Page 1
FORM NO. 3319–559 Rev A
Wheel Horse
42” Mower
for
Lawn and Garden Tractors
Model No. 78231 – 8900001 & Up
Operator’s Manual
IMPORTANT: Read this manual carefully. It contains information about your
safety and the safety of others. Also become familiar with the controls and
their proper use before you operate the product.
Page 2
Introduction
We want you to be completely satisfied with your new
product, so feel free to contact your local Authorized
Service Dealer for help with service, genuine replacement
parts, or other information you may require.
Whenever you contact your Authorized Service Dealer or
the factory, always know the model and serial numbers of
your product. These numbers will help the Service Dealer
or Service Representative provide exact information about
your specific product. You will find the model and serial
number plate located in a unique place on the product as
shown below.
1
The warning system in this manual identifies potential
hazards and has special safety messages that help you and
others avoid personal injury, even death. DANGER,
WARNING and CAUTION are signal words used to
identify the level of hazard. However, regardless of the
hazard, be extremely careful.
DANGER signals an extreme hazard that will cause
serious injury or death if the recommended precautions
are not followed.
WARNING signals a hazard that may cause serious injury
or death if the recommended precautions are not followed.
CAUTION signals a hazard that may cause minor or
moderate injury if the recommended precautions are not
followed.
Two other words are also used to highlight information.
“Important” calls attention to special mechanical
information and “Note” emphasizes general information
worthy of special attention.
The left and right side of the machine is determined by
sitting on the seat in the normal operator’s position.
1275
1. Model and Serial Number Plate
For your convenience, write the product model and serial
numbers in the space below.
Model No:
Serial No.
Printed in USA
Page 3
Contents
Safety and Instruction Decals 2. . . . . . . . . . . . . . . . . .
Assembly 3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Loose Parts 3. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Installing Discharge Chute 4. . . . . . . . . . . . . . . . . .
Install Rear and Adjustable Links 5. . . . . . . . . . . .
Installing the Mower 5. . . . . . . . . . . . . . . . . . . . . .
Transport Height Adjustment 6. . . . . . . . . . . . . . .
Side-to-Side Mower Leveling 7. . . . . . . . . . . . . . .
Front-to-Rear Blade Slope 8. . . . . . . . . . . . . . . . . .
Removing the Mower 9. . . . . . . . . . . . . . . . . . . . .
Operation 10. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Side Discharge 10. . . . . . . . . . . . . . . . . . . . . . . . . . .
Operating the Power Take Off (PTO) 10. . . . . . . . .
Page
Page
Attachment Lift Lever 11. . . . . . . . . . . . . . . . . . . . .
Attachment Power Lift 11. . . . . . . . . . . . . . . . . . . . .
Adjusting Dial-A-Height 12. . . . . . . . . . . . . . . . . . .
Adjusting Anti-Scalp Rollers 12. . . . . . . . . . . . . . . .
Tips for Mowing Grass 13. . . . . . . . . . . . . . . . . . . .
Maintenance 14. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Service Interval Chart 14. . . . . . . . . . . . . . . . . . . . .
Cutting Blade 15. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Greasing and Lubrication 17. . . . . . . . . . . . . . . . . . .
Blade Drive Belt 17. . . . . . . . . . . . . . . . . . . . . . . . .
Storage 18. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Troubleshooting 19. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1
Page 4
Safety
Safety and Instruction Decals
Safety decals and instructions are easily visible to the operator and are located near any
area of potential danger. Replace any decal that is damaged or lost.
ON GRASS DEFLECTOR
(Part No. 93–1122)
ON MOWER RIGHT SIDE
(Part No. 116286)
ON MOWER LEFT AND
RIGHT SIDES
(Part No. 92–7108)
2
Page 5
Assembly
Loose Parts
Note: Use the chart below to identify parts used for assembly.
