
5214-3  
4173  
Step Washer  
Grease Fitting  
1
1
1
1
1
2
2
2
1
2
2
1
1
1
4
1
37  
38  
39  
40  
41  
42  
43  
4552  
5194  
5192-2  
5193  
6191  
5195  
6196  
Ball Joint (1/4-28)  
Plunger Sleeve  
2
2
2
2
2
2
2
Ball Joint (5/16-24/LH) W/O Stud  
Control Rod  
Ball Joint (5/16-24) W/O Stud  
Ball Joint (5/16-24 LH) (Nylon Lined)  
Control Rod  
Spring Plunger (Female)  
Washer (3/4 x 1 x .085)  
Spring Slide (4-3/4)  
Compress Spring (1 x 5-1/8)  
Spring Slide Cap  
8
9
10  
11  
12  
13  
14  
15  
16  
17  
18  
2212  
2212-2  
Transmission Control Arm Stop  
Transmission Control Arm, RH  
Fasteners  
F003  
2025-10 TWHCS 5/16-24 x 1.0 (Patch)  
5214-2  
2212-1  
2451-1  
5830-3  
8201-3  
2451-3  
Ball Joint (5/16-24) (Nylon Lined)  
Transmission Control Arm, LH  
Steering Pivot Shaft With Stop  
Grease Fitting (45 Degree)  
Fiberglide Bearing  
Speed Control Actuator, LH  
(Includes Items # 16 & 17)  
10mm Ball Stud  
Steering Lever Dampener  
Speed Control Actuator, RH  
(Includes Items # 17 & 22)  
Grease Fitting (90 Deg.)  
FSC Friction Actuator  
1/4-28 Hex Nut  
1/4-20 Keps Nut  
1/4-20 ESNA Nut  
5/16-24 Keps Nut  
5/16-18 Whiz Locknut  
5/16-24 Jam Nut  
1/4-20 x 3/4 Hex Bolt  
5/16-18 x 1-1/4 Hex Bolt  
3/8 Wave Spring Washer  
5/16-18 x 1 Hex Bolt  
5/16-18 x 3/8 x 1 SHL Bolt  
1/4-20 Jam Nut  
5/16-18 Hex Nut  
.312 x .700 x .074 Washer  
1/4-20 Self-Locking Nut  
3/8-24 Self-Locking Nut  
.250 x .625 x .040 Washer, SS  
.765 ID x 1.312 OD x .032 Washer  
1/4-20 x 7/8 Hex Bolt  
1/8 x 3/4 Split Spring Pin  
1/4-20 x .770 Knurled Bolt  
5/32 x 1 Heavy Duty Roll Pin  
5/16-24 Hex Nut, LH  
2
6
2
4
6
3
2
1
1
2
1
2
1
2
4
1
2
2
1
2
4
2
3
1
1
2
1
1
F004  
F005  
F008  
F009  
F024  
F032  
F035  
F059  
F093  
F121  
F146  
F167  
F183  
F188  
F192  
F198  
F209  
F211  
F320  
F345  
F352  
F373  
F385  
F386  
F391  
F407  
F427  
19  
20  
21  
5146  
2215-1  
2451-2  
4
2
1
22  
23  
24  
25  
26  
5830-4  
4451-4  
4219  
1
1
1
2
2
Extension Spring (3/4 x 6-1/2)  
Handle Grip, Foam (5-1/2)  
5850-2  
5453-20 Steering Lever Handle (+1")  
Adjustable / SS  
(Includes Items # 25, F188, F198 & F345)  
Steering Lever Tube W/Tab  
D-Clip  
Extension Spring (1/2 x 3-1/4)  
Steering Pivot (1/4-20 x 1-1/2)  
FSC Cam  
FSC Friction Washer  
(1-1/2 x 3/8 x 1/16)  
FSC Friction Washer  
(1-1/2 x 1-1/32 x 1/16)  
Pivot Rod Bushing, Plastic  
Steering Shaft Spacer  
27  
28  
29  
30  
31  
32  
4452-4  
5450  
5222  
4452-6  
4142-1  
5141  
2
2
2
2
1
1
1/4 x 1-1/4 Roll Pin  
5/16-18 x 1-1/2 x 3/8 Shoulder Bolt  
1/4-20 x 1/2 Set Screw, SS  
Belleville Washer 3/8 x 1.187, SS  
5/16-18 Flange Nut  
33  
4142-2  
1
34  
35  
9704-3  
2451-4  
2
1
*
Service Part Only  
®
Use only genuine Walker replacement parts.  
