C0
Scotts Lawn Tractors
S1642, S1742, and S2046
OPERATOR’S MANUAL
OMGX10784 C0
North American Version
Litho in U.S.A.
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PRODUCT IDENTIFICATION
Product Identification
DATE OF PURCHASE:
Record Identification Numbers
_________________________________________
DEALER NAME:
Scott’s Lawn Tractors
S1642, S1742, and S2046 PIN (020001 - )
_________________________________________
DEALER PHONE:
If you need to contact an Authorized Service Center for
information on servicing, always provide the product model
and serial number.
_________________________________________
You will need to locate the identification number for the
machine and for the engine. Record the information in the
spaces provided below.
A
PRODUCT IDENTIFICATION NUMBER (A), (under seat):
__ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __
Model S1742 and S2046
B
Model S1642
ENGINE SERIAL NUMBER (B), (on fan shroud):
__ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __ __
Product Identification
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ASSEMBLY
Assembly
Identify Parts
A
B
C
D
Operator’s Manual
c
CAUTION: Avoid injury! DO NOT attempt to
open, add fluid or service battery. Any attempt
to do so will void warranty and lead to possible
injury.
Safety Video
Bag of Hardware
Key
NOTE: Do not remove the BLACK negative (–)
protective cap at this time.
Bag of Hardware:
1. Remove and discard the RED positive (+) protective cap
from the positive (+) battery terminal.
•
•
2 - M8x16 Bolts - Battery
2 - M8x16 Nuts - Battery
Connect and Check Battery
C
A
c
CAUTION: Avoid injury! Prevent Battery
Explosions:
- Keep sparks, lighted matches, and open flame
away from the top of battery. Battery gas can
explode.
B
- Never check battery charge by placing a metal
object across the posts. Use a volt-meter or
hydrometer.
2. Connect RED positive (+) cable (A) to battery with 6mm
hex head bolt and 6 mm flange nut. Tighten securely. Apply
petroleum jelly or silicone spray to terminal to prevent
corrosion. Install the red terminal cover.
- Do not charge a frozen battery; it may
explode. Warm battery to 16° C (60° F)
3. Remove and discard the BLACK (–) protective cap from
the negative battery terminal.
IMPORTANT: Avoid damage! This battery comes
fully charged. If the mower is not used by the
Service Expiration Date indicated on the battery,
charge the battery. (See Charging the Battery in the
Service - Electrical section.)
4. Connect silver braided grounding cable (B) to the
negative (–) terminal (C) with remaining 6 mm hex head
bolt and 6 mm flange nut and tighten securely. Apply
petroleum jelly or silicone spray to terminal to prevent
corrosion.
42-Inch Mowers Only
c
CAUTION: Avoid injury! Never operate the
mower without the discharge chute guard in
place.
•
If tractor/mower deck is being set-up for mulching, install
mulch cover kit. (See Using Mower Deck Mulch Ready in
the Operating Mower section.)
•
If tractor/mower deck is being set-up for side discharger
or 2-bag bagger DO NOT install mulch cover kit. (See
Using Mower Deck Side Discharge OR Using Mower Deck
with Optional Equipment in the Operating Mower section.)
Assembly - 0
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ASSEMBLY
Checking Tire Pressure
c
CAUTION: Avoid injury! Explosive separation
of a tire and rim parts can cause serious injury
or death:
- Do not attempt to mount a tire without the
proper equipment and experience to perform
the job.
- Always maintain the correct tire pressure. Do
not inflate the tires above the recommended
pressure. Never weld or heat a wheel and tire
assembly. The heat can cause an increase in
air pressure resulting in a tire explosion.
Welding can structurally weaken or deform the
wheel.
- When inflating tires, use a clip-on chuck and
extension hose long enough to allow you to
stand to one side and NOT in front of or over
the tire assembly.
- Check tires for low pressure, cuts, bubbles,
damaged rims or missing lug bolts and nuts.
1. Check tires for damage.
2. Check tire pressure with an accurate gauge.
3. Add or remove air, if necessary:
Tire Size
Pressure-kPa (psi)
97 kPa (14 psi)
Front: 15-Inch
Rear: 20-Inch
69 kPa (10 psi)
Assembly - 1
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SAFETY SIGNS
Safety Signs
•
Avoid sudden turns
Safety-Alert Symbol
•
If machine stops going uphill, stop blade and back down
slowly
•
Keep safety devices (guards, shields, and switches) in
place and working
•
•
Read operator’s manual
When leaving machine:
–Stop engine
–Set park brake
–Remove key
DANGER/POISON
Read and recognize safety information. Be alert to the
potential for personal injury when you see this safety-alert
symbol.
SHIELD EYES.
EXPLOSIVE GASES CAN CAUSE BLINDNESS OR
INJURY.
On your machine safety labels, the words DANGER,
WARNING, and CAUTION are used with this safety-alert
symbol. DANGER identifies the most serious hazards.
NO
•
•
•
SPARKS
FLAMES
SMOKING
In this manual, the word CAUTION and this symbol call
attention to safety messages.
SULFURIC ACID CAN CAUSE BLINDNESS OR SEVERE
BURNS
Machine Safety Labels
FLUSH EYES IMMEDIATELY WITH WATER.
GET MEDICAL HELP FAST.
DANGER
AVOID SERIOUS INJURY OR DEATH
MAINTENANCE-FREE
KEEP OUT OF THE REACH OF CHILDREN. DO NOT TIP.
DO NOT OPEN BATTERY!
M96445
•
•
•
•
Do not mow when children or others are around
Do not mow in reverse
M96445
Look down and behind before and while backing
Never carry children even with blades off
Picture Note: Located on Battery under seat
DANGER
WARNING
ROTATING BLADE
AVOID SERIOUS INJURY OR DEATH
DO NOT PUT HANDS OR FEET UNDER OR INTO
•
Drive up and down slopes, not across
Safety Signs - 2
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SAFETY SIGNS
MOWER WHEN ENGINE IS RUNNING
authorized service centers. Contact your John Deere
Commercial and Consumer Equipment Retailer
concerning emission controls and component
questions.
THROWN OBJECTS
BEFORE MOWING, CLEAR AREA OF OBJECTS THAT
MAY BE THROWN BY BLADE
The presence of an emissions label signifies that the
engine has been certified with the United States
Environmental Protection Agency (EPA) and/or California
Air Resources Board (CARB).
DO NOT OPERATE MOWER WITHOUT DISCHARGE
CHUTE OR ENTIRE GRASS CATCHER IN PLACE
The emissions warranty applies only to those engines
marketed by John Deere that have been certified by the
EPA and/or CARB; and used in the United States and
Canada in off-road mobile equipment.
Emission Compliance Period
If your engine has the emission compliance category listed
on the emission control system certification or air index
label, this indicates the number of operating hours for which
the engine has been certified to meet EPA and/or CARB
emission requirements. The following table provides the
engine compliance period in hours associated with the
category found on the certification label.
M96445
Picture Note: Located on Right-Hand side of deck
DANGER
Agency
EPA
Category
Hours
250
ROTATING BLADE
C
DO NOT PUT HANDS OR FEET UNDER OR INTO
MOWER WHEN ENGINE IS RUNNING
EPA
B
500
EPA
A
1000
125
CARB
CARB
CARB
Moderate
Intermediate
Extended
250
500
Certification
Your mower has been certified by an independent
laboratory for compliance with American National Standard
B-71.1, “Safety Specifications” for Power Lawn Mowers,
Lawn and Garden Tractors, and Lawn Tractors.
M96445
Picture Note: Located on Left-Hand side of deck
Emission Control System Certification Label
NOTE: Tampering with emission controls and
components by unauthorized personnel may result in
severe fines or penalties. Emission controls and
components can only be adjusted by EPA and/or CARB
Safety Signs - 3
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CONTROLS
Controls
Tractor Controls - Automatic
Tractor Controls - Gear
A
M
B
L
I
C
E
A
B
K
J
D
H
C
D
G
I
H
F
F
E
G
A - Choke Knob (S2046)
B - Throttle/Choke Control (S1642 and S1742)
Throttle Control (S2046)
A - Throttle/Choke Control
C - Foot Pedal - Brake/Clutch/Return to Neutral
D - Reverse Implement Option Switch
E - Attachment Lift Lever
B - Foot Pedal - Brake/Clutch
C - Reverse Implement Option Switch
D - Attachment Lift Lever
E - Locking Lever
F - Locking Lever
G - Free Wheeling Knob
F - Transmission Shift Lever
G - Park Brake
H - Transmission Shift Lever (Hand Control Units
Only) Cruise Control Lever (Foot Control Units
Only)
H - PTO Drive Lever
I - Ignition Switch
I - Park Brake
J - Foot Pedal, Reverse (Foot Control Units Only)
K - Foot Pedal, Forward (Foot Control Units Only)
L - PTO Drive Lever
M - Ignition Switch
Controls - 4
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OPERATING MACHINE
Operating Machine
Rotating Blades are Dangerous - Protect
Children and Prevent Accidents
Operate Safely
PROTECT CHILDREN:
•
In addition to reading your Operator’s Manual, view your
Mowing Safety Video.
