Compact-Pro™ 44
Owner/Operator Manual
Manuel Du Propriétaire/Utilisateur
Models
991072 – Compact-Pro 44
03993700 11/09
Printed in USA
ENGLISH
FRANÇAIS
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• Record Unit Model and Serial numbers
here.
DEALER DELIVERY
Dealer should:
1. Test brakes after unit is assembled to be
sure adjustment has not been disturbed
in shipment (See Parking Brake
brakes are properly adjusted at factory.
• Record Engine Model and Serial numbers
here.
2. Check the safety interlock system to
make sure that it is functioning properly.
With operator on seat, unit must not start
unless steering levers are in neutral (N)
and Power Takeoff (PTO) is disengaged
(Off). Engine must stop if operator
leaves seat when steering levers are in
any drive position or PTO is engaged
(On). See Safety Interlock System on
page 12.
3. Fill out Original Purchaser Registration
Card and return the card to Gravely.
4. Explain Limited Warranty Policy.
5. Explain recommended lubrication and
maintenance. Advise customer on
adjustments. Instruct customer on
PRODUCT REGISTRATION
The Gravely dealer must register the product
at the time of purchase. Registering the
product will help the company process
warranty claims or contact you with the latest
service information. All claims meeting
requirements during the limited warranty
period will be honored, whether or not the
product registration card is returned. Keep a
proof of purchase if you do not register your
unit.
controls and operation of unit. Discuss
and emphasize the Safety Precautions.
Give customer Owner/Operator, Parts,
and Engine Manuals. Advise customer
to thoroughly read and understand them.
Customer Note: If the Dealer does not
register your product, please fill out, sign and
return the product registration card to Gravely
Customer Note: Your Dealer has been
provided complete set-up and preparation
instructions which must be completed prior to
you taking delivery of this unit. The dealer is
required to review important information in
this manual with you before or upon delivery
of the unit or attachment.
UNAUTHORIZED REPLACEMENT
PARTS
Use only Gravely replacement parts. The
replacement of any part on this equipment
with anything other than a Gravely authorized
replacement part may adversely affect the
performance, durability, and safety of this unit
and may void the warranty. Gravely disclaims
liability for any claims or damages, whether
regarding warranty, property damage,
personal injury or death arising out of the use
of unauthorized replacement parts.
NOTE: To locate your nearest Gravely
DISCLAIMER
Gravely reserves the right to discontinue,
change, and improve its products at any time
without public notice or obligation to the
purchaser. The descriptions and
specifications contained in this manual were
in effect at printing. Equipment described
within this manual may be optional. Some
illustrations may not be applicable to your
unit.
GB - 3
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SAFETY
WARNING: This cutting machine
WARNING: POTENTIALLY
HAZARDOUS SITUATION! If not
avoided, COULD RESULT in
death or serious injury.
is capable of amputating hands
and feet and throwing objects.
Failure to observe the safety
instructions in the manuals and
on decals could result in serious
injury or death.
CAUTION: POTENTIALLY
HAZARDOUS SITUATION! If not
avoided, MAY RESULT in minor or
moderate injury. It may also be
used to alert against unsafe
practices.
Slopes are a major factor related
to loss-of-control and tip-over
accidents. Operation on all slopes
requires extra caution.
Tragic accidents can occur if the
operator is not alert to the
presence of children. Never
assume that children will remain
where you last saw them.
NOTATIONS
NOTE: General reference information for
proper operation and maintenance practices.
Gasoline is extremely flammable
and the vapors are explosive,
handle with care.
IMPORTANT: Specific procedures or
information required to prevent damage to
unit or attachment.
Disengage attachment, stop unit
and engine, remove key, engage
parking brake, and allow moving
parts to stop before leaving
operator’s position.
PRACTICES AND LAWS
Practice usual and customary safe working
precautions, for the benefit of yourself and
others. Understand and follow all safety
messages. Be alert to unsafe conditions and
the possibility of minor, moderate, or serious
injury or death. Learn applicable rules and
laws in your area, including those that may
restrict the age of the operator.
SAFETY ALERT
SYMBOL
These are safety alert
symbols. They mean:
•ATTENTION!
•YOUR SAFETY IS
INVOLVED!
OL1253
REQUIRED OPERATOR
TRAINING
Original purchaser of this unit was instructed
by the seller on safe and proper operation. If
unit is to be used by someone other than
original purchaser (loaned, rented or sold),
ALWAYS provide this manual and any
When you see this symbol:
•BECOME ALERT!
•OBEY THE MESSAGE!
OL3900
needed safety training before operation.
SIGNAL WORDS
The safety alert symbols above and signal
words below are used on decals and in this
manual.
SAFETY DECALS AND
LOCATIONS
ALWAYS replace missing or damaged Safety
Decals. Refer to Figure 2 for Safety Decal
locations.
Read and understand all safety messages.
DANGER: IMMINENTLY
HAZARDOUS SITUATION! If not
avoided, WILL RESULT in death
or serious injury.
GB - 4
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6
2
5
1
4
3
2
OF4340
Figure 2
•
If machine stops going uphill, stop
blade and back down slowly.
Avoid sudden turns.
Keep safety devices (guards, shields,
switches, etc.) in place and working.
1. DANGER! TO AVOID SERIOUS
INJURY OR DEATH
•
•
Read Owner/Operator Manual.
•
•
•
Check interlock system per manual
before use.
Understand location and function of all
controls.
Never allow operation by untrained
persons.
OL1801
Keep children and others away
from unit while operating.
2. DANGER! ROTATING PARTS
Always keep feet and hands
away from rotating parts.
OL4370
Never direct discharge toward
other people. Thrown objects
can cause injury. Remove
objects that could be thrown by
the blade.
OL3030
Always stand clear of discharge
OL0910
area. Do not direct discharge
toward other people.
Look down and behind before
and while backing.
OL0910
Keep people away from unit
while operating.
OL4460
Keep children out of work area
and under watchful care of a
responsible adult.
OL3292
OL4470
Shut off engine, remove key,
read manual before you adjust
or repair unit.
NEVER CARRY CHILDREN.
OL4010
OL4480
NO STEP! Always keep feet
away from rotating parts.
Go up and down slopes, not
across.
DO NOT operate on slopes
over 17°.
OL4420
OL4450
GB - 5
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3. WARNING!
Do not operate mower unless guards are in
operating position or bagger is attached.
SAFETY RULES
Read, understand, and follow all safety
practices in Owner/Operator Manual before
beginning assembly. Failure to follow
instructions could result in personal injury
and/or damage to unit.
Always stand clear of discharge
area.
ALWAYS remove key and/or wire from spark
plug before assembly. Unintentional engine
start up can cause death or serious injury.
OL4430
Do not operate mower unless
bagger is attached or guards
are in operating position.
Complete a walk around inspection of unit
and work area to understand:
• Work area • Your unit • All safety decals
Determine which attachments are needed
and can be used safely.
OL3320
Inspect unit before each use for: missing or
damaged decals and shields, correctly
operating safety interlock system, and
deterioration of grass catchers. Replace or
repair as needed.
4. HOT SURFACES!
DO NOT touch parts which
are hot from operation.
ALWAYS allow parts to cool.
ALWAYS check overhead and side
clearances carefully before operation.
ALWAYS be aware of traffic when operating
along streets or curbs.
OS0731
Keep children and people away.
5. ROTATING PARTS
Keep children out of work area and under
watchful care of a responsible adult.
AVOID INJURY. Stay clear of
rotating parts.
Keep area of operation clear of all toys, pets,
and debris. Thrown objects can cause injury.
OF3450
Check for weak spots on docks, ramps or
floors. Avoid uneven work areas and rough
terrain. Stay alert for hidden hazards or traffic.
6. DANGER!
AVOID INJURY. Stay clear of
rotating parts.
DO NOT operate near drop-offs, ditches, or
embankments. Unit can suddenly turn over if
a wheel is over the edge of a cliff or ditch, or if
an edge caves in.
OL4730
Data indicates that operators, age 60 and
above, are involved in a larger percentage of
riding mower related injuries. These
operators should evaluate their ability to
operate the riding mower safely enough to
protect themselves and others from serious
injury.
Read the entire Owner/Operator manual and
other training material. If the operator or the
mechanic cannot read the manual, it is the
owner’s responsibility to explain it to them.
Only the user can prevent and is responsible
for accidents or injuries occurring to
themselves, other people or property.
Only trained adults may operate or service
unit. Training includes actual operation.
Local regulations may restrict the age of the
operator.