Effective Date 03-31-08  
68  
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STEERING CONTROL ASSEMBLIES  
1
Refer to  
Hydrostatic Ground  
Drive Assemblies  
2
F009  
F059  
F386  
6
F183  
5
F427  
3
F093  
4
F373  
24  
F146  
F391  
11  
10  
F008  
8
F093  
7
F024  
9
F373  
F004  
F183  
F009  
F167  
12  
F035  
F009  
36  
22  
25  
Refer to  
26  
F345  
Hydrostatic Ground  
Drive Assemblies  
23  
F385  
F198  
13  
F024  
19  
F008  
8
F009  
20  
9
12  
17  
20  
F032  
F373  
F146  
F391  
14  
10  
19  
F009  
13  
21  
F188  
29  
F024  
F032  
28  
17  
27  
F008  
36  
25  
26  
F188  
F198  
27  
19  
F004  
16  
F209  
19  
17  
F009  
18  
F008  
30  
F345  
F005  
29  
28  
15  
17  
F005  
F320  
39  
30  
43  
42  
F352  
37  
41  
40  
F003  
F032  
38  
F004  
F004  
F004  
F211  
F192  
F407  
31  
32  
33  
34  
Refer to  
Body / Chassis  
Assembly  
34  
35  
F121  
®
Effective Date 03-31-08  
Use only genuine Walker replacement parts.  
69  
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ELECTRICAL ASSEMBLY  
ITEM PART  
NO. NO.  
DESCRIPTION  
NO.  
ITEM PART  
DESCRIPTION  
NO.  
REQ’D  
NO.  
NO.  
REQ’D  
Electrical Assembly  
21  
22  
23  
24  
25  
26  
5932  
5933  
5844  
2910-1  
5839  
7938  
Battery Terminal Insl., Blk (-)  
Battery Terminal Insl., Red (+)  
Battery Hold-Down Bar  
Battery Shield  
1
1
1
1
2
1
1
8960-15 Ignition Switch W/Keys  
(Includes Items # 2, 3 & F349)  
1
2
3
4
5
6
7
7854  
Plastic Tip, Red  
Key Set W/Umbrella  
1
1
1
1
1
2
Hook Bolt  
8960-3  
7941-3  
7941-6  
8990-1  
8996-2  
Lead Wire, Battery Charge  
(Alternator to Starter)  
Circuit Breaker (30 Amp)  
(Auto Reset/Sealed)  
Cable Clamp (1/4)  
Boot, Circuit Breaker  
Circuit Breaker (15 Amp)  
Hourmeter (Sendec)  
Red Indicator Light Assembly  
(Includes Items # 8 & 9)  
Red Indicator Lens  
27  
8941  
1
28  
29  
30  
31  
32  
5833  
1
1
1
*
*
2940-1  
5942-4  
6941-6  
6941-7  
Wire Harness  
8
9
8996-4  
8996-3  
2
*
PTO Safety Switch (NO)  
Relay Switch 30/40AMP (NC)  
Relay Mount  
Indicator Bulb  
(Replacement for P/N 8996-2)  
Warning Horn Assembly  
Harness Clip  
Relay Switch 30/40 Amp (NC)  
(Includes Items # 31 & 32)  
Time Delay Module (Less Harness)  
Time Delay Harness  
Cable Clamp (1 x 1/4)  
Safety Switch (NO)  
Riser Plate, Seat Switch  
Battery Cable (14")  
10  
11  
12  
8536-2  
6105-3  
6942  
1
3
3
Fasteners  
F002  
10-24 Keps Nut  
1/4-20 Keps Nut  
15  
3
2
3
10  
3
13  
14  
15  
16  
17  
18  
19  
20  
7948-1  
7948-5  
7833-2  
2941-5  
7203-6  
2940-3  
7910  
1
1
2
1
1
2
1
2
F004  
F019  
F025  
F026  
F031  
F050  
F349  
1/4-20 ESNA Wing Nut  
10-24 x 3/8 PPHMS  
10-24 x 1/2 PPHMS  
1/4-20 x 5/8 Hex Bolt  
1/4 SAE Washer  
4
1
Battery (12V/340CCA/Dry)  
Cable Tie (18# x 3-3/4")  
Washer .835 ID 1.122 OD, SS  
5975-1  
*
Service Part Only  
®
Use only genuine Walker replacement parts.  
