Form No. 3328–108 Rev A
42 Rear Discharge Mower, 42,
48, and 52 Side Discharge Mower
Wheel Horse XT Series Garden Tractor
Attachment
Model No. 78291—230000001 and Up
Model No. 78292—230000001 and Up
Model No. 78290—230000001 and Up
Model No. 78294—230000001 and Up
Operator ’s Manual
Domestic English (EN)
Contents
Page
Introduction 2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Safety and Instruction Decals 3. . . . . . . . . . . . . . . .
Setup 4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Loose Parts 4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Installing the Grass Deflector on 42 and 48 inch Side
Discharge Mowers 4. . . . . . . . . . . . . . . . . . . . . . .
Installing the Grass Deflector 52 inch Mowers 5. .
Installing the Mower 5. . . . . . . . . . . . . . . . . . . . . .
Checking the Side-to-Side Blade Cut 8. . . . . . . . . .
Adjusting the Side-to-Side Blade Cut 8. . . . . . . . .
Checking the Front-to-Rear Blade Slope 8. . . . . . .
Changing the Front-to-Rear Blade Slope 9. . . . . . .
Transport Height Adjustment 9. . . . . . . . . . . . . . . .
Operation 10. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Using the Side Discharge 10. . . . . . . . . . . . . . . . . . .
Operating the Power Take Off (PTO) 10. . . . . . . . . .
Using the Attachment Power Lift 11. . . . . . . . . . . . .
Operating the Attachment Lift Lever 11. . . . . . . . . .
Adjusting the Height of Cut 11. . . . . . . . . . . . . . . . .
Removing the Mower 12. . . . . . . . . . . . . . . . . . . . . .
Tips for Mowing Grass 13. . . . . . . . . . . . . . . . . . . . .
Maintenance 14. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Recommended Maintenance Schedule 14. . . . . . . . .
Servicing the Cutting Blades 14. . . . . . . . . . . . . . . .
Greasing and Lubrication 16. . . . . . . . . . . . . . . . . . .
Removing the Hood 17. . . . . . . . . . . . . . . . . . . . . . .
Servicing the Mower Belt 17. . . . . . . . . . . . . . . . . . .
Replacing the Power Take Off (PTO) Belt 17. . . . . .
Replacing the Mower Drive Belt 18. . . . . . . . . . . . .
Cleaning and Storage 18. . . . . . . . . . . . . . . . . . . . . .
Troubleshooting 19. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
The Toro Total Coverage Guarantee 20. . . . . . . . . . . . .
Introduction
Read this manual carefully to learn how to operate and
maintain your product properly. The information in this
manual can help you and others avoid injury and product
damage. Although Toro designs and produces safe
products, you are responsible for operating the product
properly and safely.
1
m–2828
Figure 1
1. Location of the model and serial numbers
Write the product model and serial numbers in the space
below:
Model No.
Serial No.
This manual identifies potential hazards and has special
safety messages that help you and others avoid personal
injury and 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 you do not follow the recommended
precautions.
Warning signals a hazard that may cause serious injury or
death if you do not follow the recommended precautions.
Caution signals a hazard that may cause minor or moderate
injury if you do not follow the recommended precautions.
This manual uses two other words to highlight information.
Important calls attention to special mechanical
information and Note: emphasizes general information
worthy of special attention.
Whenever you need service, genuine Toro parts, or
additional information, contact an Authorized Service
Dealer or Toro Customer Service and have the model and
serial numbers of your product ready. Figure 1 illustrates
the location of the model and serial numbers on the
product.
2003 by The Toro Company
8111 Lyndale Avenue South
Bloomington, MN 55420-1196
All Rights Reserved
Printed in the USA
2
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.
111655
65-2690
92-7108
93-1122
98-3480
106-5801
92-7109
43-8480
3
Setup
Note: Determine the left and right sides of the machine
from the normal operating position.
Loose Parts
Note: Use the chart below to identify parts used for assembly.
DESCRIPTION QTY. USE
Grass deflector
Torsion spring
Washer, 1/2 inch
Cotter pin, 3/4 inch
Plastic washer
Rubber bushing
Jam nut, 3/8 inch
Grass deflector
Spring
Bolt, 3/8 x 3-1/2 inch
Locknut, 3/8 inch
Belt, PTO Drive
Belt, Mower Drive
Pulley box assembly
Operator’s Manual 1 Read before operating
Warning
1
1
1
1
2
1
1
1
2
2
2
1
1
1
Installing the grass deflector on 42 and 48 inch
side discharge mowers
Installing the grass deflector on 52 inch mowers
Installing the mower
Installing the Grass Deflector
on 42 and 48 inch Side
An uncovered discharge opening could allow the
lawn mower to throw objects in the operator’s or
bystander’s direction and result in serious injury.