NEVER allow children to operate or play on
or near unit. Be alert and shut off unit if
children enter area.
GB - 6
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NEVER operate unit after or during the use of
medication, drugs or alcohol. Safe operation
requires your complete and unimpaired
attention at all times.
Start and operate unit only when seated in
operator’s position. Steering control levers
must be in neutral, PTO disengaged and
parking brake set when starting engine.
DO NOT wear loose clothing or jewelry and
tie back hair that may get caught in rotating
parts.
Use care when approaching blind corners,
shrubs, trees or other objects that may
obscure vision.
Wear adequate outer garments.
Dust, smoke, fog, etc. can reduce vision and
cause an accident. Mow only in daylight or
good artificial light.
NEVER wear open sandals or canvas shoes
during operation. Wear adequate safety gear,
protective gloves and footwear.
Avoid slippery surfaces. Always be sure of
your footing.
Wear proper footwear to improve footing on
slippery surfaces.
DO NOT mow on wet grass. Reduced
traction could cause sliding and effect the
machine’s stability.
Always wear safety goggles or safety glasses
with side shields when operating mower.
Watch for traffic when operating near or
crossing roadways.
Moving parts can cut or amputate fingers or a
hand. Wrap blade(s) or wear gloves to
service. On multiblade mowers, rotation of
one blade will cause all blades to rotate.
Never carry passengers.
DO NOT try to stabilize the machine by
putting your foot on the ground.
NEVER place your hands or any part of your
body or clothing inside or near any moving
part while unit is running.
Never direct discharge towards persons or
property that may be injured or damaged by
thrown objects. Use extreme caution on
gravel surfaces.
ALWAYS keep hands and feet away from all
rotating parts during operation. Rotating parts
can cut off body parts.
Always stand clear of the discharge area.
ALWAYS keep body and hands away from
pin holes or nozzles which eject hydraulic
fluid under pressure.
ALWAYS disengage PTO, stop unit and
engine, remove key, engage parking brake
and allow moving parts to stop before leaving
operator’s position.
DO NOT touch parts which are hot. Allow
parts to cool.
Never engage PTO while raising attachment
or when attachment is in raised position.
ALWAYS keep hands and feet away from all
pinch points.
DO NOT operate at too fast a rate. DO NOT
change engine governor settings or over-
speed engine. Slow down before turning.
Fumes from the engine exhaust can cause
death or serious injury. DO NOT run engine in
an enclosed area. Always provide good
ventilation.
DO NOT operate in reverse unless absolutely
necessary. ALWAYS look down and behind
before and while backing.
Read, understand, and follow all instructions
in the manual and on the machine before
starting. Understand:
Stop and inspect equipment if you strike an
object or if there is an unusual vibration.
Repair, if necessary, before restarting. Never
make adjustments or repairs with the engine
running.
•
•
•
•
•
How to operate all controls
The functions of all controls
How to STOP in an Emergency
Braking and steering characteristics
Turning radius and clearances
Mower blades are sharp and can cut you.
Wrap the blade(s) or wear gloves, and use
extra caution when servicing them. NEVER
weld or straighten mower blades.
Keep safety devices or guards in place and
functioning properly. NEVER modify or
remove safety devices.
Rotation of one blade may cause rotation of
the other blades.
Do not operate without either entire grass
catcher or the discharge guard in place.
Take all possible precautions when leaving
unit unattended. Shut off engine. Remove
wire from spark plug and secure it away from
spark plug.
Stop engine before removing grass catcher or
unclogging chute.
Ensure Safety Interlock System is functioning
properly. DO NOT operate unit if safety
interlock is damaged or disabled.
ALWAYS remove key to prevent unauthorized
use.
GB - 7
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Know the weight of loads. Limit loads to those
you can safely control and the unit can safely
handle.
This product is equipped with an internal
combustion type engine. DO NOT use unit on
or near any unimproved, forest-covered or
brush covered land unless exhaust system is
equipped with a spark arrester meeting
applicable local, state or federal laws. A spark
arrester, if it is used, must be maintained in
effective working order by operator.
Disengage PTO when attachment is not in
use. ALWAYS turn off power to attachment
when travelling, crossing driveways, etc.
Mow up and down slopes, not across them.
DO NOT operate on slopes of more than 17
degrees.
Fuel is highly flammable and its vapors are
explosive. Handle with care. Use an
approved fuel container.
Use of a Rollover Protection System (ROPS)
is recommended for slope operation. See
Attachments and Accessories.
NO smoking, NO sparks, NO flames.
ALWAYS allow engine to cool before
servicing.
Always wear a seat belt when operating unit
using a Rollover Protection System (ROPS).
Keep all movements on the slope slow and
gradual. Do not make sudden changes in
speed or direction.
NEVER fill fuel tank when engine is running
or hot from operation.
NEVER fill or drain fuel tank indoors.
Replace fuel cap securely and clean up
spilled fuel.
Avoid starting or stopping on the slope. If tires
lose traction, disengage the blades and
proceed slowly straight down the slope.
Never fill containers inside a vehicle or on a
truck or trailer bed with a plastic liner. Always
place containers on the ground away from
your vehicle before filling.
If you cannot back up a slope or you feel
uneasy on it, do not mow it.
DO NOT park on slopes unless necessary.
When parking on slope always chock or block
wheels. Always set parking brake.
When practical, remove gas-powered
equipment from the truck or trailer and refuel
it on the ground. If this is not possible, then
refuel such equipment on a trailer with a
portable container, rather than from a
gasoline dispenser nozzle.
Use a slow speed. Tires may lose traction on
slopes even though the brakes are
functioning properly.
Do not bypass transmission when on a slope.
Keep the nozzle in contact with the rim of the
fuel tank or container opening at all times until
fueling is complete. Do not use a nozzle lock-
open device.
Tow only with a machine that has a hitch
designed for towing. Do not attach towed
equipment except at the hitch point.
Follow the manufacturer’s recommendations
for weight limits for towed equipment and
towing on slopes.
If fuel is spilled on clothing, change clothing
immediately.
Avoid Electric Shock. Objects contacting both
battery terminals at the same time may result
in injury and unit damage. DO NOT reverse
battery connections.
NEVER allow children or others in or on
towed equipment.
On slopes, the weight of the towed equipment
may cause loss of control.
Reverse connections may result in sparks
which can cause serious injury. Always
connect positive (+) lead of charger to
positive (+) terminal, and negative (-) lead to
negative (-) terminal.
Travel slowly and allow extra distance to stop.
Use extra care when loading or unloading
unit onto trailer or truck.
Secure unit chassis to transport vehicle.
NEVER secure from rods or linkages that
could be damaged.
ALWAYS disconnect negative (-) cable FIRST
and positive (+) cable SECOND. ALWAYS
connect positive (+) cable FIRST, and
negative (-) cable SECOND.
DO NOT transport machine while engine is
running.
Explosive Gases from battery can cause
death or serious injury. Poisonous battery
fluid contains sulfuric acid and its contact with
skin, eyes or clothing can cause severe
chemical burns.
ALWAYS turn off power to attachment and
shut off fuel when transporting unit.
Keep unit free of debris. Clean up oil or fuel
spills.
No flames, No sparks, No smoking near
battery.
GB - 8
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ALWAYS wear safety glasses and protective
gear near battery. Use insulated tools.
NEVER store unit with fuel in fuel tank, inside
a building where any ignition sources are
present.
DO NOT TIP battery beyond a 45° angle in
any direction.
Shut off fuel and allow engine to cool
completely before storing in closed area or
covering unit.
ALWAYS keep batteries out of reach of
children.
Clean grass and debris from unit, especially
from around muffler and engine, to help
prevent fires.
Battery posts, terminals and related
accessories contain lead and lead
compounds, chemicals known to the State of
California to cause cancer and reproductive
harm. Wash hands after handling.
For extended storage, shut off fuel and clean
unit thoroughly. See engine manual for proper
storage.
ALWAYS block wheels and know all jack
stands are strong and secure and will hold
weight of unit during maintenance.
Lower cutting deck unless a positive
mechanical lock is used.
Release pressure slowly from components
with stored energy.
Use only attachments or accessories
designed for your unit.
NEVER attempt to make any adjustments to
unit while engine is running (except where
specifically recommended). Stop engine,
remove key or spark plug wire and wait for all
moving parts to stop before servicing or
cleaning.
Check all hardware at regular intervals,
especially blade attachment bolts. Keep all
hardware properly tightened.
Check attachment components frequently. If
worn or damaged, replace with
manufacturer’s recommended parts.