Effective Date 03-31-08  
70  
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ELECTRICAL ASSEMBLY  
Refer to  
Body / Chassis  
Assembly  
3
F349  
2
1
1
5
4
1
D
A
23  
11  
6
B
21  
F019  
F050  
20  
E
C
22  
F004  
7
24  
F050  
F050  
F
18  
F004  
20  
7
F031  
8
19  
9
7
8
G
25  
18  
10  
F026  
13  
F002  
F002  
F026  
12  
H
I
J
K
14  
F026  
26  
Refer to  
Body / Chassis  
Assembly  
15  
L
F026  
16  
17  
F025  
F004  
F002  
M
15  
F031  
F026  
F026  
F002  
O
27  
F002  
F002  
30  
28  
F002  
29  
F025  
N
Refer to  
Body / Chassis  
Assembly  
31  
32  
DETAIL A  
PUR/RED  
DETAIL B  
PUR  
DETAIL C  
DETAIL D  
DETAIL E  
END VIEWS ARE SHOWN FROM BACK OF PLUG  
PUR  
PUR/RED  
WHT  
YEL  
BLK  
PUR/RED  
PUR/RED  
GRN  
GRN  
ORG  
BLK  
BLK  
RED  
GRA  
PUR/RED  
PUR  
PUR  
DETAIL K  
DETAIL L  
WHT  
DETAIL F  
DETAIL G  
DETAIL H  
DETAIL J  
DETAIL I  
YEL/BRN  
GRN  
YEL/BRN  
YEL  
ORG  
BRN  
YEL  
PUR/RED  
PUR/RED  
BLU  
BLU  
GRA  
BLU  
PUR/RED  
PUR/RED  
GRN  
BRN GRA  
BRN  
BRN  
PUR/RED  
PUR/RED  
RED  
BRN  
BRN  
PUR/RED  
BRN  
PUR/RED  
PUR/RED  
PUR/RED  
PUR/RED  
PUR/RED  
PUR/RED  
BRN  
DETAIL M  
DETAIL N  
DETAIL O  
YEL/GRN  
GRA  
GRN  
BLK  
BLK/BRN  
BLK  
BLK/BRN  
BLK  
WHT  
WHT  
WHT  
PUR  
®
Effective Date 03-31-08  
Use only genuine Walker replacement parts.  
BLU  
71  
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60 INCH COMPLETE CARRIER FRAME ASSEMBLY (P/N 2911)  
ITEM PART  
NO. NO.  
DESCRIPTION  
NO.  
ITEM PART  
DESCRIPTION  
NO.  
REQ’D  
NO.  
NO.  
REQ’D  
Spring and Pivot Mount Components  
36  
37  
38  
39  
40  
41  
42  
43  
44  
45  
2214-10 Rod End, Female (3/8-24)  
4
2
4
2
2
4
2
1
1
1
2722-3  
2655  
Pivot Shaft  
Lift Chain  
1
2
3
4
2744-1  
5975-3  
5743-1  
5743-6  
Spring Clip Bracket  
Cable Tie (50# x 7")  
Spring Cover  
Extension Spring (1-1/2 x 7-3/4)  
(Includes Items # 2, F117 & F166)  
Eye Bolt (3/8-16 x 2-3/4)  
Counter Weight Spring Mount  
Locking Arm, LH (Includes Item # F432)  
Grease Fitting  
1
2
2
2
4407-4  
2215-4  
5146  
Bow Tie Cotter Pin  
Height Adjustment Rod  
10mm Ball Stud  
2215  
2721  
2721-2  
2723-3  
Gas Spring Assembly  
Lifting Arm (Includes Item # 8)  
Lifting Cross Tube  
Height Adjustment Arm  
(Includes Item # 46)  
Handle Grip, Foam (3-1/4)  
Deck Height Adjustment Trigger  
(Includes Item # 8)  
5
6
7
5743-4  
2723  
2723-5  
5830  
2
2
1
10  
1
2
8