DESCRIPTION QTY. USE
Grass deflector
Torsion spring
Washer (1/2”)
Cotter pin (3/4”)
Plastic washer
Rubber bushing
Jam nut (3/8”–16)
Rear link
Washer (1/2”)
Cotter pin (1”)
Hairpin cotter (2–9/16”)
Adjustable link
Washer (1/2”)
Cotter pin (1”)
Hairpin cotter (2–9/16”)
V belt
Hairpin cotter (3–3/8”)
Washer (3/4”)
1
1
1
1
2
1
1
1
2
1
2
1
2
1
1
1
2
2
Install grass deflector
Install rear link
Install front link to mower
Install mower to tractor
Operator’s Manual 1 Read before operating
3
Page 6
Assembly
Installing Grass Deflector
1. Locate items shown in Fig. 1.
2. Place the short end of the spring into the small hole in
the grass deflector.
3. Position spring and grass deflector over post on rear of
deck and secure with 1/2” washer and 3/4” cotter pin
(Fig. 1).
4. Slide rubber bushing and plastic washer over stud at
front of mower.
5. Place grass deflector over stud and secure with second
plastic washer and 3/8” jam nut (Fig. 1).
1
7
4
2
3
POTENTIAL HAZARD
• Without the grass deflector, discharge cover, or
complete grass catcher assembly mounted in
place, you and others are exposed to blade
contact and thrown debris.
WHAT CAN HAPPEN
• Contact with rotating mower blade(s) and
thrown debris will cause injury or death.
HOW TO AVOID THE HAZARD
• NEVER remove the grass deflector from the
mower because the grass deflector routes
material down toward the turf. If the grass
deflector is ever damaged, replace it
immediately.
• Never put your hands or feet under the mower.
• Never try to clear discharge area or mower
blades unless you move the power take off
(PTO) to “OFF” and rotate the ignition key to
“OFF.” Also remove the key and pull the wire
off the spark plug(s).
6
5
m-3141
Figure 1
1. Grass deflector
2. Spring
3. Cotter pin 3/4”
4. Washer 1/2”
5. Rubber bushing
6. Plastic washer
7. Jam nut 3/8”
Important Grass deflector must be spring loaded in
the down position. Lift chute up to test that it snaps to the
full down position.
4
Page 7
Assembly
Installing the Rear and
Adjustable Links
1. Install a hairpin cotter (2–9/16 in.) into the inside hole
of the rear link (Fig. 2).
2. Install the rear link into the gage wheel support and
secure with a washer (1/2 in.) and cotter pin (1 in.)
(Fig. 2).
3. Install rear link into the attachment lift and secure with
a washer (1/2 in.) and hairpin cotter (2–9/16 in.)
(Fig. 2).
5
4
1
5
Figure 2
1. Rear link
2. Washer, 1/2 in.
3. Cotter pin, 1 in.
4. Attachment lift
5. Hairpin cotter, 2–9/16 in.
6. Inside hole
7. Gage wheel support
4. Install front adjustable link to the attachment lift with
a washer (1/2 in.) and hairpin cotter (2–9/16 in.)
(Fig. 3).
5. Install front adjustable link to the mower with a
washer (1/2 in.) and hairpin cotter (2–9/16 in.) (Fig. 3).
2
3
7
6
m-5812
5
4
2
3
1
m–3165
Figure 3
1. Front adj u s t able link
2. Washer 1/2”
3. Cotter pin 1”
4. Attachment lift
5. Hairpin cotter 2–9/16”
Installing the Mower
1. Park the tractor on a flat surface, disengage the power
take off (PTO), set the parking brake, and turn the
ignition key to “OFF” to stop the engine. Remove the
key.
2. Turn the front wheels fully to the left and raise
attachment lift lever all the way to the latched
position; refer to tractor Operator’s Manual.
3. Slide the mower under the chassis from the right side
(Fig. 4) and align rear mounting bushings with ends of
lift arms.
4. Straighten the front wheels, turn Dial-A-Height knob
counterclockwise, all the way, and lower the
attachment lift lever to the mounting position; refer to
tractor Operator’s Manual.
5. Place rear guide bushings, first left side then right,
onto lift arms then slide deck left into position (Fig. 4).
6. Secure deck to rear lift arms with 3/4” washers and
3–3/8” hairpin cotters (Fig. 4).