Check parking brake operation frequently.
Adjust and service as required.
ALWAYS maintain unit in safe operating
condition. Damaged or worn out muffler can
cause fire or explosion.
Maintain or replace safety and instruction
labels, as necessary.
GB - 9
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ASSEMBLY
2
1
WARNING: AVOID INJURY.
1
Read and understand entire
3
Safety section before proceeding.
UNIT ASSEMBLY
Package Contents:
Unit, Mower Deck and Literature Pack
Preparation Checklist
Refer to the Owner/Operator manual as
required.
1. Unpack Unit - Remove shrink wrap and
packaging materials.
2. Remove Unit From Container - Open
Bypass Valves (dump valves) (See
Moving the Unit with the Engine Off on
page 16).
Push unit from container onto a level
surface. Close the bypass valves.
1. Steering
Levers
2. Seat
3. Mounting
Hardware
OF4110
Figure 3
3. Tires - See Specifications on page 31.
6. Battery - Remove battery from unit and
charge (See Battery on page 22).
7. Check Engine Crankcase - Check and
add oil if needed. See Engine Manual for
specifications.
8. Fill Engine Fuel Tank - Add clean fuel to
the fuel tank.
NOTE: See engine manual for fuel type.
9. Hardware - Check for loose hardware.
10. Check Safety Interlock System - Check
to see that the interlock system operates
correctly (See Safety Interlock System
on page 12).
CAUTION: Avoid injury! Explosive
separation of tire and rim parts is
possible when they are serviced
incorrectly:
•
Do not attempt to mount a
tire without the proper
equipment and experience
to perform the job.
•
•
Do not inflate the tires
above the recommended
pressure.
Do not weld or heat a wheel
and tire assembly. Heat can
cause an increase in air
pressure resulting in an
explosion. Welding can
structurally weaken or
deform the wheel.
WARNING: FAILURE OF
INTERLOCK together with
•
Do not stand in front or over
the tire assembly when
inflating. Use a clip-on
chuck and extension hose
long enough to allow you to
stand to one side.
11. Lubrication - Lubricate all fittings per
maintenance label under seat and check
hydrostat oil level (See Lubricate Unit on
page 23).
12. Level Deck - Check unit to ensure deck
level set at factory has been maintained
(See Leveling the Mower Deck on
page 28).
4. Seat - See Seat Adjustments on
page 13 and Service Position on
page 18.
5. Position Steering Levers - Remove
eccentric spacers and rotate steering
levers to the operating position. Reinstall
spacers. Tighten hardware securely.
See Aligning the Steering Levers
(Figure 14) on page 24.
13. Check Function of all Controls - Ensure
unit runs and performs properly.
WARNING: FAILURE OF
CONTROLS could result in death
or serious injury.
GB - 10
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CONTROLS AND FEATURES
16
10
15
3
1
9
13
11
4
7
14
6
8
12
5
OM4090
OM4085
OF4035
OF4095
Figure 4
1. Fuel Tanks and Caps
2. Steering Levers
3. Hydraulic Oil Reservoir
4. Ignition Switch
9. Battery
10. Fuel Shut Off Valve
11. Mower Lift Pedal
12. Mower Deck
5. Hour Meter
6. Throttle Lever
7. Choke Control
13. Mower Lift Lock
14. Seat Adjustment Lever
15. Parking Brake
8. Power Take Off (PTO) Switch
16. Bypass Valve Lever
GB - 11
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OPERATION
Steering Levers
WARNING: AVOID INJURY.
Read and understand entire
Safety section before proceeding.
B
D
A
CONTROLS AND FEATURES
See Figure 4 for Controls and Features
locations.
Safety Interlock System
C
WARNING: Safety interlock
system failure and improper
operation of unit can result in
death or serious injury. Test this
system each time the unit is
operated. If this system does not
function as described, do not
operate until repairs are made.
The steering levers control speed and
direction. In addition, they will stop the unit.
A. For reverse travel, pull both steering
control levers backward.
B. For straight forward travel, push both
steering control levers forward.
C. To turn left, pull the left back or push
the right steering control lever forward
or a combination of both.
Perform the following tests to ensure the
safety interlock system is working properly. If
the unit does not perform as stated, contact
your Gravely dealer for repairs.
D. To turn right, pull the right back or
push the left steering control lever
forward or a combination of both.
NOTE: When the parking brake is engaged,
the steering levers are locked in neutral.
To stop, return both steering levers to neutral.
Test Steering PTO Parking
Levers Brake
Engine
NOTE: The steering controls are
mechanically locked in neutral whenever the
parking brake is engaged.
STARTING INTERLOCK
NOTE: Aggressive turning can scuff or
damage lawns. ALWAYS keep both wheels
rotating when making sharp turns. DO NOT
make turns with inside wheel completely
stopped. To obtain minimum turning radius,
slowly reverse inside wheel while moving
outside wheel slowly forward.
1
2
Neutral Off
Neutral On
Engaged Starts
Engaged Doesn’t
Start
3
Neutral Off
Dis-
Doesn’t
engaged Start
Ignition Switch
OPERATING INTERLOCK (ENGINE ON)
Operate the ignition switch
with the removable key.
The switch has three
positions: Off (1), On (2)
and Start (3). To start the
4* Neutral On
5* Neutral Off
Engaged Shuts Off
Dis-
Shuts Off
engaged
* Operator lifts off seat.
engine, turn the key to
OF1750
Start, then release to On.
To stop the engine, turn
the key to Off.
Parking Brake Interlock System
With the parking brake engaged, the steering
levers must be locked in neutral.
Choke Control
With the parking brake disengaged, the
engine must not start and the engine must
shut off if the operator leaves the seat.
Push the choke lever
forward to start a cold
engine. Pull the choke
lever to the rear when the
engine gets warm.
GB - 12
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Put cutting height adjustment pin in desired
hole. Push mower lift pedal forward and hold
it while pushing down on the lift lock. Slowly
lower mower lift pedal until deck lift contacts
cutting height adjustment pin.
Throttle Lever
The throttle lever changes
the engine speed. Move
the throttle lever to Fast (1)
to increase engine speed.
Move the lever to Slow (2)
to decrease engine speed.
1
Fuel Shut-Off Valve
Use this valve to control
fuel flow from left or right
fuel tank.
Open the valve to operate
the engine. Turn the valve
to "Off" when storing or
transporting the unit.
2
OF1700
Parking Brake Lever
1. Pull lever up to engage
parking brake.
2. Push lever down to
disengage parking brake.
Bypass Valve Lever
Drive
Pull the lever back to set
the pump in neutral and
move the unit with the
engine off.
OF1740
Push the lever in to set the
pump in the drive position
and operate the unit.
Seat Adjustments
WARNING: Make all seat
adjustments with unit stationary,
parking brake on and engine shut
off.
Neutral
ON
Power Take Off (PTO)
Switch
Power take off (PTO)
switch engages and
disengages the mower
blades.
To adjust seat forward or backward:
1. While seated, pull seat adjustment lever
outward and slide seat into desired
position.
2. Release lever and slide seat forward or
back to lock seat into position.
Pull the power take off
(PTO) switch to "On"
position to engage mower
blades.
Hour Meter
Press and release the toggle button to shift
between different functions.
OE0261
OFF
Press and hold the toggle button to reset the
timer or clear a service message.
Push the power take off
(PTO) switch to "Off" position to disengage
mower blades.
The hour meter has three functions:
Hour Meter: measures the amount of time
the engine has been run. This time cannot be
cleared.
NOTE: The engine will not start unless the
steering control levers are in the neutral
position, the PTO switch is in the “Off”
position and parking brake is set.
Timer (TMR1): measures the time spent on
individual jobs.
Mower Lift Pedal
Press and hold the toggle button to reset the
timer to zero. TMR1 will then start measuring
engine run time until it is reset to zero again.
OF1700
Service Alert (Chg Oil, Chg H Oil & Filter,
SVC Airfilter): reminds operators of the
maintenance interval for changing the engine
oil, changing the hydraulic oil and filter and
servicing the air filter.
Mower lift pedal raises and lowers mower
deck for mowing or transport.
Transport:
Push mower lift pedal all the way forward until
lift lock engages.
Cutting Height:
GB - 13
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The alert starts counting down two hours
before the maintenance is due. The meter
flashes the word, "Now," when it reaches the
maintenance time.
GASOLINE
IMPORTANT: ALWAYS use gasoline that
meets the following guidelines:
•
•
Clean, fresh gasoline.