•
Check brake action before you operate. Adjust or
service brakes as necessary.
•
Never assume that children will remain where you last
saw them. Children are attracted to mowing activity, stay
alert to the presence of children.
•
Inspect machine before you operate. Be sure hardware
is tight. Repair or replace damaged, badly worn, or missing
parts. Be sure guards and shields are in good condition
and fastened in place. Make any necessary adjustments
before you operate.
•
Keep children in the house when you are operating the
machine.
•
•
Turn machine off if a child enters the mowing area.
Use extra care when you come to blind corners, shrubs,
•
Clear work area of objects that might be thrown. Keep
people and pets out of the work area. Stop machine if
anyone enters the area.
trees, or other objects that may block your vision.
DO NOT let children or an untrained person operate the
machine.
•
•
If you hit an object, stop the machine and inspect it.
Make repairs before you operate. Keep machine and
attachments properly maintained and in good working
order.
•
DO NOT carry or let children ride on machine or any
attachment even with the blades off. DO NOT tow children
in a cart or trailer.
•
•
•
DO NOT leave machine unattended when it is running.
Only operate during daylight or with good artificial light.
Be careful of traffic when operating near or crossing
HELP PREVENT SERIOUS OR FATAL ACCIDENTS:
•
Be alert at all times, drive forward carefully. People
especially children can move quickly into the mowing area
before you know it.
roadways.
•
Do not wear radio or music headphones while operating
•
Back carefully. Disengage mower blades and look
the machine. Safe operation requires your full attention.
behind the machine carefully, especially for children, before
you back up.
•
Older adults are involved in a large percentage of riding
mower accidents involving injury. These operators should
evaluate their ability to operate a mower safely enough to
protect the operator and others from serious injury.
•
DO NOT mow in reverse unless it is absolutely
necessary.
•
•
Disengage mower blades when you are not mowing.
DO NOT operate machine if you are under the influence
of drugs or alcohol.
Park Safely
•
•
•
•
•
•
•
Stop machine on a level surface, not on a slope.
Disengage mower blades.
Lower attachments to the ground.
Engage park brake.
STOP engine.
Remove key.
Before you leave the operator’s seat, wait for engine and
all moving parts to STOP.
Operating Machine - 5
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OPERATING MACHINE
•
Riders obstruct the operator’s view resulting in the
Avoid Tipping
machine being operated in an unsafe manner.
Wear Appropriate Clothing
•
•
DO NOT drive where machine could slip or tip.
Stay alert for holes and other hidden hazards in the
terrain.
•
Keep away from drop-offs.
•
Slow down before you make a sharp turn or operate on
a slope.
•
Wear close fitting clothing and safety equipment
appropriate for the job.
•
When pulling loads or using heavy equipment, use only
approved hitches, limit loads to those you can safely
control, and use counterweights or wheel weights when
required per this manual or your attachment manual.
•
Loud noise can cause impairment or loss of hearing,
wear a suitable protective device such as earplugs.
•
Drive up and down a hill—not across. Be careful when
you change direction on a slope.
Transport Safely
•
DO NOT stop when going up hill or down hill. If machine
stops going up hill, DISENGAGE mower blades and back
down slowly.
•
DO NOT mow wet grass. Reduced traction could cause
sliding.
•
DO NOT try to stabilize the machine by putting your foot
on the ground.
Keep Riders Off
•
Use safety lights and devices. Slow moving machines
when driven on public roads are hard to see, especially at
night. Avoid personal injury or death resulting from a
collision with a vehicle.
•
Whenever driving on public roads, use flashing warning
lights and turn signals according to local regulations. Extra
flashing warning lights may need to be installed.
Adjusting Seat
•
•
Only allow the operator on the machine. Keep riders off.
Riders on the machine or attachment may be struck by
1. Pivot seat forward on its mounting bracket.
foreign objects or thrown off the machine causing serious
injury.
Operating Machine - 6
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OPERATING MACHINE
A
A
B
M96454
Picture Note: Model with capscrew adjuster used
for illustration.
2. Loosen two cap screws (A) two turns.
3. Slide forward or rearward on mounting bracket to
desired position.
4. Tighten cap screws or knobs.
5. Lower seat.
1. Push and hold foot pedal (A) all the way down.
Using Slide Adjuster (S2046)
2. Move park brake lever (B) forward, then to the left to lock
position.
1. Pivot seat forward on its mounting bracket.
3. Remove foot from pedal. Pedal should not return to the
up position.
UNLOCKING PARK BRAKE
B
1. Push and hold foot pedal (A) all the way down.
2. Move park brake lever (B) to the right, then to the rear.
3. Remove foot from pedal. Pedal should return to the up
position.
2. Pull pin (B) and rotate pin to the locked position.
3. Slide seat forward or rearward to desired position.
4. Release pin, make sure pin engages in hole in frame.
Starting Engine
c
CAUTION: Avoid injury! Start engine ONLY
outdoors or in a well ventilated place. Exhaust
fumes are dangerous.
Using the Park Brake
IMPORTANT: Avoid damage! Do not operate starter
more than 20 seconds at a time, or you may damage
it. If engine does not start: Wait two minutes before
you try again. See Troubleshooting section.
c
CAUTION: Avoid injury! Always LOCK park
brake before getting off tractor or leaving
tractor unattended.
LOCKING PARK BRAKE:
NOTE: Engine will not start unless: PTO lever is
DISENGAGED, park brake is LOCKED or brake/clutch
pedal is pushed down. On GEAR model: The
transmission shift lever should be in N (NEUTRAL)
position.
Operating Machine - 7
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OPERATING MACHINE
Using Throttle Control
E
Always operate the engine at FULL (r)THROTTLE.
F
Operating the engine at less that full throttle reduces the
battery charging rate and reduces fan cooling efficiency of
the engine.
Full throttle offers the best bagging and mower
performance.
D
C
B
Cold Weather Starting Tips
Always use fresh winter grade fuel.
A
Do not crank engine for more than 30 seconds in any single
attempt.
During first minute of operation engine may be operated in
partial choke to allow smoother running. As engine warms
slowly reduce engine speed to the full throttle detent
position.
On Automatic Transmission
1. Gear units - Move transmission shift lever (A) to N
(NEUTRAL) position.
Allow engine to run for a few minutes before using tractor to
allow automatic transmission oil to warm. Sluggish
transmission response in cold weather indicates that oil has
not warmed to allow optimum performance.
Automatic units - If equipped with shift lever, move shift
lever to N (NEUTRAL) position. If equipped with foot pedal
controls, do not depress either pedal.
2. Lock the park brake (B).
Warming and Idling Engine
3. Pull PTO lever (C) all the way back to the rearward
(OFF) position.
WARMING ENGINE:
4. To start the engine:
•
Run Engine at half speed for 2–3 minutes.
•
S1642 and S1742 - Place the throttle lever (D) in the
IDLING ENGINE:
CHOKE (k) position. As the engine begins to run
smoothly, lower the throttle lever in small steps, allowing
the engine to accept changes in speed and load, until
the throttle lever is in the FAST (r) position.
•
S2046 - Place the throttle lever (D) the FAST (r)
A
position and pull out choke knob (E). As the engine
begins to run smoothly, push the choke knob in until fully
seated.
5. Turn ignition key (F) to start position to crank the engine.
Crank engine until it starts, but no longer than 5 seconds.
6. If engine starts, release key to run position. If engine
does not start, release key to run position and wait 10
seconds before cranking the engine again.
M96455
•
Engine is air-cooled and needs a large volume of air to
keep cool. Keep air intake screen (A) on top of engine
clean.
7. Let engine run for a couple of minutes to warm-up
before operating tractor.
•
Avoid unnecessary engine idling.
Operating Machine - 8
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OPERATING MACHINE
Stopping Engine
A
A
D
E
C
C
B
B
1. Push foot pedal (A) all the way forward to the BRAKE
position.
1. Push down on foot pedal (A).
2. Move shift lever (B) to the right and forward to desired
FORWARD position.
2. Gear units - Move transmission shift lever (B) to N
(NEUTRAL) position.
3. Slowly release foot pedal to engage machine drive.
TO TRAVEL IN REVERSE:
Automatic units - If equipped with shift lever, move shift
lever to N (NEUTRAL) position. If equipped with foot pedal
controls, release either pedal and unit will automatically
return to neutral. If cruise control is engaged, move lever to
OFF position.
NOTE: The engine and mower will stop as the shift
lever is moved to the R (REVERSE) position with
mower engaged.
3. Pull PTO lever (C) all the way back to the rearward
(OFF) position.
1. Push foot pedal (A) all the way down to STOP tractor.
2. Pull PTO lever (C) all the way back to the rearward
(OFF) position.
4. Move throttle lever (D) to SLOW (t) position. Let engine
run at low throttle a few seconds.
3. Look behind the vehicle to be sure there are no
bystanders nearby.
5. Turn key (E) to OFF position.
6. Remove key.
4. Move shift lever (B) to the right and rearward to the R
(REVERSE) position.