9
2667-1  
2723-4  
2667-2  
2723-6  
Pivot Mount, LH (Includes Item # 8)  
Pivot Shaft  
Pivot Mount, RH (Includes Item # 8)  
Locking Arm, RH (Includes Item # F432)  
46  
47  
5850-3  
2722-2  
1
1
10  
11  
12  
1
1
Fasteners  
F004  
Carrier Frame Components  
1/4-20 Keps Nut  
6
12  
14  
2
2
2
2
5
2
6
2
4
2
2
2
2
2
4
4
4
18  
6
1
4
2
2
2
1
2
4
2
13  
14  
15  
16  
17  
18  
19  
20  
21  
2215-2  
2723-2  
7775-5  
2720-3  
2723-1  
2215-3  
8740  
Gas Spring Cover, RH  
Outer Height Adjustment Plate  
Lock Pin (5/16)  
Height Adjustment Spacer  
Inner Height Adjustment Plate  
Gas Spring Cover, LH  
Deck Pin Bushing (3/4 ID)  
60SD Carrier Frame  
1
1
2
4
1
1
4
1
1
F009  
F013  
F014  
F035  
F038  
F039  
F040  
F048  
F050  
F071  
F090  
F117  
F132  
F166  
F205  
F215  
F218  
F219  
F226  
F241  
F263  
F268  
F298  
F344  
F347  
F348  
F378  
F432  
F436  
F437  
F438  
5/16-18 Whiz Locknut  
3/8-16 Whiz Locknut  
3/8-16 ESNA Nut  
5/16-18 x 1-1/4 Hex Bolt  
3/8-16 x 1 Hex Bolt  
3/8-16 x 1-1/4 Hex Bolt  
3/8-16 x 1-1/2 Hex Bolt  
1/2 SAE Washer  
2911-2  
8811-25  
Tilt Bar W/Grip (35")  
1/4 SAE Washer  
(Includes Item # 22)  
3/4 External Snap Ring  
1/4-20 x 2-1/2 Hex Bolt  
Retainer Ring  
1/4-20 x 2-3/4 Hex Bolt  
Retainer Ring  
5/16-18 x 1/4 Set Screw (Knurl Point)  
3/8-16 x 1/2 x 1/2 S Bolt  
7/16 Split Lock Washer  
7/16-14 x 1-1/4 Hex Bolt  
5/16-18 x 7/8 Hex Bolt  
.375 x .875 x .10 Washer  
1-1/4 External Snap Ring  
5/16-18 x 3 Hex Bolt  
3/8-24 Jam Nut  
3/4-16 Slotted Hex Nut  
3/4 SAE Washer  
1/8 x 1-1/2 Cotter Pin  
3/8-16 x 6 Hex Bolt  
3/16 x 1/2 Split Spring Pin  
3/16 x 1-1/8 Spring Pin  
Clevis Pin (1/4 x 1)  
22  
5850-5  
Handle Grip (1 x 1 x 3-3/4)  
1
Caster Wheel Components  
23  
24  
25  
26  
27  
28  
29  
30  
31  
8769-8  
8769-6  
8769-5  
8769-7  
2770  
7038  
8037-1  
8037  
Dust Cap, Deck Caster  
Bearing Cone (1" ID)  
Bearing Cup (2 x 1-5/8)  
Seal  
2
4
4
2
2
2
2
4
2
Caster Wheel Fork  
Tail Wheel Axle (3/4 x 5-9/16)  
Seal, Outer (1-3/4 x 1-1/8)  
Bearing Cone (3/4 ID)  
Tail Wheel & Tire (13 x 5.00-6)  
(W/Bearing Race)  
8035  
32  
33  
8768-2  
8038-1  
Seal, Reverse Lip  
2
2
Spacer, Tail Wheel Axle  
(.750 x ID x 1.125 OD)  
Nut, Tail Wheel Axle  
34  
8039  
2
Deck Lift Components  
5/16-18 x 2-3/4 Hex Bolt  
1
35  
2722-1  
Deck Height Adjustment, LH  
(Includes Item # 8)  
1
®
Use only genuine Walker replacement parts.  