Press and hold the toggle button to reset the
maintenance clock to zero after perfoming
the service.
A minimum of 87 octane/87 AKI (91
RON). High altitude use may require a
different octane. Consult your engine
manual.
NOTE: The hour meter is preprogrammed for
the initial oil change at 25 hours and for 100
hours thereafter. The hour meter is
programmed for the initial hydraulic oil and
filter change at 75hours and for 400 hours
thereafter.
•
•
Gasoline with up to 10% ethanol
(gasohol) or up to 15% MTBE (methyl
tertiary butyl ether) is acceptable.
Use of any gasoline other than those
approved above may void the engine
warranty. If the pumps are not marked
for the content of alcohol or ethers,
check ethanol and MTBE levels with
the fuel supplier.
Display
•
•
Do not modify the fuel system to use
different fuels.
Never mix oil and gasoline.
NOTE: All gasoline is not the same. If the
engine experiences starting or performance
problems after using a new gasoline, switch
to a different fuel provider or fuel brand.
IMPORTANT: Excessively oxygenated or
reformulated fuels (fuels blended with
alcohols or ethers) can damage the fuel
system or cause performance problems. If
any undesirable operating problems occur,
use a gasoline with a lower percentage of
alcohol or ether.
Toggle Button
FILLING FUEL TANK
Fuel Stabilizer
WARNING: AVOID INJURY.
Read and understand entire
Safety section before proceeding.
Gasoline left in the fuel system for extended
periods without a stabilizer will deteriorate,
resulting in gum deposits in the system.
These deposits can damage the carburetor
and the fuel hoses, filter and tank. Prevent
deposits from forming in the fuel system
during storage by adding a quality fuel
stabilizer to the fuel. Follow the
Add fuel to Fuel Tank as needed. See your
Engine Manual for correct type and grade of
fuel.
To add fuel to the fuel tank:
1. Place unit in an open or well-ventilated
open area.
recommended mix ratio found on the fuel
stabilizer container.
2. Stop the engine and allow it to cool.
PRE-START
3. Clean the fuel cap and the area around
the fuel cap to prevent dirt from entering
the fuel tank. Remove the cap from the
fuel tank.
4. Fill the fuel tank to within 1 in. (25 mm)
below bottom of filler neck.
CAUTION: Make sure all
hardware is tight, all safety
devices are in place and all
adjustments are made correctly.
5. Replace fuel cap and tighten.
6. Clean up any spilled fuel.
1. Check Safety Interlock System
If this system does not function as described
do not operate until repairs are made.
2. Check Air Cleaner
Check air filter for dirt. Clean as required.
Follow Engine Manual Maintenance
Schedule.
GB - 14
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Oil
Check and add fuel if required. Check that
engine crankcase oil is full. Follow Engine
Manual Maintenance Schedule.
1. Bring the steering levers to neutral.
Disengage the PTO and engage the
parking brake.
2. Move the throttle lever to the “Slow”
position.
4. Check Tire Pressure
3. Turn the ignition key to the “Off” position.
See Specifications on page 31 for correct tire
pressure.
TO MOW WITH UNIT
Operate the unit only when seated in the
operator’s position.
5. Check Hydraulic Fluid Level
See Check Hydraulic Fluid Level on page 19.
6. Adjust Seat
1. Start the engine. Let the engine warm
until it is running smoothly.
Be sure all controls can be reached safely
from operator’s position.
2. Release parking brake.
WARNING: Move the steering
control levers slowly and keep the
throttle control lever at slow
speed until you learn how to
operate the unit.
7. Set Cutting Height
Make sure the deck is set to the correct
cutting height.
STOPPING IN AN EMERGENCY
The unit can be stopped immediately at any
time by turning the ignition key to the "Off"
position.
3. Bring the steering levers to neutral.
4. Slow the engine down to about 3/4
speed.
5. Turn ON the PTO switch to engage the
mower.
STARTING AND SHUT OFF
IMPORTANT: Never engage the PTO if the
mower is plugged with grass or other
material. This may cause damage to the
electric clutch.
CAUTION: Read entire
Owner/Operator Manual, Clutch
Manual, and Engine Manual first.
DO NOT attempt to start engine
at this time.
6. Move throttle control to fast.
7. Move the steering levers forward to
obtain a slow ground speed.
To start the engine:
8. To disengage the mower, move the PTO
switch to the “Off” position.
9. When you know how to operate the unit,
select a speed appropriate to your
mowing conditions.
1. Make sure the steering levers are in
neutral.
2. Put the PTO switch in the “Off” position.
3. Engage parking brake.
4. If the engine is cold, move the choke
control to the “On” position. If the engine
is warm or hot, do not use choke.
PARKING
To park the unit:
1. Bring the steering levers to neutral. Turn
off PTO.
2. Move the throttle lever to the “Slow”
position.
3. Engage the parking brake.
4. Lower the attachment.
5. Turn the ignition key to the “Off” position
and remove the key.
5. Move the throttle to 3/4 “Fast” position.
See Engine Manual for detailed
instructions.
6. Put the ignition key in the switch and
turn it to the “Start” position.
7. As soon as the engine starts, release the
key.
8. Move the choke control to the “Off”
position from the “Choke” position. Wait
until the engine is running smoothly
before operation.
GB - 15
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MOVING THE UNIT WITH THE
ENGINE OFF
IMPORTANT: Never tow unit.
FOR BEST PERFORMANCE
Cut grass when it is dry.
Keep mower blades sharp.
Keep mower deck properly levelled.
Adjust anti-scalp rollers to prevent scalping.
1. Shut OFF engine.
2. Place seat in the service position (See
Service Position on page 18).
3. Pull the right and left bypass levers to
the neutral position.
Do not set height of cut too low. For very tall
grass, mow twice.
Do not travel too fast.
Mow with the engine set at full throttle.
WARNING: Do not bypass
transmission when on a slope.
When mulching, only remove 1/3 of grass
length per cutting. Do not cut more than 1
inch (2.54 cm) at any one time.
4. Disengage parking brake.
5. Push unit to desired location.
6. Engage parking brake.
7. Push the right and left bypass levers to
the drive position.
Discharge clippings into areas already cut.
Vary cutting pattern with each mowing.
Do not allow grass or debris to collect inside
of mower deck. Clean after each use.
Push Lever In to Drive Position
Pull Lever Out to the Neutral Position
OF4105
OF4110
Figure 5
GB - 16
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MAINTENANCE SCHEDULE
Proper maintenance can prolong the life of
unit. The following charts show the
recommended service schedule. More
frequent service may be required due to
working conditions (heavy loads, high
ambient temperatures, dusty conditions, or
airborne debris).
WARNING: AVOID INJURY.
Read and understand entire
Safety section before proceeding.
See the maintenance instructions in the
Engine Manual for additional information.
Period Service
Task
Check Safety Interlock
WARNING: Safety interlock system
failure and improper operation of unit can
system each time the unit is operated. If
this system does not function as
described, do not operate until repairs are
made. See Safety Interlock System on
page 12.
Check Parking Brake
Interlock System
See Parking Brake Interlock System on page 12.
Check Hydraulic Fluid
Check hydraulic oil level mark on cap/dipstick. Add
20W50 engine oil as needed. Do not overfill. See
Check Hydraulic Fluid Level on page 19.
Check Tires
See Specifications on page 31 for correct tire
pressure.
CAUTION: Avoid injury! Explosive
separation of tire and rim parts is possible
when they are serviced incorrectly:
Each
Use
•
Do not attempt to mount a tire without the
proper equipment and experience to
perform the job.
•
•
Do not inflate the tires above the
recommended pressure.
Do not weld or heat a wheel and tire
assembly. Heat can cause an increase in air
pressure resulting in an explosion. Welding
can structurally weaken or deform the
wheel.
•
Do not stand in front or over the tire
assembly when inflating. Use a clip-on
chuck and extension hose long enough to
allow you to stand to one side.
Clean Unit
Clean engine, battery, seat, mower deck, etc. of dirt
and debris. Do not use solvents, hard cleaners, or
abrasives.
IMPORTANT: Do not spray the unit with water,
especially when the unit is warm from operation.
Water can seep into bearings and damage them.
NOTE: Protect painted surfaces with automotive
type wax.
GB - 17
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Period Service
Task
Follow Engine Manual
Maintenance Schedule
Perform scheduled engine maintenance. Refer to
engine manual for detailed instructions.
Each
Use
Check Mower Blades
Every
25
Hours
Check Air FIlter
Lubricate Unit
Check Brake Gap
Clean Battery
Check air filter for dirt. Clean as required. Follow
Engine Manual for maintenance schedule.