7. LOCK the park brake.
5. Release foot pedal slowly.
FOR EMERGENCY STOPPING:
1. Push foot pedal (A) fully to stop machine.
Using Travel Controls - Gear
c
CAUTION: Avoid injury!
Using Travel Controls - Automatic
• Before moving forward or rearward, make sure
area is clear of bystanders, especially children.
• Disengage mower or attachment before
backing up.
TO TRAVEL FORWARD:
Operating Machine - 9
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OPERATING MACHINE
1. Units with Shift Lever (A) - Move transmission shift
lever (A) reward into the R (REVERSE) position. The speed
of the tractor is determined by how far forward the shift
lever is moved.
c
CAUTION: Avoid injury!
• Before moving forward or rearward, make
sure area is clear of bystanders, especially
children.
Units with Foot Controls (C) - Depress reverse pedal (C).
The speed of the tractor is determined by how far down the
pedal is pressed.
• Disengage mower or attachment before
2. Pull PTO lever (C) all the way back to the rearward
(OFF) position.
backing up.
To Travel Forward:
3. Look behind the vehicle to be sure there are no
bystanders nearby.
FOR EMERGENCY STOPPING:
1. Units with Shift Lever (A) - Push down on foot pedal
(E). Transmission shift lever (A) will automatically return to
NEUTRAL position and brakes will be applied.
D
E
B
Units with Foot Controls (C) - If cruise control is engaged,
move lever to OFF position. Release either pedal (B or C)
and unit will automatically return to neutral and STOP. Push
down on brake/clutch pedal (E). Brakes will be applied to
assist in stopping.
C
A
Using Cruise Control
c
CAUTION: Avoid injury! DO NOT use cruise
control when going down hills. Tractor speed
will increase. Operate tractor in a large, open
area to learn how the cruise control works
IMPORTANT: Avoid damage! When cruise control is
not in use, hand lever should be returned manually,
all the way rearward to OFF position. Otherwise,
hand lever will restrict travel of reverse pedal linkage
and reverse speed of tractor will be too slow.
1. Units with Shift Lever (A) - Move transmission shift
lever (A) to the right and forward. The speed of the tractor is
determined by how far forward the shift lever is moved.
Units with Foot Controls (B) - Depress forward pedal (B).
The speed of the tractor is determined by how far down the
pedal is pressed.
Use cruise control when you want to maintain travel speed
without having to hold the forward travel pedal down.
Cruise control operates only for forward travel.
TO TRAVEL IN REVERSE:
IMPORTANT: Avoid damage! To prevent
transmission damage, stop tractor movement before
changing direction of travel.
When cruise control is not in use, hand lever should
be returned manually, all the way rearward to OFF
position. Otherwise, hand lever will restrict travel of
reverse pedal linkage and reverse speed of tractor
will be too slow.
NOTE: The engine and mower will stop as the drive
lever is moved to the R (REVERSE) position with
mower engaged.
Operating Machine - 10
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OPERATING MACHINE
ENGAGE CRUISE CONTROL:
1. Stop the machine FORWARD travel with mower
engaged. On foot control models, be sure cruise control
lever is all the way rearward in the OFF position.
2. Look behind the vehicle to be sure there are no
bystanders.
B
A
A
1. Start with the cruise control lever (A) in the OFF
position.
2. Move cruise control lever forward, at the”t” position the
tractor will begin to move forward.
3. Push and hold in the reverse implement switch (A)
while:
3. Continue to move cruise control lever forward toward the
“r” position and the tractor will increase in speed.
•
Automatic - move drive lever to the rear or press
4. Move cruise control lever to the desired speed and
release lever.
reverse pedal.
•
Gear - move the gear shift lever to the R (REVERSE)
position.
DISENGAGE CRUISE CONTROL:
NOTE: If the engine and mower stop while
repositioning the machine, return mower engagement
lever to the OFF position and restart the machine. (See
Starting The Engine in this section.) Begin again with
Step 2.
NOTE: Depressing brake/clutch pedal (B) will return
cruise control lever to the OFF position.
1. Move the cruise control lever to the OFF position.
4. As the machine begins to move rearward, release the
reverse implement switch and reposition the machine.
Using Reverse Implement Option
5. Resume FORWARD travel. The mower should continue
operating.
c
CAUTION: Avoid injury! Before moving forward
or rearward, make sure area is clear of
bystanders, especially children.
6. Repeat Steps 1 through 5 to reposition the machine
again.
NOTE: Operating the mower while backing up is
strongly discouraged. The Reverse Implement Option
should be used ONLY when operating another
attachment or when the operator deems it necessary to
reposition the machine with the mower engaged.
Operating Machine - 11
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OPERATING MACHINE
Pushing Machine
Testing Safety Systems
IMPORTANT: Avoid damage! Avoid transmission
damage, DO NOT tow machine.
c
CAUTION: Avoid injury! Engine exhaust fumes
can cause sickness or death.
To move machine when engine is STOPPED:
If it is necessary to run an engine in an
enclosed area, remove the exhaust fumes from
the area with an exhaust pipe extension.
If you do not have an exhaust pipe extension,
open the doors and get outside air into the
area.
Use the following checkout procedure to check for normal
operation of machine.
If there is a malfunction during one of these procedures,
DO NOT operate machine. (See your Authorized Service
Center for service.)
A
B
C
Perform these tests in a clear open area. Keep bystanders
away.
NOTE: Your Lawn Tractor is equipped with a
ELECTRONIC SAFETY INTERLOCK. Engine will not
start unless: PTO lever is DISENGAGED. Brake pedal is
depressed OR parking brake is set.
Test 1
1. Operator on seat.
•
•
Unlock the park brake (A).
2. Unlock the park brake.
GEAR MODEL: Put transmission shift lever (B) in N
(Neutral).
•
AUTOMATIC MODEL: Pull out on free-wheeling lever
(C).
A
•
Push machine to desired location.
NOTE: AUTOMATIC MODEL: Push free-wheeling lever
(C) IN before operating tractor.
Daily Operating Checklist
•
•
•
•
•
Test safety systems.
3. Pull PTO lever (A) back to DISENGAGE.
4. Try to start engine.
Check tire pressure.
Check fuel level.
5. Engine MUST NOT start. If engine starts, there is a
problem with your safety interlock circuit. (See your
Authorized Service Center.)
Check engine oil level.
Remove grass and debris from machine.
Operating Machine - 12
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OPERATING MACHINE
Test 2
Test 4
1. Operator on seat.
1. Operator on seat.
2. Lock the park brake.
2. Push brake pedal down.
A
A
C
3. Push PTO lever (A) forward to ENGAGE.
4. Try to start engine.
B
5. Engine MUST NOT start. If engine starts, there is a
problem with your safety interlock circuit. (See your
Authorized Service Center.)
Test 3
1. Operator on seat.
3. Pull PTO lever (A) back to DISENGAGE.
2. Lock the park brake.
4. Put transmission shift lever (B) in N (NEUTRAL)
position.
5. Start engine and move throttle lever (C) to FAST (r)
speed position.
6. Release brake slowly.
A
7. Raise up off of seat. DO NOT get off tractor.
8. Engine will begin to stop. If engine does not begin to
stop, there is a problem with your safety interlock circuit.
(See your Authorized Service Center.)
Test 5
3. Pull PTO lever (A) back to DISENGAGE.
1. Operator on seat.
4. Start engine and move throttle lever (B) to HALF-
2. Lock the park brake.
SPEED (R) position.
5. Push PTO lever (A) forward to ENGAGE.
6. Move throttle lever to FAST (r) speed position.
7. Raise up off of seat. DO NOT get off tractor.
8. Engine will begin to stop. If engine does not begin to
stop, there is a problem with your safety interlock circuit.
(See your Authorized Service Center.)
Operating Machine - 13
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OPERATING MACHINE
A
B
A
3. Pull PTO lever (A) back to DISENGAGE.
B
4. Start engine and move throttle lever (B) to FAST (r)
speed position.
5. Raise up off of seat. DO NOT get off tractor.
C
6. Engine MUST remain running. If engine does stop,
there is a problem with your safety interlock circuit. (See
your Authorized Service Center.)
1. Lock the park brake (A).
Test 6
2. On Gear Models: Put transmission shift lever (B) in N
(Neutral).
IMPORTANT: Avoid damage! On Automatic
Transmission Models: Do Not operate tractor or
start engine with the free-wheeling lever (C) out or
transmission damage may occur.
On Automatic Models: Pull out free- wheeling lever (C) to
unlock.
3. Try to push machine manually.
4. Park brake MUST prevent machine from moving. If
machine moves, parking brake needs to be adjusted. (See
your Authorized Service Center.)
5. On Automatic Models: Push free-wheeling lever back in.
Test 7
c
CAUTION: Avoid injury! Before moving
rearward, make sure area is clear of
bystanders, especially children.
Test Reverse Implement Option:
1. Start engine.
Operating Machine - 14
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OPERATING MACHINE
Using Front Weights
c
CAUTION: Avoid injury! Tractor front wheel
weights improve stability in most slope
operation. To avoid injury, add front wheel
weights for better front-end stability and
steering when using a rear mounted
attachment.