5
Page 8
Assembly
4
1
5
2
3
1234a
Figure 4
1. Lift arm
2. Washer 3/4”
3. Hair pin cotter 3–3/8”
4. Rear link
5. Attachment lift
7. Attach rear link to attachment lift with 1/2” washer
and 2–9/16” hairpin cotter (Fig. 3 & 4).
8. Install front adjustable link to right front lift arm with
1/2” washer and 2–9/16” hairpin cotter (Fig. 5).
3
1
2
2
1
Figure 6
Top View
1. Mower belt 2. Engine pulley
Note: Ensure that the belt is properly located in the
engine, mower, and idler pulleys.
10.Check mower level; refer to Side-to-Side Mower
Leveling, page 7 and Front-to-Rear Blade Slope,
page 8.
11. Raise attachment lift lever all the way to the latched
position and adjust mower height-of-cut (refer to page
13) and transport height adjustment (refer to page 7).
m–3536
Figure 5
1. Adjustable link
2. Washer 1/2”
3. Hairpin cotter 2/916”
9. Pull on idler pulley to relax belt tension and install
mower drive belt into the top, or single engine drive
pulley groove (Fig. 6).
6
Page 9
Assembly
Transport Height Adjustment
Transport height is set at the factory and should not need
adjustment; however if the belt covers contact the footrest
in the raised position, adjustment is required.
1. Adjust by turning transport height nut, (Fig. 7) on lift
mechanism, clockwise to raise or counterclockwise to
lower mower.
2. Adjust nut until there is 1/16–1/8 ” clearance between
belt cover and left footrest.
1
1223
Figure 7
1. Nut
Side-to-Side Mower Leveling
The mower blades must be level from side to side. Check
the side-to-side level any time you install the mower or
when you see an uneven cut on your lawn. Before you
level the mower, set the air pressure in the front and rear
tires to 12 psi (.85 kPa).
2-3/4” to 4” Height-of-Cut Range
When the mower height-of-cut is set to the 2-3/4” to 4”
range the mower is suspended from the tractor.
1. Park the tractor on a flat surface, disengage the power
take off (PTO), set the parking brake, and turn the
ignition key to “OFF” to stop the engine. Remove the
key.
2. Raise attachment lift lever all the way to the latched
position.
3. Carefully rotate blade(s) side to side (Fig. 8). Measure
between the outside cutting edges and the flat surface
(Fig. 8). If both measurements are not within 3/16”, an
adjustment is required; refer to steps 4 and 6.
Front
2
2
1
3
Figure 8
1. Blades side to side
2. Outside cutting edges
4. Loosen adjustment bolt on one side and rotate hanger
bracket to raise or lower mower (Fig. 9).
5. After adjusting, tighten bolt and check side-to-side
level.
Important If hanger is rotated to the end of
adjustment on one side and mower is not level, adjust the
opposite side.
3. Measure here
3
7
Page 10
Assembly
1
2
1224
Figure 9
1. Bolt 2. Hanger bracket
6. Now check the front-to-rear blade slope; refer to
Front-to-Rear Blade Slope, page 8.
3/4” to 2-3/4” Height-of-Cut Range
When the mower height-of-cut is set to the 3/4” to 2-3/4”
range the rear gage wheels contact the ground. There is no
side-to-side adjustment for this height range, see
Front-to-Rear Blade Slope.
Front-to-Rear Blade Slope
Check the front-to-rear blade slope any time you install
the mower. Before checking the slope, set air pressure in
the front and rear tires to 12 psi (.85 kPa). If the front
blade tip is not 0–3/8” (0–9.5 mm) lower than the rear
blade tip, adjust the blade slope using the following
instructions:
1. Park the tractor on a flat surface, disengage the power
take off (PTO), set the parking brake, and turn the
ignition key to “OFF” to stop the engine. Remove the
key.
2. Check and adjust side-to-side blade level if you have
not checked the setting; refer to Side-to-Side Mower
Leveling, page 7.
3. Adjust the Dial-A-Height knob so the height-of-cut is
in the middle of the range and lower attachment lift.
4. Carefully rotate blades so they are facing front and
rear (Fig. 10).