Every
50
Hours
Oil all pivot points and pin connections. Grease
lube fittings. See Lubricate Unit on page 23.
Adjust gap if necessary. See Adjusting the Parking
Brake on page 25.
Keep battery and its terminals clean. See Clean
Battery on page 22.
Check Fasteners
Check Belts
Check mower blade mounting hardware and all
other fasteners. Replace missing or damaged
fasteners. Tighten all nuts and bolts to their correct
torque value.
Every
100
Hours
Replace worn or deteriorated belts. See Replacing
Mower Belts on page 26 and Replacing the Hydro
Pump Belt on page 27.
Change Hydraulic Fluid
and Filter*
Drain hydraulic fluid tank, replace hydraulic oil filter,
refill system. See Hydraulic Fluid on page 19.
Every
400
Hours
*Change hydraulic fluid and filter after the first 75 hours of operation and then
every 400 hours.
SERVICE AND ADJUSTMENTS
Gravely Dealers will provide any service which
may be required to keep your unit operating at
peak efficiency. Should engine service be
required, it can be obtained from a Gravely
Dealer or the engine manufacturer’s
authorized service center.
SERVICE POSITION
1. Place unit on a flat level surface.
ALWAYS stop engine. Ensure unit is
secure and will not tip over. Strap and
clamp onto lift if used.
2. Place steering levers in neutral and
engage parking brake.
3. Remove wing knob.
4. Tip seat forward (Figure 6).
WARNING: AVOID INJURY.
Read and understand entire
Safety section before proceeding.
CAUTION: Be sure footing is
secure to accomodate weight
shift of seat when rotating it into
service position.
CAUTION: HOT SURFACES
may result in injury. DO NOT
touch engine or drive parts which
are hot from operation. Allow
parts to cool before servicing.
5. When service is complete, lower seat
and secure with wing knob or hex nut.
GB - 18
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To Add Hydraulic Fluid:
1. Remove the cap from the expansion
tank.
1
2
2
2. Fill the expansion tank with 20W-50
engine oil with an SL API classification
the tank.
3. Install the expansion tank cap and then
purge the system. See Purging the
Hydraulic System on page 20.
3
The hydraulic fluid should be at the cold
fill line of the expansion tank.
4
OF4310
1. Service Position
2. Steering Levers
3. Parking Brake
4. Battery
Figure 6
HYDRAULIC FLUID
WARNING: HYDRAULIC FLUID
can result in severe burns. Fluid
in hydraulic system can penetrate
skin and result in serious injury or
death.
Be sure to stop the engine before
doing any work on hydraulic
parts.
Figure 7
Change Hydraulic Fluid and Filter
NOTE: Change hydraulic fluid and filter after
the first 75 hours of operation and then every
400 hours. Use 20W-50 engine oil with an SL
API classification.
1. Place container under oil filter to catch
oil.
Keep body and hands away from
pin holes or nozzles which expel
hydraulic fluid when under
pressure. Use paper or
cardboard, not hands, to search
for leaks.
2. Remove the filter guard and oil filter from
the transaxle.
Ensure all hydraulic fluid
connections are tight and all
hydraulic hoses and lines are in
good condition before applying
pressure to system.
3. Remove the oil drain plug or fitting from
the inlet port and allow the transaxle to
drain completely.
4. Clean the filter mounting surface and
then lubricate rubber gasket on new oil
filter with clean hydraulic oil.
5. Spin new oil filter onto filter housing until
it makes contact. Tighten oil filter
another 3/4 turn.
6. Install the filter guards removed in
step 2. Tighten the mounting screws to
65 lbf-in (7.3 N•m).
FOREIGN FLUID INJECTED
INTO BODY can result in
gangrene. Fluid must be
surgically removed within a few
hours by a doctor familiar with
this form of injury.
7. Fill with 20W-50 engine oil with an SL
API classification until oil appears at the
bottom of the drain plug (about 2 quarts
per transaxle). Install the drain plug and
tighten it to 180 lbf-in (20.3 N•m).
8. Repeat steps 1–7 for the other
transaxle.
Check Hydraulic Fluid Level
Check the system with the unit cold and
parked on a flat, level surface.
Then run the unit for about one minute and
recheck the levels.
GB - 19
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9. Follow the instructions in To Add
Hydraulic Fluid: on page 19.
MOWER BLADES
Remove
1
2
CAUTION: Use sturdy gloves or
padding to protect hands when
working with mower blades.
1. Turn the engine off. Remove the ignition
key. Remove the ignition wire from the
spark plugs.
3
2. Remove the bolts, cup washer, and
blades from the spindle shafts.
Replace
1. Put the blades, cup washers, and the
bolts back on the spindle shafts.
2. Tighten the bolts to a torque of
115-160 lbf-ft (156-217 N•m).
4
1. Drain Plug
2. Oil Filter
3. Filter Guard
3. Replace the ignition wire on the spark
plugs.
4. Mounting Hardware
Figure 8
Purging the Hydraulic System
WARNING: This adjustment
requires operating the engine.
Use extreme care to avoid
contact with moving parts and hot
surfaces. Be sure rear of unit is
well supported and secure before
starting engine.
2
3
1. With the unit up to and facing a wall, jack
up the unit so that both drive wheels are
off the ground.
2. Disengage the parking brake and put the
transaxle bypass levers in the neutral
position. See Moving the Unit with the
Engine Off on page 16.
3. Start the engine and slowly move the
steering levers in forward and reverse
five or six times.
1. Blade
4. Stop the engine and put the transaxle
bypass levers in the drive position. See
Moving the Unit with the Engine Off on
page 16.
2. Cup Washer
3. Bolt
Figure 9
5. Start the engine and slowly move the
steering levers in forward and reverse
five or six times.
6. Stop the engine, check the oil level and
add oil as needed.
7. Repeat steps 2–6 until the transaxles
operate smoothly in forward and reverse
at normal speeds without excessive
noise.
GB - 20
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Sharpen the Mower Blades
DO NOT Sharpen to This Pattern
2
CAUTION: DO NOT sharpen
mower blades while on unit. An
unbalanced mower blade will
cause excessive vibration and
eventual damage to unit. Check
mower blade balance before
reinstalling blades.
1
NEVER weld or straighten bent
blades.
1. Remove mower blade from unit.
Discard mower blade if:
DISCARD if More Than
1/2 in. (1.27 cm)
•
More than 1/2 in. (1.27 cm) of metal is
removed.
1
•
•
Air lifts become eroded.
Blade is bent or broken.
2. Sharpen mower blade by removing an
equal amount of material from each end
of mower blade. DO NOT change angle
of cutting edge or round the corner of the
mower blade.
3. Check mower blade balance.
3
OT0792
Slide mower blade on an unthreaded
bolt. A balanced blade should remain in
a horizontal position. If either end of
mower blade moves downward, sharpen
the heavy end until blade is balanced.
4
Sharpen to This Pattern
4. Install mower blade(s) on unit.
5. Tighten the bolts to a torque of
115-160 lbf-ft (156-217 N•m).
1. Cutting Edge
2. Square
Corner
3. Air Lift
Erosion
4. Air Lift
Figure 10
GB - 21
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BATTERY
2
WARNING: AVOID INJURY.
1
3
Read and understand entire
Safety section before proceeding.
WARNING: Battery posts,
terminals and related accessories
contain lead and lead
compounds, chemicals known to
the State of California to cause
cancer and reproductive harm.
Wash hands after handling.
OF1671
Unit comes equipped with a maintenance-
free battery that requires no regular
maintenance except cleaning the terminals.
1. Negative
terminal
2. Positive
terminal
3. Battery
Figure 11
Remove Battery
1. Shut OFF engine. Engage parking
brake. Remove the ignition key.
2. Place seat in the service position (See
Maintenance Schedule on page 17).
3. Disconnect cables from battery
(negative, then positive) (Figure 11).
4. Remove hold down and remove battery.
1. Remove battery from unit. See Remove
Battery on page 22.
2. Clean terminals and battery cable ends
with wire brush.
3. Coat terminals with dielectric grease or
petroleum jelly.
4. Replace battery. See Replace Battery on
page 22.
Replace Battery
Charging the Battery
1. Replace battery and secure with battery
hold down.
2. Reconnect cables to battery (positive,
then negative). Position boot over
positive terminal.
Battery Electrolyte First Aid
Follow First Aid directions for contact with
battery fluid.