A
Install front wheel weights, two required, for better stability
and steering control when you use equipment such as the
rear-mounted grass bagger or dumpcart.
2. Push PTO lever (A) forward to ENGAGE.
See your Authorized Service Center for Front Weights.
Remove front wheel weights when not required.
3. Look behind the vehicle to be sure there are no
bystanders.
4. Begin REVERSE travel by moving the drive lever or
reverse pedal for Automatic Model or gear shift lever for
Gear Model to R (REVERSE) position.
Using Rear Wheel Weights
Mower and engine should stop operation. If mower or
engine continues to operate as tractor begins travel in
REVERSE, do not continue to operate mower. (See your
Authorized Service Center for service.)
Use of rear wheel weights is recommended for improved
traction when an attachment, such as snowthrower or blade
is used.
See your Authorized Service Center for Rear Weights.
Avoid Damage to Plastic and Painted
Surfaces
Using Tire Chains
Tire chains are recommended for use with snowthrower
and, under certain conditions, the front blade.
•
DO NOT wipe plastic parts unless rinsed first. (See
Correct Cleaning Care in Service-Miscellaneous section.)
See your Authorized Service Center for Tire Chains.
•
Insect repellent spray may damage plastic and painted
surfaces. Do not spray insect repellent near machine.
•
Be careful not to spill fuel on machine. Fuel may
Transporting
damage surface. Wipe up spilled fuel immediately.
Do not tow machine.
Use a heavy-duty trailer to transport your machine.
Avoid Using Ground Engaging Equipment
Raise mower deck to highest position when transporting to
trailer.
IMPORTANT: Avoid damage! This tractor is NOT
intended for use with ground engaging equipment.
Use of such equipment could result in damage to
transmission components.
Disengage PTO.
Drive forward onto trailer.
Lower mower or any attachment to trailer deck.
LOCK park brake.
This tractor is not intended for use with ground engaging
equipment such as a rear tiller, disk, blade or plow.
Be sure trailer has all the necessary lights and signs
required by law.
Fasten machine to trailer with heavy-duty straps, chains, or
cables. Both front and rear straps must be directed down
and outward from tractor.
Operating Machine - 15
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OPERATING MOWER
Operating Mower
when engine is running.
Operate Mower Safely
•
DISENGAGE PTO lever to stop mower blades when you
•
In addition to reading your Operator’s Manual, view your
are not using mower.
Mowing Safety Video.
Using Lift Lever to Raise and Lower Mower
Check Ground Conditions
A
B
•
Clear mowing area of objects that might be thrown.
1. Push down on lift lever (A) slightly and hold locking lever
(B) down with thumb.
Keep people and pets out of mowing area.
•
Study mowing area. Set up safe mowing pattern. Do not
2. Move lift lever (A) DOWN to LOWER mower or UP to
RAISE mower.
mow under conditions where traction or stability is doubtful.
•
First, test drive area with PTO lever DISENGAGED and
3. Release locking lever lock (B) to keep lift lever (A) in
position.
mower lowered. Slow down when you travel over rough
ground.
Adjusting Cutting Height
Avoid Injury From Contacting Blades
Cutting height can be adjusted from 38 – 102 mm (1-1/2 –
4 in).
Check tractor tire pressure. (See Checking Tire Pressure in
Service Miscellaneous section.)
To adjust cutting height:
A
Before you dismount to unplug or adjust mower:
•
•
•
•
•
•
DISENGAGE PTO lever to stop mower blades.
STOP the engine.
B
LOCK the park brake.
1. Push down on lift lever (A) slightly and hold locking lever
(B) down with thumb.
Remove key.
Wait for mower blades to STOP.
Keep hands, feet and clothing away from mower deck
2. Move lift lever (A) to desired cutting height.
3. Release locking lever (B) to keep lift lever (A) in position.
Operating Mower - 16
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OPERATING MOWER
4. Adjust gage wheels to match cut height desired. (See
Adjusting Mower Gage Wheels below.)
Adjusting Mower Level (Side-to-Side)
c
CAUTION: Avoid injury! Before you adjust
mower: STOP engine, remove key, and wait for
blades to STOP.
Adjusting Mower Gage Wheels
Be careful, sharp edges on mower blades.
Always wear gloves when handling mower
blades.
c
CAUTION: Avoid injury! Before you adjust gage
wheels: STOP engine, remove key, and wait for
blades to STOP.
NOTE: A deck leveling gauge (Part Number TY15272) to
aid in deck leveling may be obtained through your local
Authorized Service Center at a nominal cost.
IMPORTANT: Avoid damage! Mower gage wheels
must not ride on ground to support mower weight.
Adjust gage wheels each time you change cutting
height.
1. Park tractor on a hard, level surface.
2. Stop engine and remove key.
1. Check tractor tire pressure. Inflate tires to the correct
pressure. (See Checking Tire Pressure in Service -
Miscellaneous section.)
3. CHECK: Tire pressures must be correct. (See Checking
Tire Pressure in Service – Miscellaneous section.)
4. Adjust cutting height to middle position.
2. Raise mower lift lever to TRANSPORT (upper) position
and adjust cutting height. (See Adjusting Cutting Height in
this section.)
A
A
D
C
A
5. Turn left blade parallel to tractor axle. Hold drive belt and
turn right blade parallel to axle.
B
M88571
3. Remove bolt (A), bushing (B), washer (C), and nut (D).
4. Move lift lever down to desired MOWING position.
5. Move mower gage wheels, one on each side, to one of
four holes for desired position. On 46-Inch Mower Deck,
move front and rear gage wheels.
A
6. Bottom of gage wheels should be approximately 6-13
mm (1/4-1/2 in) from the ground when properly adjusted.
7. Install bolt and tighten with nut.
M40161
6. Measure from each outside blade tip (A) to the level
surface. The difference between measurements must not
be more than 3 mm (1/8 in).
Operating Mower - 17
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OPERATING MOWER
A
C
B
D
E
4. Turn blades so front blade tips (A) point straight forward.
7. Loosen top clamping nut (C) facing inside of mower, on
left hand side J-bolt (B), approximately one turn.
5. Measure from the front of each blade tip to the level
surface. The front blade tips must be 6–9 mm (1/4–3/8 in.)
lower than rear blade tips or blades will cut grass twice and
grass tips will turn brown.
8. Loosen upper adjusting nut (D).
9. Raise or lower left side of deck.
•
To raise: Turn lower adjusting nut (E) towards rear of
tractor.
•
To lower: Turn lower adjusting nut (E) towards front of
C
tractor.
C
10.Tighten upper adjusting nut.
11.Tighten clamping nut.
B
12.Check side-to-side measurements and readjust if
necessary.
B
Adjusting Mower Level (Front-to-Rear)
6. Turn nuts (B) on front draft rods (C) equally until
adjustment is correct. Turn nut clockwise to RAISE front of
mower deck or counterclockwise to LOWER front of mower
deck.
c
CAUTION: Avoid injury! Before you adjust
mower: STOP engine, remove key, and wait for
blades to STOP.
7. Check front-to-rear deck measurements and readjust if
necessary.
Be careful, sharp edges on mower blades.
Always wear gloves when handling mower
blades.
Engaging and Disengaging Mower
IMPORTANT: Avoid damage! Make sure each front
draft rod is equally tensioned. The installed rods
should exhibit identical amounts of movement
between left and right rods. If one rod moves more
freely than the other, the adjustment nut should be
tightened until the movement of the assembly
matches that of the other side.
IMPORTANT: Avoid damage! Operate engine at
maximum speed when mowing or after mower blade
is engaged.
Machine may require 2–3 minutes warm-up period
before engaging the mower deck.
1. Park tractor on a hard, level surface.
2. Stop engine and remove key.
Engaging Mower
1. START engine.
3. CHECK: Tire pressure must be correct. (See Checking
Tire Pressure in Service – Miscellaneous section.)
Operating Mower - 18
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OPERATING MOWER
A
B
A
2. Move throttle lever (A) to the FAST (r) position.
2. Pull PTO drive lever (A) back to DISENGAGE mower
blades.
3. Lower mower to cutting height.
3. Move throttle lever to SLOW (t) position.
4. Lower mower to the ground.
5. LOCK park brake.
4. Push PTO drive lever (B) forward to ENGAGE mower
blades.
NOTE: The engine and mower will stop as the drive
lever is moved rearward (Automatic Model) or the gear
shift lever is moved to the R (REVERSE) position (Gear
Model) with mower engaged.
6. STOP engine.
7. Remove key.
8. Wait for all moving parts to STOP.
5. Disengage PTO before shifting to REVERSE.
Disengaging Mower
1. Pull PTO drive lever (A) back to DISENGAGE mower
blades.
Using Mower Deck Side Discharge - 42-Inch
Mower Decks
2. If you hit an object with mower while mowing, STOP
mower and engine immediately. Inspect mower for
damage.
c
CAUTION: Avoid injury! Before you adjust
mower: STOP engine, remove key, and wait for
blades to STOP.
Dismounting to Inspect or Unplug Mower or
Optional Bagger
Be careful, sharp edges on mower blades.
Always wear gloves when handling mower
blades.