5. Measure between the tip of the front blade (Fig. 10)
and the tip of the rear blade to the flat surface. If the
front blade tip is not 0–3/8” (0–9.5 mm) lower than the
rear blade tip adjust front adjustment link.
2
Front
1078
1
4
3
4
Figure 10
1. Blade front to rear
2. Measure front blade tip
3. Measure rear blade tip
4. Measure here
6. To adjust front-to rear blade level loosen jam nut on
front adjustable link. (Fig. 11).
7. Rotate the bolt on front adjustable link to change
front-to rear blade level (Fig. 11).
Note: To raise the front of the mower, shorten the
adjustable link by turning bolt clockwise.
8
Page 11
Assembly
3
1
2
m–3167
Figure 11
1. Adjustable link
2. Jam nut
3. Bolt
8. When front-to-rear slope is correct, tighten jam nut.
Recheck side-to-side mower level; refer to
Side-to-Side Mower Leveling, page 7.
Removing the Mower
1. Park the tractor on a flat surface, disengage the power
take off (PTO), set the parking brake, and turn the
ignition key to “OFF” to stop the engine. Remove the
key.
2. Raise attachment lift, turn Dial-a-Height knob
counterclockwise, all the way, and lower the
attachment lift lever to the mounting position; refer to
tractor Operator’s Manual.
3. Pull on idler pulley to relax belt tension and remove
mower drive belt from engine drive pulley.
4. Remove 2–9/16” hairpin cotter and 1/2” washer from
front adjustable link and remove from front lift arm
(Fig. 12).
3
1
2
m–3536
Figure 12
1. Adjustable link
2. Washer 1/2”
3. Hairpin cotter 2–9/16”
5. Remove 2–9/16” hairpin cotter and 1/2” washer from
rear link and remove from attachment lift (Fig. 13).
6. Remove 3–3/8” hairpin cotters and 3/4” washers from
rear lift arms (Fig. 13).
7. Slide deck right, off rear lift arms (Fig. 13).
9
Page 12
Assembly
4
1
5
2
3
Figure 13
1. Lift arm
2. Washer 3/4”
3. Hair pin cotter 3–9/16”
4. Rear link
5. Attachment lift
8. Turn the front wheels fully to the left and raise
attachment lift lever all the way to the latched
position; refer to tractor Operator’s Manual. Slide the
mower out from under the chassis to the the right side
(Fig. 14)
1234a
Note: Save all hardware, washers, and hairpin cotters for
use when installing deck.
m–3625
Figure 14
10
Page 13
Operation
Operating the
Power Take Off (PTO)
Side Discharge
POTENTIAL HAZARD
• Without the grass deflector, discharge cover, or
complete grass catcher assembly mounted in
place, you and others are exposed to blade
contact and thrown debris.
WHAT CAN HAPPEN
• Contact with rotating mower blade(s) and
thrown debris will cause injury or death.
HOW TO AVOID THE HAZARD
• NEVER remove the grass deflector from the
mower because the grass deflector routes
material down toward the turf. If the grass
deflector is ever damaged, replace it
immediately.
• Never put your hands or feet under the mower.
• Never try to clear discharge area or mower
blades unless you move the power take off
(PTO) to “OFF” and rotate the ignition key to
“OFF.” Also remove the key and pull the wire
off the spark plug(s).
The power take off (PTO) engages and disengages power
to the electric clutch.
While the ignition key is in the “RUN” or “LIGHTS”
positions and the power take off (PTO) is engaged “ON“,
the PTO light, in the Indicator Module, will be “ON“.
When this light is “ON” it is a reminder; the starter will
not crank and to turn the off PTO before getting off.
Engaging the Power Take Off (PTO)
1. Depress the brake and/or clutch pedal(s) to stop the
machine.
2. Pull the power take off (PTO) to “ON” (Fig. 15).
2
1
1. The mower has a hinged grass deflector that disperses
clippings to the side and down toward the turf.
1206
Figure 15
1. Off-Disengaged 2. On-Engaged
Disengaging the Power Take Off (PTO)
1. Depress the brake and/or clutch pedal(s) to stop the
machine.