3. Return seat to operating position.
•
•
External Contact: Flush with water.
Eyes: Flush with water for at least 15
minutes and get medical attention
immediately!
Internal Contact: Drink large quantities
of water. Follow with Milk of Magnesia,
beaten egg or vegetable oil. Get
medical attention immediately!
Clean Battery
Keep battery and its terminals clean. Inspect
every 100 operating hours or monthly for best
performance.
•
In case of internal contact, DO NOT induce
vomiting!
IMPORTANT: DO NOT fast charge. Charging
at a higher rate will damage or destroy
battery. ONLY use an automatic charger
designed for use with your battery.
ALWAYS follow information provided on
battery by battery manufacturer. Contact
battery manufacturer for extensive
instructions to charge battery.
1. Remove battery from unit. See Remove
Battery on page 22.
2. Place battery on bench or other well-
ventilated place.
GB - 22
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3. Connect positive (+) lead of charger to
positive (+) terminal, and negative (–)
lead to negative (–) terminal.
4. Charge battery according to charger and
battery manufacturers’ instructions.
4. Start the engine, run engine at full
throttle, and release the parking brake.
5. Move the steering levers from Forward
to Reverse several times to make sure
controls are free. Then return steering
levers to neutral position.
5. Replace battery. See Replace Battery on
page 22.
6. Check wheel(s) for movement.
NOTE: The right and left hydraulic pumps are
Jump-Starting
adjusted the same way.
Gravelydoes not recommend jump-starting
your unit. Jump-starting can damage engine
and electrical system components. See your
engine manual for more detailed information.
7. If a wheel moves, adjust the return to
neutral mechanism on the hydraulic
pump:
a. Loosen the return to neutral screw
on the pump.
LUBRICATE UNIT
Apply oil at all pivot points and pin
connections.
b. Slowly move the speed and
direction control bracket clockwise
or counterclockwise until the
wheel stops moving.
c. Hold the stop bracket in position
and tighten the return to neutral
screw on the pump.
1
8. Move steering levers from Forward to
Reverse several times and return
steering levers to neutral position.
Check wheel(s) for movement.
OF1794
9. If wheel is still moving, repeat steps 7
and 8.
10. Shut OFF engine.
R
E
F
LUBRICA- QTY LOCATION INTER-
TION
REPACK
OIL
VAL
11. Replace drive wheels.
1
2
CASTER
PIVOT
400 Hrs
Axle Direction
ALL PIVOT 50 Hrs
POINTS, PIN
CONNEC-
Return to Neutral
Adjusting Screw
TIONS
Figure 12
STEERING CONTROL NEUTRAL
ADJUSTMENT
Eliminating Excessive Creeping of
the Unit (Figure 13)
Speed and
Direction
Control Arm
WARNING: This adjustment
requires operating the engine.
Use extreme care to avoid
contact with moving parts and hot
surfaces. Be sure rear of unit is
well supported and secure before
starting engine.
Figure 13
1. If hydraulic system is cold, run unit for a
minimum of five minutes, then shut OFF
engine.
2. With the unit up to and facing a wall, jack
up the unit so that both drive wheels are
off the ground.
3. Remove the drive wheels from the unit.
GB - 23
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Aligning the Steering Levers
(Figure 14)
1. Shut OFF engine. Engage parking
brake. Remove the ignition key.
2. Place seat in the service position (See
Service Position on page 18).
ADJUSTING THE UNIT TO TRACK
STRAIGHT
WARNING: Prior to adjusting the
tracking of the unit, shut OFF
engine, engage parking brake,
and remove the ignition key.
3. Loosen brake interlock on the same side
as steering lever to be adjusted.
4. Loosen tie rod jam nuts and turn tie rod
until steering levers are aligned.
5. Tighten jam nut on tie rod, tighten brake
interlock.
Check and adjust tire pressure. Increase
pressure on side unit tracks to. DO NOT
exceed maximum recommended tire
tracking problem, adjust the limiter bolts on
the stop bracket (Figure 15). Front bolts
adjust forward and rear bolts adjust reverse.
Lengthen the limiter bolt (move closer to
lever) on side which is too fast.
3
1
2
3
2
2
1
1
4
4
1. Limiter Bolt
2. Jam Nut
3. Steering
Lever
4. Stop
Bracket
5
1
Figure 15
1. Tie-Rod Jam
4. Brake
Nut
Interlock
2. Tie-Rod
3. Steering
Lever
5. Hydrostatic
Transmission
Figure 14
OF3381
GB - 24
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ADJUSTING THE HEIGHT OF THE
STEERING LEVER HANDLES
The handles have three height positions
(Figure 16).
ADJUSTING THE PARKING
BRAKE
The parking brake should not need
adjustment, however if the parking brake
does not hold the unit properly, the brake may
need adjustment.
Check Adjustment
NOTE: Be sure to check the parking brake on
both sides of the unit (Figure 17).
2
1. Engage parking brake and set both
transmission bypass valves to the
neutral position. See Moving the Unit
with the Engine Off on page 16.
1
2. Push the unit forward.
Position # 1
Position # 2
Position # 3
If the unit easily rolls forward the
transmission brakes are not fully
engaging. Tighten the brake cable to
fully engage the brake lever on the
transmission.
3
Adjust the Parking Brake
1. Disengage the parking brake.
2. Loosen the nuts on the parking brake
cable adjuster and then turn the adjuster
until the cable is taut, not tight.
4
3. Engage the parking brake and check the
adjustment. Repeat as needed.
4. Tighten the nuts.
NOTE: Set both bypass valves to the drive
position when finished adjusting the brake.
1. Spacer
2. Handle
3. Eccentric
Spacer
4. Steering Lever
OF0004
Figure 16
1
1. Shut OFF engine. Engage parking
brake. Remove the ignition key.
2. Remove the spacer, handle, and
eccentric spacer from the steering lever.
2
NOTE: Position the right and left handles at
the same height position.
3. Install the spacer, handle, and eccentric
spacer in the appropriate height position.
Do not tighten the nut holding the
eccentric spacer.
4. Turn the eccentric spacer until the right
and left handles are the same height.
Tighten nut.
3
1. Parking Brake Cable
2. Adjuster
3. Nuts
Figure 17
GB - 25
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Replacing Mower Belts
NOTE: Long mower belt must be removed to
remove short mower belt.
PTO BELT
WARNING: MOVING PARTS can
cut or amputate body parts.
ALWAYS wait for moving parts to
stop before performing
CAUTION: Use care when
releasing idler spring tension.
Keep body parts well away from
operation.
maintenance or service.
CAUTION: DAMAGED OR
WORN BELTS may result in
injury and/or damage to unit.
Check belts for excessive wear or
cracks often.
1. Slowly release the tension on the long
mower belt idler until all the tension is
removed from the springs.
2. Remove long mower belt from left blade
spindle and remove from deck.
from the springs.
4. Remove short mower belt from right
blade spindle and from deck. Idler pivot
idler pulley (Figure 19).
PTO Belt Access
1. Properly stop and park unit (See
Operation on page 12).
2. Lower the mower.
3. Place seat in most rearward position.
4. Remove belt covers.
5. Place foot board in open position
(Figure 18).
5. Arrange new mower belt(s) on deck
(short belt first). Retighten short mower
belt idler pivot bolt. Install belts on
sheaves. Put belts onto center sheave
last.
2
1
6. Replace belt covers and return foot
board to closed position.
3
2
3
5
4
1. Footboard in
open position
2. Support Frame
3. Pivot
1
7
Figure 18
6
1. PTO Mower Belt
2. Mower Drive Belt
3. Springs
4. Mower Drive Belt Idler
5. PTO Mower Belt Idler
6. Mower Clutch Sheave
7. Center Sheave
Figure 19
GB - 26
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Replacing the Hydro Pump Belt
1. Properly stop and park unit (See
Operation on page 12).
2. Remove the PTO belt from the mower
clutch sheave (See Replacing Mower
Belts on page 26).
MOWER DECKS
Anti-scalp Roller Adjustment
The anti-scalp rollers are set at the factory for
typical mowing height, but can be adjusted for
high or low cutting conditions (Figure 21).
Anti-Scalp rollers are intended to prevent
lawn scalping, not to control cutting height.
CAUTION: Use care when
releasing idler spring tension.
Keep body parts well away from
idlers when performing this
operation.
For a very high cutting height, set the anti-
scalp rollers in the lowest position on the
bracket.
For a very low cutting height, set the anti-
scalp rollers in the highest position on the
bracket.