NOTE: For maximum side discharge operation, it may
be necessary to change the mower blades, see
Servicing Mower Blades in the SERVICE MOWER
section.
c
CAUTION: Avoid injury! To help prevent
personal injury, do the following steps before
you dismount to inspect or unplug mower or
bagger.
1. STOP machine.
Operating Mower - 19
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OPERATING MOWER
B
B
B
B
A
A
M96105
M96105
To set-up and operate the 42” deck for side discharge
operation the factory installed mulch cover (A) must be
removed.
To set-up and operate the 42” deck for mulching operation
the factory installed mulch cover (A) must be installed.
1. Install mulch cover:
1. Remove mulch cover:
•
Lift plastic discharge chute.
•
•
Lift plastic discharge chute.
•
Grasp corner of steel chute, pull outward to unlock
Grasp corner of steel chute, pull outward to unlock
and pivot up.
and pivot up.
•
Install mulch cover into deck discharge opening and
•
Unhook both rubber hooks (B) and remove mulch
hook both rubber hooks (B).
cover.
2. Store mulch cover in a well protected area and have it
readily available for when you want to use deck as a
mulching deck.
Using Mower Deck with Optional Equipment -
42-Inch Mower Decks
Using Mower Deck Mulch Ready - 42-Inch
Mower Decks
c
CAUTION: Avoid injury! Before you adjust
mower: STOP engine, remove key, and wait for
blades to STOP.
Be careful, sharp edges on mower blades.
Always wear gloves when handling mower
blades.
c
CAUTION: Avoid injury! Before you adjust
mower: STOP engine, remove key, and wait for
blades to STOP.
NOTE: For maximum mower deck operation, it may be
necessary to change the mower blades, see Servicing
Mower Blades in the SERVICE MOWER section.
Be careful, sharp edges on mower blades.
Always wear gloves when handling mower
blades.
NOTE: For maximum mulching operation, it may be
necessary to change the mower blades, see Servicing
Mower Blades in the SERVICE MOWER section.
B
B
A
M96105
To set-up and operate the 42” deck for either the 2-Bag
Bagger or Mulch Plug Kit the factory installed mulch cover
Operating Mower - 20
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OPERATING MOWER
(A) must be removed.
1. Remove mulch cover:
•
•
Lift plastic discharge chute.
Grasp corner of steel chute, pull outward to unlock
and pivot up.
•
Unhook both rubber hooks (B) and remove mulch
cover.
2. Store mulch cover in a well protected area and have it
readily available for when you want to use deck as a
standard mulching deck.
Operating Mower - 21
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REPLACEMENT PARTS
Replacement Parts
Parts for S1742 Tractor
Service Literature
If you would like a copy of the Parts Catalog or Technical
Manual for this machine call:
Item
Part Number
•
•
U.S. & Canada: 1-800-522-7448.
Air Cleaner
Elements:
All Other Regions: Your John Deere dealer.
Foam
Paper
LG272403S (Briggs & Stratton -
272403)
John Deere Quality
LG496894S (Briggs & Stratton -
496894)
We recommend John Deere quality parts and lubricants,
available at your Authorized Service Center.
Fuel Filter
Oil Filter
AM38708
Part numbers may change, use part numbers listed below
when you order. If a number changes, your dealer will have
the latest number.
AM125424 (Briggs & Stratton -
491056)
When you order parts, your Authorized Service Center
needs your machine serial number and engine serial
number. These are the numbers that you have recorded on
the inside front cover of this manual.
Battery
TY21752
Spark Plug
M78543 - Champion RC12YC
99M7065
Fuse-15 amp
Headlight Bulb
Ground Drive Belt
Touch-up paint is available in 340 grams (12 oz.) aerosol
cans. Scotts Orange (part number: TY24745) and Scotts
Grey (part number: TY 24747)
AD2062R (GE - 1156)
GX10065
Parts for S1642 Tractor
Parts for S2046 Tractor
Item
Part Number
Item
Part Number
Air Cleaner
Elements:
Air Cleaner Elements:
Foam
Paper
LG273638 (Briggs &
Stratton - 691016)
Foam
Paper
M92360 (Kohler - 12-083-08)
LG496894S (Kohler-12-083-14)
LG499486 (Briggs &
Stratton - 691007)
Fuel Filter
AM38708
Fuel Filter
Oil Filter
AM38708
Oil Filter
AM125424 (Kohler - 12-050-01)
TY21752
AM125424 (Briggs &
Stratton - 691041)
Battery
Spark Plug
Fuse-15 amp
Headlight Bulb
Ground Drive Belt
M78543 - Champion RC12YC
99M7065
Battery
TY21752
Spark Plug
M78543 - Champion
RC12YC
AD2062R (GE - 1156)
GX10065
Fuse-15 amp
99M7065
Headlight Bulb
Ground Drive Belt
AD2062R (GE - 1156)
GX10065
Replacement Parts - 22
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REPLACEMENT PARTS
Parts for 42-Inch Mower Deck
Item
Part Number
Blades:
Standard
Bagger
Mulch
M139802 or M139803
M139803
M139802
Mower Drive Belts
Leveling Gauge
M124895
TY15272
Parts for 46-Inch Mower Deck
Item
Part Number
Blades:
Standard
Bagger
Mulch
M127466
N/A
M119232
Mower Drive Belts
Leveling Gauge
GX10176
TY15272
(Part numbers are subject to change without notice. Part
Numbers may be different outside the U.S.A.)
Replacement Parts - 23
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SERVICE MACHINE SAFELY
Service Machine Safely
wear a suitable protective device such as earplugs.
Practice Safe Maintenance
•
Do not wear radio or music headphones while servicing
the machine. Safe service requires your full attention.
Avoid Injury From Contacting Blades
•
Understand service procedure before doing work. Keep
area clean and dry.
•
Never lubricate, service, or adjust machine while it is
moving. Keep safety devices in place and in working
condition. Keep hardware tight.
Before you unplug or adjust machine:
•
To prevent them from getting caught, keep hands, feet,
clothing, jewelry, and long hair away from any moving parts.
•
•
•
•
STOP the engine.
•
Before servicing machine, disengage all power and stop
Remove key.
the engine. Lock park brake and remove the key. Let
engine cool.
Wait for blades to STOP.
Keep hands, feet and clothing away from blades when
•
Securely support any machine elements that must be
engine is running.
raised for service work.
•
Keep all parts in good condition and properly installed.
Fix damage immediately. Replace worn or broken parts.
Remove any buildup of grease, oil, or debris.
Handling Waste Product and Chemicals
•
Disconnect battery ground cable (-) before making
adjustments on electrical systems or welding on machine.
•
Unauthorized modifications to the machine may impair
its function and safety.
Wear Appropriate Clothing
•
Waste products such as used oil, fuel, coolant, brake
fluid, and batteries, can harm the environment and people.
•
DO NOT use beverage containers for waste fluids -
someone may drink from them.
•
See your local Recycling Center or John Deere dealer to
learn how to recycle or get rid of waste products.
•
A Material Safety Data Sheet (MSDS) provides specific
details on chemical products: physical and health hazards,
safety procedures, and emergency response techniques.
See your John Deere dealer for the MSDS on chemical
products used with your machine.
•
Wear close fitting clothing and safety equipment
appropriate for the job.
•
Loud noise can cause impairment or loss of hearing,
Service Machine Safely - 24
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SERVICE INTERVAL CHART
Service Interval Chart
Service Intervals
IMPORTANT: Avoid damage! If you operate mower in
extreme heat, dust or other severe conditions,
service more often than shown below.
Please use the following timetables to perform routine
maintenance on your machine. Service procedures
included in this manual but not on this chart are to be
performed on an as needed basis.
Before Each Use
Check fuel level.
Clean air intake screen.
Test safety systems.
Check tire pressure.
Check/tighten loose hardware.
Check engine oil level.
After First 2 Hours
After First 5 Hours
Every 8 Hours
Check blade belt tension.
Change engine oil.
Check oil level.
Check brakes.
Check tire pressure.
Every 25 Hours
Sharpen/replace blades.
Lubricate front wheel spindles.
Lubricate wheel bearings.
Check battery and clean battery terminals.
Change engine oil when operating under heavy load or in high
temperatures.*
Clean/Service air cleaner elements.*
Check spindle brake measurement
Every 50 Hours
Every 100 Hours
Change engine oil.*
Check/tighten loose hardware.
Adjust drive belt tension.
Replace oil filter.
Clean/Service air cleaner elements.*
Replace spark plug.
Replace fuel filter.
Every Season
Before Storage
Adjust blade belt tension.
Check spindle brake measurement
Check/tighten loose hardware.
Lubricate front wheel spindles.
Lubricate wheel bearings.
Clean battery terminals.
Service Interval Chart - 25
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SERVICE INTERVAL CHART
Service Record
DATE
SERVICE PERFORMED
Service Interval Chart - 26
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SERVICE ENGINE
Service Engine
Engine Oil
Engine Warranty Maintenance Statement
Maintenance, repair, or replacement of the emission control
devices and systems on this engine, which are being done
at the customers expense, may be performed by any non-
road engine repair establishment or individual. Warranty
repairs must be performed by an authorized John Deere
dealer.
c
CAUTION: Avoid injury! To prevent injury from
accidental starting, always remove wire from
spark plugs and disconnect battery at negative
terminal before servicing engine.