2. Push the power take off (PTO) to “OFF”
(Fig. 15).
11
Page 14
Operation
Attachment Lift Lever
The attachment lift lever (on some models) (Fig. 16) is
used to raise and lower various attachments.
Raising Attachments
1. Depress the brake pedal to stop the machine.
2. Pull attachment lift lever rearward until latch locks. In
this position the lift will hold the attachment in the up,
or raised position.
Lowering Attachments
1. Depress the brake and/or clutch pedal(s) to stop the
machine.
2. Pull attachment lift lever rearward, to release lift
pressure, and push the button on top to release the
latch. Move lift lever forward to lower attachment.
2
1
Attachment Power Lift
The attachment power lift (on some models) (Fig. 17) is
used to raise and lower attachments.
Raising Attachments
1. Turn key to the “ON” or “RUN” position (Fig. 17).
2. Push the lift switch in the “UP” direction to raise the
attachment lift (Fig. 17). This will lift and hold the
attachment in the up, or raised position.
Lowering Attachments
1. Turn key to the “ON” or “RUN” position (Fig. 17).
2. Push the lift switch in the “DOWN” direction to lower
the attachment lift (Fig. 17). This will lower the
attachment lift.
2
3
1. Lift lever
2. Button
3. Dial-A-Height
Figure 16
4. Indicator
5. High
6. Mounting position
3
1
5
4
6
1205
2266
Figure 17
1. Key
2. Lift switch UP
3. Lift switch DOWN
12
Page 15
Operation
Adjusting Dial-A-Height
The Dial-A-Height control (Fig. 16) is used to limit the
downward travel of the attachment. The Dial-A-Height
knob is rotated to change the location of this stop, up or
down.
1. Raise the attachment lift lever: Refer to Raising
Attachments. In the raised, position the Dial-A-Height
knob (Fig. 16) can be rotated to change the stop
location. Turn clockwise to raise and counterclockwise
to lower the height of the attachment.
2. The Dial-A-Height indicator (Fig. 16) will show the
change, high to low, in attachment lift height as
adjustment is made.
Adjusting Anti-Scalp Rollers
The anti-scalp rollers guide the mower over uneven turf
without scalping the lawn. For most cutting conditions
they should be located in the lower hole. When cutting in
1-1/2” height-of-cut or lower move the anti-scalp rollers
to the upper hole position.
1. Raise the attachment lift lever; refer to Raising
Attachments.
2. Remove cotter pin, bolt and shaft to change hole
location (Fig. 18).
3. Select the hole position for the height-of-cut to be used
and insert rod (Fig. 18).
4. Secure rod with bolt and cotter pin.
3
4
5
6
1. Roller
2. Cotter pin
3. Bolt
2
1
1220
Figure 18
4. Rod
5. Upper hole
6. Lower hole
13
Page 16
Operation
Tips for Mowing Grass
Fast Throttle Setting
For best mowing and maximum air circulation, operate
the engine at “FAST.” Air is required to thoroughly cut
grass clippings, so do not set the height-of-cut so low, as
to totally surround the mower by uncut grass. Always try
to have one side of the mower free from uncut grass,
which allows air to be drawn into the mower.
Cutting a Lawn for the First Time
Cut grass slightly longer than normal to ensure the cutting
height of the mower does not scalp any uneven ground.
However, the cutting height used in the past is generally
the best one to use. When cutting grass longer than six
inches tall, you may want to cut the lawn twice to ensure
an acceptable quality-of-cut.
Cut 1/3 of the Grass Blade
It is best to cut only about 1/3 of the grass blade. Cutting
more than that is not recommended, unless grass is sparse
or it is late fall when grass grows more slowly.
When Stopping
If the machine’s forward motion must be stopped while
mowing, a clump of grass clippings may drop onto your
lawn. To avoid this:
1. With the blade(s) “ENGAGED,” move onto a
previously cut area.
2. To disperse the clippings evenly, raise the mower one
or two height-of-cut settings while driving forward
with the blade(s) “ENGAGED.”