3. Slowly release the tension on the hydro
pump belt idler until all the tension is
removed from the springs.
4. Remove old hydro pump belt from right
hand hydrostat sheave first (Figure 20).
5. Install new hydro pump belt by
positioning belt on sheaves. Put belt
onto right hand hydrostat sheave last.
6. Replace long mower belt on mower
clutch sheave. See Replacing Mower
Belts on page 26.
NOTE: There are four anti-scalp rollers on
the outside of the mower deck and four anti-
scalp rollers on the inside of the mower deck.
Make sure all anti-scalp rollers are set at the
same height.
Lowest Cutting
Height
1
2
Highest
Cutting
Height
OF3590
Figure 21
6
Removing the Mower Deck
1. Remove PTO belt (See Replacing
Mower Belts on page 26).
5
3
WARNING: AVOID INJURY.
Mower lift arms and mower lift
pedal could cause severe injury if
they are not locked before
removing the mower deck.
ALWAYS lock mower deck lift
before removing the deck.
7
8
4
OF1631
2. Lock the mower deck in the service
position.
1.Hydro Belt
2.Spring
3.Idler
4.Engine Sheave
5.Right Hand
Hydrostat
6.Left Hand
Hydrostat
7.Clutch
8.Clutch Anchor
Figure 20
GB - 27
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Push the mower lift pedal forward
between cutting height number 4 and
number 5 to align the holes in the deck
lift shaft and the deck lift cover. Insert the
cutting height pin in the holes on the side
of the deck lift cover so it passes all the
way through the deck lift cover and
shaft.
Installing the Mower Deck (Figure 22)
1. Slide mower deck under unit.
2. Connect mower mounting arms to deck
with mower mounting pins.
3. Install link chains on the mower lift arms
in the same holes they were removed
from.
4. Install PTO mower belt (See Replacing
Mower Belts on page 26).
5. Level mower deck (See Leveling the
Mower Deck on page 28).
IMPORTANT: The mower lift arms are not
locked unless the cutting height adjustment
pin passes all the way through both the deck
lift cover and shaft.
Leveling the Mower Deck
NOTE: Support the mower deck on blocks or
jack stands before disconnecting link chains
from mower lift arms to prevent the deck from
falling.
These adjustments should be made on a
level surface with the tires inflated to the
correct air pressure.
3. Remove link chains from mower lift
arms. Note hole location on mower lift
arms for replacement.
4. Remove the mower mounting pins
connecting the mower mounting arms to
the deck.
Check Blade Level and Pitch
1. Raise mower deck to a 3 in. (7.62 cm)
cutting height.
2. Shut off engine. Engage parking brake.
Remove the ignition key.
NOTE: Place blocks under the bottom edge
of the deck, not under the reinforcement bar
welded along deck face.
5. Slide mower deck out from under unit.
3. Place blocks at each corner of the deck
to support the weight of the deck.
1
left to right across the width of the deck.
5
5. Measure the distance between the
ground and cutting edge of the blade on
the left blade (Left position in Figure 23)
and on the right blade (Right position in
Figure 23). Distances should be within
3/16 in. (4.7 mm). If they are not, raise
the low side of the deck using the height
adjusters on the deck lift brackets (see
Figure 24).
1
2
2
3
6. After deck is level side to side, check the
deck front to back pitch.
4
7. Turn the blades so the blade ends point
front to back as shown in Figure 23.
8. Measure the distance between the
ground and the cutting edge of the
middle blade at the front of the deck
(Front position in Figure 23) and
between the ground the cutting edge of
the left and right blades at the rear of the
deck (Rear position in Figure 23).
9. The cutting edge at the front of the deck
(Front position in Figure 23) should be
1/8 in. (3.18 mm) lower than the cutting
edges at the rear of the deck (Rear
position in Figure 23).
10. If measurements are out of range, raise
the low side of the deck using the height
adjusters on the deck lift brackets (see
Figure 24). Be sure to raise the deck
evenly to keep the deck level side to
side.
1. Mower Lift
Arm
4. Mower
Mounting Pin
2. Link Chain
3. Mower
5. Mower Lift
Arms Locked
Mounting Arm
Figure 22
OF3765
GB - 28
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NOTE: Pitching the front of the blades lower
than the rear provides a balance between cut
quality and the power needed to cut grass.
Certain cutting conditions require the deck to
be pitched with the rear of the blades lower
than the front. Heeling the deck this way
requires more engine power but can provide
better cut quality.
Height Adjusters
11. Remove the blocks from under the deck.
Blade Side-to-Side Level
DO NOT place blocks under
reinforcement bar.
Figure 24
CLUTCH ADJUSTMENT
Left
Right
If clutch fails to engage or disengage properly
or begins to make abnormal noise, check the
air gap adjustment at the three inspection
slots.
Blade Front-to-Back Pitch
Front
To check:
1. Stop engine, remove key and wait for all
hot parts to cool.
2. Measure the air gap between the
armature and the rotor.
Minimum: A .016" feeler gauge should
slide between armature and rotor with
slight contact.
Rear
Rear
Maximum: A .020" feeler gauge should
slide between armature and rotor with
slight contact.
Figure 23
3. Repeat for each inspection slot.
To adjust:
Adjust Blade Height
Level and pitch the mower with the height
adjusters on each deck lift bracket
(Figure 24).
1. If necessary, loosen gap adjustment
nuts until a .016" feeler gauge fits
between armature and rotor.
2. Slide a .020" feeler gauge between
armature and rotor.
3. Tighten gap adjustment nut until there is
slight contact on feeler gauge.
4. Repeat steps 1 – 3 at each inspection
slot.
Loosen the jam nut on the deck lift
bracket bolt about 1/4 turn to reduce
clamp load on the height adjusters.
Loosen the jam nut on the deck adjuster
bolt and then turn the bolt clockwise to
raise the deck or counterclockwise to
lower the deck. Tighten both jam nuts.
NOTE: Adjust air gap as evenly as possible.
5. Start unit, engage and disengage PTO.
6. Shut off unit.
7. Recheck air gap and adjust if needed.
GB - 29
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1. Add fuel stabilizer according to
manufacturers’ instructions.
4
2. Run engine for at least 10 minutes after
adding stabilizer to allow it to reach the
carburetor.
NEVER store the engine with fuel in the fuel
tank inside of a building with potential
sources of ignition.
4
1
3
2
1. Armature
2. Rotor
4. Gap
To Take the Unit Out of Storage
1. Refer to the engine service manual to
prepare the engine for service.
2. Put fresh, clean fuel in the fuel tank.
3. Begin the maintenance schedule.
4. Charge and install the battery.
Adjustment
Nut
3. Inspection
OG1500
Figure 25
Slot
STORAGE
ACCESSORIES
Part No.
Description
WARNING: AVOID INJURY.
79100300 Mulching Kit 44" Decks
79206700 Striper Kit
Read and understand entire
Safety section before proceeding.
79100600 Discharge Cover Kit
79202700 Headlight Kit
SHORT TERM
NEVER spray unit with high-pressure water
or store unit outdoors.
Decks
Inspect unit for visible signs of wear,
breakage or damage.
89100200 CZ-HD 2-Bag Bagger
89100300 HD Series Bagger
Keep all nuts, bolts and screws properly
tightened and know unit is in safe working
condition.
Store unit in a cool, dry protected area.
SERVICE PARTS
LONG TERM
Part No.
Qty Description
Clean unit thoroughly with mild soap and low
pressure water and lubricate (See Lubricate
Unit on page 23 in Maintenance). Touch up
all scratched painted surfaces.
21548200
21535800
21545100
21536100
21538400
07200026
07211500
1
1
2
2
1
1
1
Air Filter
Engine Oil Filter
Hydraulic Oil Filter
Spark Plug
Remove weight from wheels by putting
blocks under frame or axle.
When storing unit for extended periods of
time, remove all fuel from tank and carburetor
(run dry). Refer to Engine Manual.
Fuel Filter
PTO Belt - 44” Decks
Clean and charge the battery. Charge battery
every three to four weeks when storing unit.
Traction (Hydro Pump)
Belt
Fuel System
00450200
1
Blade - 44” /48” Decks
Gasoline left in the fuel system for extended
periods without a stabilizer will deteriorate,
resulting in gum deposits in the system.
These deposits can damage the carburetor
and the fuel hoses, filter and tank. Prevent
deposits from forming in the fuel system
during storage by adding a quality fuel
stabilizer to the fuel. Follow the
recommended mix ratio found on the fuel
stabilizer container.