NOTE: Air cooled engines run hotter than automobile
engines. The use of multi-viscosity oil such as (10W-
30) in ambient temperatures above 4° C (40° F) will
result in higher than normal oil consumption. If multi-
viscosity oil used, check oil level more frequently to
prevent any possible damage due to lack of lubrication.
Adjusting Carburetor
NOTE: Carburetor is calibrated by the engine
manufacturer and should not require any adjustments.
If engine is operated at altitudes above 1829 m (6,000
ft.), some carburetors may require a special high
altitude main jet. See your John Deere dealer.
Possible engine surging will occur at high rpm with no
load (with transmission in “N” neutral and mower
blade engagement lever disengaged). This is a normal
condition due to the emission control system.
If engine is hard to start or runs rough, check the
Troubleshooting section of this manual.
After performing the checks in the troubleshooting section
and your engine is still not performing correctly, contact
your John Deere dealer.
Avoid Fumes
Use oil viscosity based on the expected air temperature
range during the period between oil changes.
Use a high quality detergent oil classified as:
•
•
API Service Classification SG
API Service Classification SF
Checking Engine Oil
c
CAUTION: Avoid injury! Engine exhaust fumes
can cause sickness or death:
IMPORTANT: Avoid damage! To avoid engine
damage, DO NOT run engine if oil level is below ADD
mark.
- If it is necessary to run an engine in an
enclosed area, use an exhaust pipe extension
to remove the fumes.
NOTE: Engine must not be running.
- Always try to work in a well ventilated area.
Make sure engine is COLD when checking engine oil
level.
Service Engine - 27
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SERVICE ENGINE
1. Park tractor on a level surface. STOP engine. Let engine
cool.
IMPORTANT: Avoid damage! To extend engine life,
when operating mower in extreme heat, dust or
other severe conditions, it may be necessary to
change engine oil and filter more frequently.
2. Lift hood.
3. Clean area around dipstick to prevent debris from falling
into crankcase.
1. Run engine to warm oil.
2. Park tractor on level surface. STOP engine. LOCK park
brake and remove key.
A
3. Lift hood.
4. Put drain pan under drain valve.
A
M96093
4. Remove dipstick (A). Wipe with clean cloth.
5. Install dipstick:
•
S1642 - Install dipstick in tube, but DO NOT tigthen it.
Let dipstick threads rest on top of tube, turn cap
counterclockwise until it “clicks” or starts to engage
threads.
5. Unsnap the dust cap, push and twist to open oil drain
(A) and drain oil into oil drain pan.
•
S1742 and S2046 - Install and tighten dipstick.
6. Remove dipstick.
B
A
M96093
7. Check oil level on dipsitck. Oil must be between ADD
and FULL marks.
6. Close drain cap.
8. If oil level is low, add oil to bring oil level no higher than
FULL on dipstick.
9. Install and tighten dipstick. Lower hood.
Changing Engine Oil and Filter
C
c
CAUTION: Avoid injury! Engine may be hot, be
careful not to burn hands.
7. Remove old filter (C) and wipe off filter tray with a clean
Service Engine - 28
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SERVICE ENGINE
cloth.
8. Lightly oil filter gasket with fresh, clean oil.
A
9. Install replacement oil filter. Turn oil filter to the right
(clockwise) until rubber gasket contacts filter adapter.
Tighten filter an additional one-half turn.
10.Remove dipstick (B) and refill with new oil of
recommended grade. (See Engine Oil in this section.)
3. Remove cover (A).
S1642
S1742
11.Check oil level. For correct procedure see Checking Oil
Level in this section.
D1
D
12.Oil level must be between ADD and FULL marks. Do not
overfill.
B
13.Install and tighten dipstick. Lower hood.
D
14.Start engine and check for oil leaks. Correct any leaks
before operating.
C
B
15.Run engine at idle for 30 seconds. Stop engine. Wait 30
seconds and check oil level.
16.If necessary, add oil to bring level to FULL mark on
dipstick.
4. Inspect foam precleaner (B) and element (C) without
removing.
Checking and Cleaning Air Cleaner Elements
- S1642 and S1742
5. If precleaner (B) is dirty, carefully remove from filter,
leaving element (C) in the air cleaner housing.
NOTE: It may be necessary to check the air filter more
frequently if operating vehicle in dusty conditions.
NOTE: DO NOT wash paper element.
1. Lift hood.
6. Wash precleaner (B) in a solution of warm water and
liquid detergent.
2. Clean any dirt and debris from the air cleaner before
removing cover.
7. Rinse precleaner thoroughly. Squeeze out excess water
in a dry cloth until precleaner is completely dry.
8. Put approximately 30 ml. (1 oz.) of clean engine oil onto
precleaner. Squeeze precleaner to distribute oil evenly.
Squeeze out excess oil with a clean cloth.
Service Engine - 29
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SERVICE ENGINE
A
IMPORTANT: Avoid damage! A damaged paper
B
element (C) can allow dirt into the carburetor and
can cause poor engine performance, engine damage
or failure:
• DO NOT attempt to clean paper element by tapping
against another object.
• Replace element ONLY if very dirty.
• DO NOT use pressurized air to clean element.
• If element is damaged or the seal is cracked,
replace.
9. Remove and replace filter element (C) ONLY if damaged
or very dirty:
3. Loosen knob (A) and remove cover (B).
•
•
•
S1642 Only - Remove rubber tube sleeve (D1).
Remove wing nut (D).
IMPORTANT: Avoid damage! To prevent engine
damage, DO NOT allow any foreign objects to fall
into the carburetor air intake (C).
Carefully remove paper element (E) from air cleaner
housing. REPLACE with NEW element.
10.Carefully remove element (C) from air cleaner housing.
Replace with a NEW element.
11.Carefully clean air cleaner housing. Prevent any dirt
from falling into carburetor.
12.Install precleaner onto new filter element and install into
air cleaner housing.
D
13.Install cover. Lower hood.
Checking and Cleaning Air Cleaner Elements
- S2046
C
E
IMPORTANT: Avoid damage! To extend engine life,
when operating mower in extreme heat, dust or
other severe conditions, it may be necessary to
check/replace air cleaner more frequently.
1. Lift hood.
2. Clean any dirt and debris from the air cleaner before
removing cover.
4. Avoid dropping anything into the carburetor air intake
(C). If anything falls into the carburetor air intake it MUST
be remove.
5. Lift out filter cartridge (D) and foam precleaner (E).
6. Service precleaner:
•
Wash precleaner in a solution of warm water and
liquid detergent.
•
Rinse precleaner thoroughly. Squeeze out excess
water in a dry cloth until precleaner is completely dry.
•
Put approximately 30 ml. (1 oz.) of clean engine oil
Service Engine - 30
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SERVICE ENGINE
onto precleaner. Squeeze precleaner to distribute oil
plug(s):
evenly. Squeeze out excess oil with a clean cloth.
•
•
S1642 and S1742: ONE spark plug
S2046: TWO spark plugs.
IMPORTANT: Avoid damage! A damaged cartridge
(D) can allow dirt into the carburetor and can cause
poor engine performance, engine damage or failure:
3. Clean spark plug(s) carefully with a wire brush.
4. Inspect plug for:
•
•
•
Cracked porcelain.
• DO NOT attempt to clean cartridge by tapping
against another object.
Pitted or damaged electrodes.
Other wear or damage.
• Replace cartridge ONLY if very dirty.
• DO NOT use pressurized air to clean cartridge.
5. Replace spark plug(s) if necessary.
• If cartridge is damaged or the seal is cracked,
replace.
7. Inspect cartridge for damage or excessive dirt. Replace
if necessary.
8. Carefully clean air cleaner housing. Prevent any dirt
from falling into carburetor.
9. Install foam precleaner (E) mesh side up.
10.Install cartridge. Make sure cartridge and seal are
properly seated and sealing the carburetor air intake area.
11.Install air cleaner cover and tighten knobs. DO NOT
overtighten.
12.Lower hood.
6. Check plug gap with a wire feeler gauge:
•
in.)
S1742 and S2046: Gap should be 0.76 mm (0.030
Checking Spark Plugs
•
S1642: Gap should be 1.02 mm (0.040 in.)
7. To change gap, move the outer electrode.
8. Install and tighten spark plug(s):
c
CAUTION: Avoid injury! Before you remove
spark plugs, STOP engine and wait until engine
is cool.
•
If you have a torque wrench, tighten plug(s) to: 20
N•m (15 lb-ft.).
1. Stop engine. LOCK park brake. Remove key. Lift hood.
9. Connect the spark plug wire(s).
10.Lower hood.
Replacing Fuel Filter
c
CAUTION: Avoid injury! Keep cigarettes,
sparks, and flames away from the fuel system.
Make sure engine is cool to the touch.
A
IMPORTANT: Avoid damage! When disconnecting
fuel tank hose from filter, be sure to hold hose above
fuel tank level so fuel does not run out.