Effective Date 03-31-08  
72  
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60 INCH COMPLETE CARRIER FRAME ASSEMBLY (P/N 2911)  
F090  
F050  
13  
2
1
F090  
F050  
3
F166  
F132  
F050  
F035  
14  
2
15  
16  
17  
4
F117  
F014  
F009  
3
46  
F241  
F013  
F048  
F241  
47  
F040  
F009  
5
F438  
F117  
F014  
F241  
6
16  
36  
F215  
F009  
F009  
F090  
F050  
45  
18  
F215  
F013  
F071  
F241  
6
F090  
F050  
38  
F013  
44  
F048  
F132  
F050  
F241  
F039  
F013  
8
F298  
F071  
40  
F436  
F226  
F241  
37  
F378  
8
10  
F263  
12  
F268  
F298  
42  
F436  
F432  
23  
41  
F263  
36  
11  
41  
F348  
7
F344  
F013  
F009  
F009  
8
F432  
F347  
24  
8
19  
9
8
F263  
25  
F009  
10  
8
F004  
20  
F013  
F241  
8
35  
8
F038  
43  
F013  
F241  
25  
24  
15  
F241  
36  
F241  
F436  
42  
38  
26  
27  
41  
F040  
37  
F219  
21  
F009  
F218  
F218  
F298  
F039  
F219  
F226  
8
38  
40  
F241  
F013  
F205  
34  
22  
F013  
F004  
F298  
F241  
F241  
30  
F241  
F013  
29  
36  
43  
38  
33  
28  
F241  
F038  
32  
30  
31  
F009  
41  
F013  
F040  
F009  
F013  
F040  
F241  
F040  
F241  
F013  
F013  
Refer to  
DSD60 Deck Assembly  
39  
F437  
®
Effective Date 03-31-08  
Use only genuine Walker replacement parts.  
73  
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DSD60 DECK ASSEMBLY (P/N 2910)  
ITEM PART  
NO. NO.  
DESCRIPTION  
NO.  
ITEM PART  
DESCRIPTION  
NO.  
REQ’D  
NO.  
NO.  
REQ’D  
Deck Housing Components  
46  
47  
48  
49  
50  
51  
7201-5  
2724-4  
2350-4  
2725-3  
6235  
Inner Race (2-1/4)  
5/16 x 3/8 SHL Bolt  
1
1
1
1
1
1
1
2
3
4
5
6
7
8
9
10  
11  
12  
13  
14  
15  
16  
17  
18  
19  
20  
21  
22  
23  
24  
2110  
Hood Latch Assembly  
Locking Finger  
Footrest, DSD60 (Includes Items # 4 & 5) 1  
2
2
Washer (1/2 OD x 5/16 ID x .030)  
Cam Tensioner  
Spring, Belt Tension Cam  
Idler Cam Spring Washer  
(Includes Item # 52)  
Idler Cam Washer (2" OD)  
Extension Spring (1 x 4)  
Idler Arm (Includes Item # 44)  
2786-4  
2786-1  
2786-3  
2786-2  
4845  
2703-5  
2724-1  
2731-1  
5162-11  
8490  
Rubber Mat (2 x 7)  
2
2
4
4
2
1
2
2
1
2
1
2
4
4
1
2
2
1
1
1
1
2350-2  
Rubber Mat (7 x 9-1/2)  
Rubber Bumper (1.0 x .625)  
Knob, 10-24 x 1/2  
Spindle Cover  
Belt Guide Roller  
Roller Wheel (5") (Includes Item # F059)  
Roller Wheel Axle Bolt  
Deck Serial Number Plate  
52  
53  
54  
2350-3  
2221  
2724-3  
1
1
1
Blade Spindle Components  
55  
56  
Fasteners  
F002  
2052  
7705-11  
Blade Spindle  
Blade 20.5" (RH Rotation)  
3
3
NS  
8735-10 Rubber Mat (5 x 6)  
2910  
2720-5  
6682-13 Axle Spacer  
10-24 Keps Nut  
1/4-20 Keps Nut  
1/4-20 ESNA Nut  
5/16-18 Whiz Locknut  
3/8-16 Keps Nut  
12  
8
8
14  
2
24  
2
10  
2
4
4
8
6
18  
3
1
3
3
2
3
2
3
4
1
2
1
2
2
1
2
3
4
3
1
2
2
1
60SD Deck Assembly / Tilt  
Deck Height Adjustment Clevis  
F004  
F005  
F009  
F012  
F013  
F014  
F025  
F028  
F029  
F031  
F033  
F034  
F039  
F041  
F043  
F045  
F048  
F049  
F050  
F051  
F055  
F059  
F067  
F075  
F108  
F131  
F206  
F236  
F241  
F265  
F268  
F276  
F318  
F405  
F408  
F435  
F445  
6715  
Roller Wheel (3-7/8)  
2725-5  
8910-5  
2705-4  
2705-3  
2809-1  
2705-6  
8670  