To treat the fuel system for storage:
GB - 30
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SPECIFICATIONS
Model Number
Model
991072
Compact-Pro 44
Kawasaki
Engine
Engine Model Number
Engine Displacement - in3 (cc)
FX600V
36.8 (603)
3600 ± 100
Governed RPM (May be different
from maximum RPM)
Liquid or Air Cooled
Speed
Air
Forward Maximum – mph (km/h)
Reverse Maximum – mph (km/h)
Turning Radius
Brakes
7.0 (11.3)
4.0 (6.4)
Zero
Hydro - Parking
Electrical
Starter
Electric
Battery
12-Volt Maintenance Free
Electric PTO Clutch/Brake
Power Take-Off
Fuel
Fuel Type
Refer to Engine Manual
7 (26.5)
Fuel Tank Capacity – gal. (L)
Transmission
Type
Hydrostatic Drive
Transmission Oil
Use 20W-50 engine oil with an SL API
classification
Hydraulic Oil Filter
Yes
Size and Weight
Length – in. (cm)
71.5 (181.6)
46.8 (118.9)
42 (106)
Width (With Chute Up) – in. (cm)
Height – in. (cm)
Weight – lbs (kg)
861 (390.5)
Tires
Front Tire Size – in.
13 x 5-6
Rear Tire Size – in.
20 x 10-10
Front Tire Pressure – psi (kPa)
Rear Tire Pressure – psi (kPa)
Mower Deck
20 - 25 (138 -172)
15 -18 (103 -124)
Mower Deck Lift
Mechanical
44 (111.8)
Cutting Width – in. (cm)
Cutting Height – in. (cm)
Cutting Height Increments – in. (cm)
Maximum Towing Capacity – lbs (kg)
Maximum Tongue Weight – lbs (kg)
1 - 5 (2.5 - 12.7)
0.5 (1.25)
500 (227)
50 (23)
GB - 31
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Two-Year Limited Lawn and
Garden Commercial Warranty
Ariens Company (Ariens) warrants to the original purchaser that Ariens and Gravely brand products
manufactured by Ariens and designated or labeled commercial products by Ariens will be free from defects in
material and workmanship for a period of two years after the date of purchase or 1000 hours of use,
whichever comes first. An authorized Ariens dealer (Ariens brand products) or Gravely dealer (Gravely brand
products) will repair any defect in material or workmanship, and repair or replace any defective part, subject
to the conditions, limitations and exclusions set forth herein. Such repair or replacement will be free of charge
to the original purchaser (labor and parts), except as noted below.
Limited Lifetime Warranty on Mower Deck Shell
The deck shell is warranted to the original purchaser against any defect in material or workmanship
for as long as the original purchaser owns the product. Any defect in material or workmanship of the
deck shell will be repaired free of charge (parts and labor) to the original purchaser for two years or
1000 hours of use, whichever comes first. After two years or 1000 hours of use, the parts required to
repair a defect in material or workmanship of the deck shell, not the labor, will be provided free of
charge for as long as the original purchaser owns the product.
Limited Lifetime Warranty on Main Frame
The main frame is warranted to the original purchaser against any defect in material or workmanship
for as long as the original purchaser owns the product. Any defect in material or workmanship of the
main frame will be repaired free of charge (parts and labor) to the original purchaser for two years or
1000 hours of use, whichever comes first. After two years or 1000 hours of use, the parts required to
repair a defect in material or workmanship of the main frame, not the labor, will be provided free of
charge for as long as the original purchaser owns the product.
Three-Year Limited Warranty on Cast Iron Deck Spindles
Cast iron mower deck spindles are warranted to the original purchaser for three years from the date
of purchase. Any defect in material or workmanship of the cast iron mower deck spindles will be
repaired free of charge (parts and labor) to the original purchaser for two years after the date of pur-
chase. After two years, the parts required to repair a defect in material or workmanship of the cast iron
deck spindles, not the labor, will be provided free of charge.
Two-Year Limited Warranty on Aluminum Deck Spindles
Aluminum mower deck spindles are warranted to the original purchaser for two years from the date of
purchase. Any defect in material or workmanship of the aluminum mower deck spindles will be repaired
free of charge (parts and labor) to the original purchaser for two years after the date of purchase.
One-Year Limited Warranty on 21-inch Walk-Behind Lawn Mowers
21-inch walk-behind lawn mowers labeled or designated by Ariens as a Professional/Commercial prod-
uct put to any business use, agricultural, commercial, or industrial, are warranted to the original pur-
chaser to be free from defects in material and workmanship for a period of one year after the date of
purchase.
90-Day Limited Warranty on Service Parts and Accessories
Genuine Ariens or Gravely brand service parts and accessories are warranted to be free from defects
in material and workmanship for a period of 90 days after the date of purchase. An authorized Ariens or
Gravely dealer will repair or replace any such part or accessory free of charge, except for labor, during
that period.
If any product is rented or leased, then the duration of these warranties shall be 90 days after the date of
purchase.
ARIENS COMPANY
Com_Lawn_2010
GRAVELY® | STENS® | LOCKE® | NATIONAL® | BYNORM® | EVERRIDE® | GREAT DANE®
32
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Exceptions, Limitations, Exclusions
Customer Responsibilities
Register the product immediately at the time of sale. If the dealer does not register the product, the
To obtain warranty service, the original purchaser must:
•
Perform the maintenance and minor adjustments explained in the owner’s manual.
•
Promptly notify Ariens or an authorized Ariens or Gravely service representative of the need for
warranty service.
•
•
Transport the product to and from the place of warranty service.
Have the warranty service performed by an authorized Ariens or Gravely service representative.
To find an Ariens or Gravely authorized service representative, contact Ariens at:
655 W. Ryan Street
Brillion, WI 54110
(920) 756 - 2141
Limitations
•
Batteries are warranted only for a period of 12 months after date of purchase, on a prorated basis. For
the first 90 days of the warranty period, a defective battery will be replaced free of charge. If the
applicable warranty period is more than 90 days, Ariens will cover the prorated cost of any defective
battery, for up to 12 months after the date of purchase.
Exclusions – Items Not Covered by This Warranty
Engines and engine accessories are covered only by the engine manufacturer’s warranty and are not
covered by this warranty.
•
•
•
Parts that are not genuine Ariens or Gravely service parts are not covered by this warranty.
The following maintenance, service and replacement items are not covered by this warranty unless
they are noted in the Limitations section above: lubricants, spark plugs, oil, oil filters, air filters, fuel
filters, brake linings, brake arms, brake shoes, runners, scraper blades, shear bolts, mower blades,
mower vanes, headlights, light bulbs, knives, cutters.
•
•
•
Mufflers, belts and tires on Ariens and Gravely commercial lawn and garden products are not covered
by this warranty.
Any misuse, alteration, improper assembly, improper adjustment, neglect, or accident which requires
repair is not covered by this warranty.
This warranty applies only to products purchased in the United States (including Puerto Rico) and
Canada. In all other countries, contact place of purchase for warranty information.
Disclaimer
Ariens may from time to time change the design of its products. Nothing contained in this warranty shall be
construed as obligating Ariens to incorporate such design changes into previously manufactured products,
nor shall such changes be construed as an admission that previous designs were defective.
LIMITATION OF REMEDY AND DAMAGES
Ariens Company’s liability under this warranty, and under any implied warranty that may exist, is limited to
repair of any defect in workmanship, and repair or replacement of any defective part. Ariens shall not be
liable for incidental, special, or consequential damages (including lost profits). Some states do not allow the
exclusion of incidental or consequential damages, so the above limitation or exclusion may not apply to you.
DISCLAIMER OF FURTHER WARRANTY
Ariens Company makes no warranty, express or implied, other than what is expressly made in this
warranty. If the law of your state provides that an implied warranty of merchantability, or an implied
warranty of fitness for particular purpose, or any other implied warranty, applies to Ariens Company,
then any such implied warranty is limited to the duration of this warranty. Some states do not allow
limitations on how long an implied warranty lasts, so the above limitation may not apply to you.
This warranty gives you specific legal rights, and you may also have other rights which
vary from state to state.
ARIENS COMPANY
Com_Lawn_2010
GRAVELY® | STENS® | LOCKE® | NATIONAL® | BYNORM® | EVERRIDE® | GREAT DANE®
33
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GRAVELY
655 West Ryan Street
Brillion, WI 54110-1072
920-756-2141
Fax 920-756-2407
WARNING
The engine exhaust from this product
contains chemicals known to the State
of California to cause cancer, birth
defects or other reproductive harm.
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