Keep the Underside of the Mower Clean
Clean clippings and dirt from the underside of the mower
after each use. If grass and dirt build up inside the mower,
cutting quality will eventually become unsatisfactory.
Blade Maintenance
Maintain a sharp blade throughout the cutting season
because a sharp blade cuts cleanly without tearing or
shredding the grass blades. Tearing and shredding turns
grass brown at the edges, which slows growth and
increases the chance of disease. Every 30 days, check the
cutter blade(s) for sharpness and file down any nicks.
Mowing Direction
Alternate mowing direction to keep the grass standing
straight. This also helps disperse clippings which enhances
decomposition and fertilization.
Mow at Correct Intervals
Normally, mow every 4 days. But remember, grass grows
at different rates at different times. So to maintain the
same cutting height, which is a good practice, mow more
often in early spring. As the grass growth rate slows in
mid summer, mow less frequently. If you cannot mow for
an extended period, first mow at a high cutting height;
then mow again 2 days later at a lower height setting.
Avoid Cutting Too Low
If the cutting width of the mower is wider than the mower
you previously used, raise the cutting height to ensure
uneven turf is not cut too short.
Long Grass
If the grass is allowed to grow longer than normal, or if it
contains a high degree of moisture, increase the cutting
height and cut the grass. Then cut the grass again using
the lower, normal setting.
14
Page 17
Maintenance
Service Interval Chart
Each
Service Operation
Cutter Blade—check X X X
Grease–Mower deck X X
Belts—check for wear/cracks X
Mower Housing—clean X X X
Chipped Surfaces—paint X
Tires—check pressure X X
POTENTIAL HAZARD
• If you leave the key in the ignition switch, someone could start the engine.
WHAT CAN HAPPEN
• Accidental starting of the engine could seriously injure you or other bystanders.
HOW TO AVOID THE HAZARD
• Remove the key from the ignition switch and pull the wire off the spark plug before you do
any maintenance. Also push the wire aside so it does not accidentally contact the spark plug.
Use5Hours25Hours50Hours
Storage
Service
Notes
15
Page 18
Maintenance
Cutting Blade
To ensure a superior quality of cut, keep the blade(s)
sharp. For convenient sharpening and replacement, you
may want to have an extra blade(s).
POTENTIAL HAZARD
• A blade that is worn or damaged could break
apart and pieces could be thrown at bystanders
or at you as you use the mower.
WHAT CAN HAPPEN
• Pieces of blade that may be thrown could
seriously injure or kill you or bystanders.
HOW TO AVOID THE HAZARD
• Periodically inspect the blade for wear and
damage. Immediately install a new blade if it is
worn or damaged.
Inspecting the Blade(s)
1. Remove the mower; refer to Removing the Mower,
page 9.
2. Inspect the cutting edges (Fig. 19). If the edges are not
sharp or have nicks, remove the blade(s) and sharpen
them; refer to Sharpening the Blade(s), page 17.
Removing the Blade
1. Remove the mower; refer to Removing the Mower,
page 9.
2. Carefully tip the mower over.
3. Remove the nut, flat washer, blade, and washer (Fig.
20). A block of wood may be wedged between the
blade and the mower to lock the blade when you are
removing the bolt.
4. Inspect all parts. If a defect or damage is noticed,
install new parts.
5
4
3
2
1
Figure 20
1. Nut
2. Flat washer, thick
3. Blade
4. Washer, thin
5. Spindle
3. Inspect the blade(s), especially the curved area (Fig.
19). If you notice any damage, wear, or a slot forming
in this area (Fig. 19), immediately install a new blade.
2
1
Figure 19
1. Cutting edge
2. Curved area
3. Wear/slot forming
3
151
16
Page 19
Maintenance
Sharpening the Blade(s)
1. Use a file to sharpen the cutting edge at both ends of
the blade (Fig. 21). Maintain the original angle. The
blade retains its balance if the same amount of
material is removed from both cutting edges.
1
Figure 21
1. Sharpen a t original angle
2. Check the balance of the blade by putting it on a blade
balancer (Fig. 22). If the blade stays in a horizontal
position, the blade is balanced and can be used. If the
blade is not balanced, file some metal off the back side
of the blade. Repeat this procedure until the blade is
balanced.