Tensioner Mate  
Tie Down Strap  
End Backup Plate  
Center Backup Plate  
Rubber Shield  
3/8-16 Whiz Locknut  
3/8-16 ESNA Nut  
10-24 x 3/8 PPHMS  
10-24 x 3/4 PPHMS  
1/4-20 x 1/2 Hex Bolt  
1/4-20 x 5/8 Hex Bolt  
1/4-20 x 1 PTH Bolt  
5/16-18 x 3/4 Hex Bolt  
3/8-16 x 1-1/4 Hex Bolt  
3/8-16 x 1-3/4 Hex Bolt  
3/8-16 x 3 Hex Bolt  
3/16 x 3/16 x 3/4 Key  
1/2 SAE Washer  
Chute Frame / Outer  
Tilt-Up Hook  
Blade Drive Components  
25  
26  
27  
28  
2618-1  
2620-3  
2620-2  
2619-1  
2618-2  
Cover, PTO Shaft Guard  
Rubber Flap  
Backing Plate  
PTO Shaft Guard  
PTO Shaft Guard Assembly  
1
1
1
1
*
(Includes Items # 25-28, F002, F025 & F028)  
5/16 SAE Washer  
1/4 SAE Washer  
3/8 SAE Washer  
5/8 SAE Washer  
29  
30  
31  
32  
5270  
2726  
2726-1  
2240-1  
Bearing W/Collar (1")  
PTO Bearing Housing  
PTO Drive Shaft  
2
1
1
1
Drive Pulley  
3/8 Wave Spring Washer  
3/16 x 3/16 x 1 Key  
5/16-18 x 1/2 SQH Set Screw  
3/8-16 x 2 Hex Bolt  
5/16-18 x 1/2 Hex Bolt  
#2 x 3/16 Drive Pin  
1/4-20 x 1-3/4 Hex Bolt  
.375 x .875 x .10 Washer  
1/2-20 x 1-1/2 Hex Bolt  
5/16-18 x 3 Hex Bolt  
5/8-11 Jam Nut  
3/8-16 x 3/4 SQH Set Screw  
3/8-16 x 1-1/2 FHA Screw SS  
7/16-20 Jam Nut  
1/4 x 1/4 x 1-1/4 Key  
1-7/8 Internal Snap Ring  
(Includes Items # F075 & F435)  
Bearing (20mm)  
Idler Pulley Shaft  
33  
34  
35  
36  
2265  
2245-4  
2725-1  
1
1
1
1
Tilted Idler Mount  
8285-15 U-Joint Shaft Assembly, Spline  
(Includes Item # F318)  
37  
38  
39  
40  
41  
42  
43  
4245-1  
2240  
8245  
2350-5  
2731  
5841  
Idler Pulley (4/Flat)  
Blade Drive Pulley (3-1/2)  
Idler Pulley (6")  
Washer (3/8-16 Tap 1/4 Thk)  
Blade Drive Belt (R3VX1250)  
Retainer Washer (3/8 x 1-1/4)  
Idler Pulley  
Idler Pulley Assembly  
(Includes Items # 33, 34, 43 & F445)  
Grease Fitting  
1
3
2
2
1
1
1
*
2245-1  
2245  
1
44  
45  
5830  
7201-3  
1
2
DU Bearing  
*
Service Part Only  
®
Use only genuine Walker replacement parts.  
Effective Date 03-31-08  
74  
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DSD60 DECK ASSEMBLY (P/N 2910)  
1
2
F031  
3
F025  
4
F004  
5
7
4
F009  
6
7
2
F031  
F004  
8
F028  
25  
F002  
F025  
1
F043  
F051  
F002  
7
F025  
47  
48  
49  
6
F009  
26  
45  
46  
45  
27  
7
50  
51  
52  
8
F241  
F108  
F002  
28  
44  
53  
F276  
F034  
F050  
F029  
F276  
F055  
F045  
54  
F055  
38  
29  
F013  
43  
29  
F002  
31  
F075  
32  
F435  
38  
30  
F445  
F045  
34  
F034  
F041  
42  
41  
F013  
F005  
35  
23  
F075  
F041  
33  
F025  
1
F051  
39  
F041  
F051  
F241  
F012  
F276  
F055  
22  
20  
40  
F067  
F039  
F029  
39  
37  
38  
24  
F059  
F014  
F014  
F013  
F013  
36  
6
F013  
F059  
F045  
13  
10  
11  
F318  
21  
F025  
F236  
F059  
F039  
F050  
1
9
F033  
20  
11  
10  
F004  
F009  
F131  
F059  
F013  
F002  
6
F049  
F009  
F268  
19  
F206  
12  
16  
13  
F009  
F004  
18  
F009  
F002  
F004  
F009  
17  
F039  
14  
F013  
55  
F405  
56  
15  
F039  
F408  
Secure to Vehicle  
According to 8653-1  
F048  
F265  
F009  
17  
F013  
Transport Warning Decal  
55  
F039  
F013  
56  
16  
F268  
55  
F048  
F265  
56  
®
Effective Date 03-31-08  
Use only genuine Walker replacement parts.  