2. Disconnect spark plug wire(s) (A) and remove spark
Service Engine - 31
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SERVICE ENGINE
NOTE: Change filter when fuel is low in fuel tank.
A
1. Park tractor on a level surface.
2. STOP engine. LOCK park brake. Remove key. Let
engine COOL.
3. Lift hood.
B
B
3. Clean air intake screen (A), and external engine areas
(B) with rag, brush, vacuum or compressed air.
A
A
4. Lower hood.
4. Using pliers, slide hose clamps (A) away from fuel filter
(B).
5. Disconnect hoses from filter and remove filter.
6. Connect hoses to new filter.
7. Install clamps and check for leaks.
8. Lower hood.
Clean Air Intake Screen and Engine
IMPORTANT: Avoid damage! To avoid overheating
and damage to engine: Keep air intake screen free of
dust and debris. Keep governor linkage, springs and
controls free of dust and debris.
1. STOP engine. LOCK park brake and remove key.
2. Lift hood.
Service Engine - 32
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SERVICE STEERING AND BRAKES
Service Steering and Brakes
Park tractor on flat, level surface. STOP engine, LOCK park
brake, DISENGAGE PTO lever, turn key to the OFF
position, and remove key.
Grease
With a safe lifting device, lift front of tractor just high enough
to pivot axle.
50°C
40°C
30°C
20°C
10°C
0°C
122°F
104°F
86°F
68°F
50°F
32°F
14°F
- 4°F
- 22°F
Wheel Spindles
Lubricate wheel spindles (A), one on each side of tractor
with multipurpose EP grease or an equivalent.
Turn steering wheel to a full left turn and then full right turn
to distribute grease in spindles.
Axle Pivot
Lubricate axle pivot (C) with multipurpose EP grease or an
equivalent.
- 10°C
- 20°C
- 30°C
Pivot axle up and down to distribute grease in pivot.
Drag Link
- 40°C
- 55°C
- 40°F
- 67°F
Lubricate drag link (D) with multipurpose EP grease or an
equivalent.
Pivot axle up and down to distribute grease in pivot.
TS1417
Wheel Bearings - S2046 Only
Use grease based on the expected air temperature range
during the service interval.
Lubricate front wheel bearings (B), one on each side of
tractor with multipurpose EP grease or an equivalent.
The following greases may be used:
Spin wheels to distribute grease in bearings.
Lower front of tractor to ground.
•
SAE Multipurpose EP Grease with 3 to 5 percent
molybdenum disulfide.
•
•
SAE Multipurpose EP Grease.
Greases meeting Military Specification MIL-G-10924C
Adjusting Brakes - Gear
may be used as arctic grease.
c
CAUTION: Avoid injury! Before adjusting
brakes: STOP engine. Remove key. Wait for all
moving parts to STOP.
Lubricating Front Wheel Spindles, Wheel
Bearings and Axle Pivot
1. Park tractor on flat, level surface. STOP engine, LOCK
park brake, DISENGAGE PTO lever, turn key to the OFF
position, and remove key.
B
2. Check if:
D
C
A
B
Service Steering and Brakes - 33
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SERVICE STEERING AND BRAKES
IF THE SHIM SLIDES FREELY:
•
Install the shim and tighten lock nut (F) until there is
A
slight interference.
•
Remove the shim and cycle the brake pedal. Readjust if
C
needed.
D
Adjusting Brakes - Automatic Hand Control
c
CAUTION: Avoid injury! Before adjusting
brakes: STOP engine. Remove key. Wait for all
moving parts to STOP.
F
B
B
D
1. Park tractor on flat, level surface. STOP engine, turn key
to the OFF position, and remove key.
•
Brake disc (A) is contacting the case (B),
AND/OR
2. UNLOCK the park brake and release brake pedal.
•
Brake lever (C) is contacting its mounting bracket (D),
top or bottom.
If so, REPLACE friction pucks and brake disc BEFORE
making adjustment. (See you Authorized Service
Center.)
3. Block the front and rear wheels, and release the parking
brake.
E
A
E
B
C
3. Measure distance from inside of brake rod stop tabs (A)
to outside of compression spring bracket (B) (located below
foot tread area on left-hand side of transmission). Distance
(C) should be 2 – 10 mm (0.08 – 0.40 in).
G
F
H
4. From the rear of the tractor, locate the brake disc (E),
lock nut (F), and friction puck (G).
5. Insert a 0.25 mm (0.010 in.) shim gauge (H) between
the disc and friction puck. The shim should slide with slight
interference.
IF THE SHIM WILL NOT FIT:
•
Loosen lock nut (F) until the shim slides in. Tighten the
lock nut until the shim has slight interference.
•
Remove the shim and cycle the brake pedal. Readjust if
needed.
Service Steering and Brakes - 34
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SERVICE STEERING AND BRAKES
2. LOCK the park brake.
G
D
C
A
D
B
F
3. Measure distance of the compressed brake spring from
bracket (A) to washer (B) (located below foot tread area on
left-hand side of transmission). Distance (C) should be
42-43 mm (1.65 - 1.69 in).
4. If distance is less than or equal to 2 mm (0.08 in):
Gradually adjust jam nuts (D) until specified
measurement is obtained.
•
If distance (C) is greater than 43 mm (1.69 in) or less than
42 mm (1.65 in), gradually adjust nut (D) until specified
measurement is achieved.
•
Depress brake pedal and LOCK park brake.
•
Measure the distance between edge of compression
spring bracket and front edge of brake rod stop tabs.
Gap should have a minimum distance of 2 mm (0.08 in).
•
Check brake rod compression spring (E). It should
not be completely compressed when park brake is
locked. A slight air gap should be visible between the
coils when proper adjustment is reached.
•
Recycle park brake a few times and measure
distances each time until specified measurements are
obtained.
•
Brake lever (F) travel should not exceed 30° (G). If it
does, measure brake components individually.
SPECIFICATIONS:
•
•
Spring bracket to stop tabs (minimum): 2 mm (0.08 in)
Brake lever travel (maximum): 30°
Adjusting Brakes - Automatic Foot Control
c
CAUTION: Avoid injury! Before adjusting
brakes: STOP engine. Remove key. Wait for all
moving parts to STOP.
1. Park tractor on flat, level surface. STOP engine, turn key
to the OFF position, and remove key.
Service Steering and Brakes - 35
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SERVICE MOWER
Service Mower
2. Remove mower deck. (See Removing Mower in
Removing Mower section.)
Avoid Injury From Contacting Blades
42-Inch Mower Deck
A
B
c
CAUTION: Avoid injury! Before you unplug,
adjust or service mower:
1. Remove two capscrews and belt guard (A).
- DISENGAGE PTO switch to stop mower
blades.
2. Loosen pulley (B), move pulley to the right and remove
mower drive belt from engine pulley and then remove from
the mower.
- Wait for mower blades to STOP.
- LOCK the park brake.
- STOP the engine.
3. Install belt in reverse order of removal.
4. Reinstall belt guard and tighten capscrews securely.
- Remove the key.
46-Inch Mower Deck
Clean unit by removing all grass clippings and
dirt from mower deck.
1. Remove six capscrews and left and right belt guards.
Disconnect spark plug wire from spark plug.
A
Mower Spindles
IMPORTANT: Avoid damage! Do NOT grease mower
spindles. Grease zerks are for initial factory setup
and are sealed. Attempting to grease the spindles
may damage the seals and shorten the bearing life.
2. Pull pulley (A) to the left and remove mower drive belt
from engine pulley and then remove from mower.
Replacing Mower Drive Belt
3. Install belt in reverse order of removal.
4. Reinstall belt guards and tighten capscrews securely.
c
CAUTION: Avoid injury! Before replacing
mower drive belt: STOP engine, remove key,
wait for all moving parts to STOP, and wear
gloves when replacing belt.
Adjusting Mower Belt Tension
1. STOP engine, LOCK park brake, place gear shift lever in
NEUTRAL (N) position, pull PTO drive lever back to
DISENGAGE, turn key to the OFF position, and remove
key.
c
CAUTION: Avoid injury! Before adjusting
Mower Belt Tension: STOP engine. Remove key.
Wait for all moving parts to STOP.
Service Mower - 36
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SERVICE MOWER
Adjusting Spindle Brake
IMPORTANT: Avoid damage! Spindle brake
engagement must be checked every time the mower
belt tension is adjusted or belt damage may occur.
c
CAUTION: Avoid injury! Rotating blades are
dangerous. Mower blades must stop within 5
seconds after mower is turned off. Check
spindle brake measurement every 25 hours or
once a year (whichever comes first).
1. Park tractor on a hard, level surface.
2. Stop the engine, remove key, wait for moving parts to
stop.
3. Place mower deck in LOWEST setting.
4. Engage PTO drive lever.
IMPORTANT: Avoid damage! Avoid belt damage.
Spindle brake engagement must be checked and
corrected every time the mower belt tension is
adjusted.
C
A
B
F
Mower belt tension should be adjusted, if required,
BEFORE brakes are adjusted.
E
1. Park tractor on a hard, level surface.
2. Stop the engine, remove key, wait for moving parts to
stop.