Installing the Blade(s)
1. Install the washer, blade, flat washer, and the blade nut
(Fig. 23).
Important The curved part of the blade must be
pointing up to ensure proper cutting.
2. Tighten the blade nut to 80-100 ft–lb (109-136 Nm).
5
4
3
2
1
Figure 23
1. Nut
2. Flat washer, thick
3. Blade
4. Washer, thin
5. Spindle
2
1
Figure 22
1. Blade 2. Balancer
17
Page 20
Maintenance
Greasing and Lubrication
Service Interval/Specification
Grease the machine after every 50 operating hours or once
a year, whichever occurs first. Grease more frequently
when operating conditions are extremely dusty or sandy.
Grease Type: General-purpose grease.
How to Grease
1. Disengage the power take off (PTO), set the parking
brake, and turn the ignition key to “OFF” to stop the
engine. Remove the key
2. Clean the grease fittings with a rag. Make sure to
scrape any paint off the front of the fitting(s).
3. Connect a grease gun to the fitting. Pump grease into
the fittings.
4. Wipe up any excess grease.
Where to Add Grease
1. Lubricate the blade spindles, idler pulley arm and gage
wheel bearings (Fig. 24).
Blade Drive Belt
Removing the Blade Drive Belt
1. Remove the mower; refer to Removing the Mower,
page 9.
2. Remove the pulley cover mounting screws and pulley
covers from both blade pulleys (Fig. 25).
3. Remove the belt from the pulleys (Fig. 25).
Installing the Blade Drive Belt
1. Install the new belt around the blade pulleys and the
idler pulley.
2. Install the left and right pulley covers with the
mounting screws (Fig. 25).
3. Install the mower; refer to Installing the Mower,
page 5.
3
2
1
Figure 24
m–3136
1
1. Pulley cover
2. Idler pulley
m–3136
Figure 25
Top View
3. Mower belt
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Storage
1. Clean dirt and chaff from the outside of the engine’s
cylinder head fins and blower housing. Also remove
grass clippings, dirt, and grime from the external parts
of the entire machine, especially the engine,
shrouding, and the top of the mower.
Important You can wash the machine with mild
detergent and water. Do not pressure wash the machine.
Avoid excessive use of water, especially near the control
panel, lights, engine, and the battery.
2. Scrape heavy buildup of grass and dirt from the
underside of the mower. Then wash the mower with a
garden hose.
3. Check the condition of the blade(s); refer to Cutting
Blade, page 16.
4. Check the condition of the blade drive belt.
5. Grease the mower deck; refer to Greasing and
Lubrication, page 18.
Maintenance
6. Check and tighten all bolts, nuts, and screws. Repair or
replace any part that is damaged or defective.
7. Paint all scratched or bare metal surfaces. Paint is
available from your Authorized Service Dealer.
8. Store the machine in a clean, dry garage or storage
area. Remove the key from the ignition switch and
keep it in a memorable place. Cover the machine to
protect it and keep it clean.
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Troubleshooting
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PROBLEM POSSIBLE CAUSES CORRECTIVE ACTION
Abnormal vibration.
Blade(s) does not rotate.
Uneven cutting height.
1. Cutting blade(s) is bent or
unbalanced.
2. Blade mounting bolt is loose. 2. Tighten blade mounting bolt.
3. Engine mounting bolts are
loose.
4. Loose engine pulley, idler
pulley, or blade pulley.
5. Engine pulley is damaged. 5. Contact Authorized Service
1. Blade drive belt is worn, loose
or broken.
2. Blade drive belt is off pulley. 2. Install blade drive belt and
1. Tire pressure is incorrect. 1. Set tire pressure.
2. Mower is not level. 2. Level mower from side-to-side
3. Underside of mower is dirty. 3. Clean the underside of the
1. Install new cutting blade(s).
3. Tighten engine mounting bolts.
4. Tighten the appropriate pulley.
Dealer.
1. Install new blade drive belt.
check idler pulley and belt
guides for correct position.
and front-to-rear.
mower.
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