F048  
F265  
75  
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MULCH KIT  
ITEM PART  
NO. NO.  
DESCRIPTION  
NO.  
ITEM PART  
NO. NO.  
DESCRIPTION  
NO.  
REQ’D  
REQ’D  
Mulch Kit  
Fasteners  
F004  
F029  
1/4-20 Keps Nut  
1/4-20 x 1/2 Hex Bolt  
16  
16  
1
2
3
4
5
2691-4  
Baffle, RH  
1
1
1
1
1
2691-2  
2691-5  
2691-1  
2691-3  
Vee, RH  
Center Skirt  
Vee, LH  
Skirt, LH  
®
Use only genuine Walker replacement parts.  
Effective Date 03-31-08  
76  
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MULCH KIT  
Refer to  
DSD60 Deck  
Assembly  
F029  
1
F029  
F029  
F029  
F004  
2
F004  
F004  
F004  
F029  
F029  
F029  
3
4
F029  
F004  
F004  
F029  
5
F029  
F004  
F029  
F004  
F004  
F004  
®
Effective Date 03-31-08  
Use only genuine Walker replacement parts.  
77  
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WIRING SCHEMATIC  
BATTERY  
BLK  
RED  
STARTER  
GRN  
BLK  
STARTER SOLENOID  
GRA  
RED  
GRA  
PUR/YEL  
WHT  
BLU  
PUR/RED  
TIME  
ENGINE  
DELAY  
WHT  
WHT  
MODULE  
WHT  
MAGNETO  
WHT  
BRN  
BRN  
BLK  
PUR  
GRN  
PUR  
GRN  
REGULATOR  
OIL PRESSURE  
SWITCH  
WHT  
RELAY - A  
30  
BLK  
BLK  
BLU  
OIL TEMP SWITCH  
30 AMP  
CIRCUIT  
BREAKER  
GRN  
RED  
85  
87  
86  
CYLINDER HEAD  
TEMP SWITCH  
87A  
GRN  
PUR/YEL  
RELAY - B  
BLK  
30  
BLK  
YEL  
BRN  
85  
86  
BLK  
BLK  
87A  
87  
PUR/RED  
PUR/RED  
BLK  
PTO  
SWITCH  
ORG  
BLK/  
BRN  
RELAY - C  
30  
BRN  
GRA  
85  
86
87A  
87  
SEAT  
SWITCH  
PUR/RED  
PUR/RED  
PUR/  
RED  
WALKER MODEL MBSS  
Beginning S/N 2007-90718  
BRN  
RED  
RED  
IGNITION SWITCH CIRCUITS  
OFF  
START  
RUN  
G + M  
B + A / S1 + S2  
B + A  
S1 = START CIRCUIT  
OPTIONAL  
LIGHTS  
OPTIONAL  
LIGHTS  
S2 = START/ACCESSORY CIRCUIT  
M = MAGNETO GROUND CIRCUIT  
B = BATTERY CIRCUIT  
A = ACCESSORY CIRCUIT  
G = GROUND CIRCUIT  
RED  
OPTIONAL  
LIGHTS  
BLK  
BLK  
RED  
M
G
WHT  
YEL  
RELAY - A  
B
S1  
RED  
PUR  
TIME DELAY RELAY  
A
PUR PUR  
S2  
30 + 87A  
30 + 87  
OFF  
START  
RUN  
15 AMP  
CIRCUIT  
BREAKER  
ORG  
30 + 87  
PTO ON  
30 + 87A  
RED  
BLK/  
BRN  
RELAY - B  
START RELAY  
30 + 87A  
PUR/RED  
PUR/RED  
PUR/RED  
FSC  
BLK  
NEUTRAL  
INTERLOCK  
SWITCH  
PUR/RED  
OFF  
START  
RUN  
30 + 87  
HOUR  
METER  
GRN  
BLU  
30 + 87  
OVER  
TEMP  
LIGHT  
OIL  
PRESSURE  
LIGHT  
PTO ON  
30 + 87A  
PUR/  
RED  
BRN  
GRN  
BLU  
RELAY - C  
IGNITION RELAY  
-
30 + 87A  
OFF  
START  
RUN  
PUR/  
RED  
HORN  
+
30 + 87  
PUR/RED  
30 + 87  
PTO ON  
30 + 87A  
®
Use only genuine Walker replacement parts.  