C
D
3. Place mower deck in LOWEST setting.
4. Engage PTO drive lever.
F
5. Check mower belt tension. (See Adjusting Mower Belt
Tension in this section.)
6. Remove belt guard.
5. Measure distance from bracket (A) to washer (B) on
tension rod (C). Distance (D) should be: 20 – 25 mm (0.78
– 0.98 in).
6. If adjustment is required, continue with Step 7.
7. DISENGAGE PTO lever.
8. Remove spring locking pin and washer (E) and
disconnect tension rod from blade drive arm.
9. Loosen lock nut (F).
10.Turn fitting on tension rod clockwise to shorten and
counterclockwise to lengthen effective rod length.
11.Tighten lock nut (F) to 27 N•m (20 lb-ft.).
12.Assemble tension rod and recheck dimension (D).
13.Check brake clearance. (See Adjusting Spindle Brake in
this section.
Service Mower - 37
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SERVICE MOWER
IMPORTANT: Avoid damage! ALL brakes MUST be
adjusted. There are TWO spindle brakes on the 38
and 42-Inch decks, and THREE spindle brakes on
the 46-Inch deck.
A
C
1. Lower mower. Measure distance between blade tip and
flat ground surface.
B
D
2. Turn blade 180 degrees. Measure distance between
blades other tip and flat ground surface.
3. If the distance between the two measurements is more
than 3 mm (1/8 in), install new blade.
Servicing Mower Blades
46-Inch Mower Deck
7. Measure distance from brake surface (A) to pulley
braking surface (B). Brake to Pulley Distance should be: 2 –
3 mm (0.08 – 0.12 in).
c
CAUTION: Avoid injury! Be careful, sharp
edges on mower blades. Always wear gloves
when handling mower blades.
8. If adjustment is required, turn nut (C) on end of brake
rod (D) in correct direction to set brake at proper distance
from pulley.
REMOVING MOWER BLADES
1. Raise mower deck to gain access to mower blades. If
necessary, remove mower deck.
9. Repeat on all brakes.
10.Install belt guard.
2. Using a wooden block, prevent mower blades from
spinning.
Checking Mower Blades
D
c
CAUTION: Avoid injury! Before adjusting
Mower Belt Tension: STOP engine. Remove key.
Wait for all moving parts to STOP.
C
B
A
To check for a bent blade:
M88119b
3. Loosen and remove cap screw (A), hardened washer
(B), cupped blade washer (C) and blade (D).
4. Inspect blades; sharpen/balance or replace as
necessary.
Service Mower - 38
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SERVICE MOWER
INSTALLING MOWER BLADES
NOTE: Before removing hardware, note the orientation
of the cupped blade washer (C) to ensure proper
installation.
1. Lightly lubricate cap screw threads with a general
purpose grease or oil. This lubrication is to prevent rusting
and seizing.
E
D
C
C
D
B
A
B
A
M88119c
M88112h
3. Loosen and remove cap screw (A), hardened washer
(B), cupped blade washer (C), blade (D) and deflector cup
(E).
2. Position mower blade (D) with the cutting edge towards
the ground onto the mower spindle.
4. Inspect blades; sharpen/balance or replace as
necessary.
3. Install cupped blade washer (C) with cup side toward the
blade.
INSTALLING MOWER BLADES
4. Install hardened washer (B).
1. Lightly lubricate cap screw threads with a general
purpose grease or oil. This lubrication is to prevent rusting
and seizing.
5. Install and tighten cap screw (A) by hand until mower
blade is in full contact (fully seated) with spindle.
6. With mower blade blocked, to prevent spinning, tighten
cap screws to 56 N•m (41 lb-ft.)).
E
42-Inch Mower Deck
C
D
c
CAUTION: Avoid injury! Be careful, sharp
edges on mower blades. Always wear gloves
when handling mower blades.
B
A
REMOVING MOWER BLADES
M88112h
1. Raise mower deck to gain access to mower blades. If
necessary, remove mower deck.
2. Install deflector cup (E) on spindle.
2. Using a wooden block, prevent mower blades from
spinning.
3. Position mower blade (D) with the cutting edge towards
the ground onto the mower spindle.
4. Install cupped blade washer (C) with CUPPED SIDE
toward the blade.
5. Install hardened washer (B).
6. Install and tighten cap screw (A) by hand until mower
blade is in full contact (fully seated) with spindle.
7. With mower blade blocked, to prevent spinning, tighten
bolt to 56 N•m (41 lb-ft.).
Service Mower - 39
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SERVICE MOWER
Sharpening Blades
c
CAUTION: Avoid injury! Wear goggles and
gloves when you handle blades.
1. Sharpen blades with grinder, hand file or electric blade
sharpener.
A
B
2. Keep original bevel (A) when you grind.
3. Blade should have 0.40 mm (1/64 in.) cutting edge (B).
Balancing Blades
c
CAUTION: Avoid injury! Wear goggles and
gloves when you handle blades.
1. Clean blade.
2. Put blade on nail in vise or on vertical wall stud. Turn
blade to horizontal position.
3. If blade is not balanced, heavy end of blade will drop.
4. Grind bevel of heavy end. Do not change bevel.
Service Mower - 40
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SERVICE ELECTRICAL
Service Electrical
Checking the Battery
B
c
CAUTION: Avoid injury! Sulfuric acid in battery
electrolyte is poisonous. It is strong enough to
burn skin, eat holes in clothing, and cause
blindness if splashed into eyes. Wear eye
protection and avoid spilling or dripping
electrolyte.
C
A
Flush eyes with water for 15-30 minutes if acid
is splashed into eyes.
M96453
If acid is swallowed, get medical attention
immediately.
2. Remove rubber hold-down strap (A).
3. Disconnect negative (–) battery cable (B).
DO NOT attempt to open, add fluid or service
battery. Any attempt to do so will void warranty
and lead to possible injury.
4. Remove red cover (C) from positive (+) battery terminal.
Remove positive (+) cable from battery.
5. Remove battery.
6. Install the battery following these steps in reverse order.
(See Connect the Battery in the Assembly section.)
Clean Battery and Terminals
•Keep battery and terminals clean.
•Keep battery bolts tight.
•Keep small vent holes open.
•Recharge, if necessary, at 6–10 amperes for 1 hour. (See
Charging the Battery in this section.)
c
CAUTION: Avoid injury! Battery gas can
explode, to avoid injury:
Removing and Installing the Battery
- Keep sparks and flames away from batteries.
Use a flashlight to check battery electrolyte
level.
c
CAUTION: Avoid injury! Always remove
negative (–) battery cable first, and install it last,
to prevent electrical short circuit to chassis.
- Never check battery charge by placing a metal
object across the posts. Use a voltmeter or
hydrometer.
1. Turn ignition key off and raise seat.
- Always remove grounded (-) battery clamp
first and replace it last.
1. Turn ignition key off and raise seat.
Service Electrical - 41
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SERVICE ELECTRICAL
B
c
CAUTION: Avoid injury! BE VERY CAREFUL:
Battery fluid (electrolyte), is a solution of water
and sulfuric acid. It is very harmful to eyes,
skin, or clothing.
C
- Wear goggles or an eye shield when you work
with a battery.
A
- If the acid contacts your eyes, skin, or
clothing, flush the area immediately with water.
Get medical help, if necessary.
M96453
A battery gives off gas which can explode. An
exploding battery will spray sulfuric acid in all
directions.
2. Remove rubber hold-down strap (A).
3. Disconnect BLACK (–) battery cable (B) first.
- Keep cigarettes, sparks, and flames away from
the battery.
4. Disconnect RED (+) battery cable (C). Remove battery
from mower.
- Charge the battery in an area with good
ventilation.
5. Wash battery with solution of four tablespoons of baking
soda to one gallon of water. Be careful not to get the soda
solution into the cells.
- DO NOT charge a frozen battery.
6. Rinse the battery with clean water. Let dry.
Before you charge a battery:
Wait until the battery has warmed to room temperature.
7. Clean terminals and battery cable ends with wire brush
until bright.
•
Do not charge a frozen battery.
8. Apply petroleum jelly or silicone spray to terminal to
prevent corrosion.
Turn OFF and unplug the charger before you connect
cables to the battery or disconnect cables from the battery.
9. Install battery. (See Removing and Installing the Battery
in this section and Connect the Battery in the Assembly
section.)
If the battery becomes warm to touch during charging:
•
•
Reduce the charging rate OR
Stop charging the battery until it cools.
NOTE: Your charger may have an AUTOMATIC STOP to
prevent charging the battery:
Charging the Battery
•
•
When the battery is fully charged OR
When the battery is not in condition to take a charge.
c
CAUTION: Avoid injury! DO NOT attempt to
open, add fluid or service battery. Any attempt
to do so will void warranty and lead to possible
injury.Battery gas is explosive:
- DO NOT smoke while you charge battery.
- Keep all flames and sparks away.
- DO NOT charge frozen battery.
- DO NOT connect booster battery negative (-)
cable to starting vehicle negative (-) terminal.
1. Remove battery from mower. (See Removing and
Installing Battery in this section.)
Service Electrical - 42
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