Effective Date 03-31-08  
78  
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LIMITED WARRANTY  
FOR  
WALKER MODEL MBSSD  
RIDER MOWER  
1.  
WHAT THIS WARRANTY COVERS, AND FOR HOW LONG:  
Walker Manufacturing company will, at its option, repair or replace, without charge, any part covered by this warranty which  
is found to be defective in material and/or workmanship within one (1) year after date of sale to the original retail purchaser  
unless the product is used for rental purposes, in which case this warranty is limited to ninety (90) days. At Walker's  
request, customer will make the defective part available for inspection by Walker and/or return the defective part to Walker,  
transportation charges prepaid. All parts and components of the Walker Mower are covered by this warranty except the  
following components which are warranted separately by their respective manufacturers:  
Kohler Engine  
Hydro-Gear Transaxles  
Battery  
Tires  
The available warranties covering these items are furnished with each mower. Walker does not assume any warranty obli-  
gation, liability or modification for these items, which are covered exclusively by the stated warranty of the respective man-  
ufacturers noted above.  
2.  
WHAT THIS WARRANTY DOES NOT COVER:  
A. This warranty does not cover defects caused by depreciation or damage caused by normal wear, accidents, improper  
maintenance, improper use or abuse of the product, alterations, or failure to follow the instructions contained in the  
Owner’s Manual for operation and maintenance.  
B. The customer shall pay any charges for making service calls and/or for transporting the mower to and from the place  
where the inspection and/or warranty work is performed.  
3.  
4.  
HOW TO OBTAIN SERVICE UNDER THIS WARRANTY:  
Warranty service can be arranged by contacting the dealer where you purchased the mower or by contacting Walker Man-  
ufacturing Company, 5925 East Harmony Road, Ft. Collins, CO 80528. Proof of the date of purchase may be required to  
verify warranty coverage.  
WARRANTY LIMITATION:  
A. THERE IS NO OTHER EXPRESS WARRANTY. ANY WARRANTY THAT MAY BE IMPLIED FROM THIS  
PURCHASE INCLUDING MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE IS HEREBY  
LIMITED TO THE DURATION OF THIS WARRANTY AND TO THE EXTENT PERMITTED BY LAW ANY AND ALL  
IMPLIED WARRANTIES ARE EXCLUDED. Some states do not allow limitations on how long an implied warranty  
lasts, so the above limitations may not apply to you.  
B. WALKER WILL NOT BE LIABLE FOR ANY INCIDENTAL, CONSEQUENTIAL, OR SPECIAL DAMAGES AND/OR  
EXPENSES IN CONNECTION WITH THE PURCHASE OR USE OF THE MOWER. Some states do not allow the  
exclusion or limitation of incidental or consequential damages, so the above limitation(s) or exclusion(s) may not  
apply to you.  
C. Only the warranty expressed in this limited warranty shall apply and no dealer, distributor, or individual is authorized  
to amend, modify, or extend this warranty in any way. Accordingly, additional statements such as dealer advertising  
or presentations, whether oral or written, do not constitute warranties by Walker, and should not be relied upon.  
D. This warranty gives you specific legal rights, and you may also have other rights which vary from state to state.  
79  
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Sound - Model MBS  
Vibration - Model MBS  
Sound Test  
Vibration Level  
Vibration levels at the operators handles  
were measured in the vertical, lateral, and  
longitudinal directions using calibrated  
Sound test conducted was in accordance  
with 2000/14/EC and was performed on 6  
July 07 under the conditions listed:  
Lwa  
100  
0.2g  
vibration test equipment.  
Tests were performed on 6 July 07 under the  
conditions listed:  
General Condition:  
Temperature:  
Wind Speed:  
Humidity:  
Clear  
o
o
General Condition:  
Temperature:  
Wind Speed:  
Humidity:  
Clear  
90 (F) 32 (C)  
o
o
90 (F) 32 (C)  
< 5 mph (< 8 kmh)  
20%  
< 5 mph (< 8 kmh)  
20%  
Barometric Pressure: 83.8 kPA  
Barometric Pressure: 83.8 kPA  
TM  
WALKER MFG. CO. 5925 E. HARMONY ROAD, FORT COLLINS, CO 80528 (970) 221-5614  
FORM NO. 033108  
PRINTED IN USA  
©2008 WALKER MFG. CO  
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