Also, contact with the blade could occur.
• 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).
Discharge Mowers
1. Locate items shown in Figure 2.
2. Place the straight end of the spring into the small hole
in the discharge chute (Fig. 2).
3. Position the spring and discharge chute over post on
rear of deck and secure with a washer (1/2 inch) and a
cotter pin (3/4 inch) (Fig. 2).
4. Slide the rubber bushing and plastic washer over the
stud at the front of mower.
5. Place the discharge chute over the stud and secure it
with a plastic washer and jam nut (3/8 inch) (Fig. 2).
Important Grass deflector must be spring loaded in the
down position. Lift deflector up to test that it snaps to the
full down position.
4
10
Top View
6
2
1
4
3
1. Discharge chute
2. Spring
3. Cotter pin, 3/4 inch
4. Washer, 1/2 inch
5. Rubber bushing
6. Plastic washer
Figure 2
9
8
2
7
1
m–6598
7. Jam nut, 3/8 inch
8. Straight end of spring
9. Small hole in discharge
chute
10. Wheel
3
2
5
4
5
1
7
6
1783
Figure 3
1. Bracket
2. Spring hook end
3. space for spring
4. Grass deflector
5. Bolt, 3/8–3-1/2 inch
6. Lock nut, 3/8 inch
7. Raised back
Installing the Mower
1. Disengage the PTO and set the parking brake.
2. Stop the engine, remove the key, and wait for all
moving parts to stop before leaving the operating
position.
3. Position the mower on the right side of the tractor.
Installing the Grass Deflector
52 inch Mowers
1. Place the springs into the brackets on mower with the
hooked ends over the raised back (Fig. 3).
2. Align the grass deflector with the holes in the brackets
and the spring straight end in the space under the hinge
and above the deflector (Fig. 3).
3. Secure the deflector to the bracket with 2 bolts
(3/8 x 3-1/2 inch) and 2 locknuts (3/8 inch) (Fig. 3).
4. Lift grass deflector and check that it is spring loaded
and pivots freely to the full down position.
Important Grass deflector must be spring loaded in the
down position. Lift the deflector up to test that it snaps
down to the full down position.
4. Turn the front wheels fully to the left and raise
attachment lift lever or electric lift all the way up. Refer
to the tractor Operator’s Manual.
5. Open the mid-mount hitch by pulling out the J–pin and
moving the lock handle rearward (Fig. 4).
1
m–6622
Figure 4
1. Front hitch
2. Mid-mount hitch
3. J–pin
4. Lock handle
4
2
3
5
6. Slide the mower under the tractor from the right side
and slide the attachment lift between the center and left
side level bar (Fig. 5).
7. Straighten the front wheels and lower the attachment lift
lever or electric lift to the mounting position; refer to
the tractor Operator’s Manual.
8. Place the attachment lift pin into the slot in the center
lever bar and secure it with a washer (3/4 inch) and a
hairpin cotter (Fig. 5).
1
5
6
2
4
1. Front mounting shaft
2. Fork
3. Spacer
5
Figure 6
2
3
3
4. Mid-mount hitch plate
5. Hitch rod
m–2825
1
3
4
m–2824
Figure 5
1. Attachment lift
2. Slot in center level bar
3. Washer
4. Hairpin cotter pin
5. Left level bar
6. Right footrest
9. Rotate the front mounting shaft so the fork faces
straight up and aligned so the spacers are between the
mid-mount hitch plates (Fig. 6).
10.Lift the mower with the attachment lift lever or electric
lift and guide the fork to capture the hitch rod (Fig. 6).
11. Close the mid-mount hitch lock handle by rotating it
forward (Fig. 4).
Installing the Front Pulley Box
Install the front pulley box if it is not already installed.
1. Rotate the knobs to adjust the idler pulleys so there is a
1/4 inch (7 mm) clearance between the idler arms and
the mounting pins.
4
2
1
3
1. Mounting Pins
2. Idler arm
Figure 7
3. 1/4 inch (7 mm) clearance
4. Knob
4
1
3
2
m–6621
2. Make sure the front latches are open and then slide the
pulley box into the front hitch.
Note: Make sure the pulley box engages and closes the
latches.
3. Adjust both idler pulleys until they are totally to the
outside by turning the knobs.
6
4
1
3
Figure 8
1. Front hitch
2. Pulley box
Installing the PTO Belt
Warning
3. Knob
4. Idler pulley
2
m–6620
4
7
8
1. Pulley box
2. Upper pulley
3. Upper Idler pulley
4. PTO clutch pulley
5. Right knob
3 2
6
5 1
m–6624
Figure 9
6. Left knob
7. PTO belt
8. Check 1/2 inch deflection
here
Components around engine will be hot if the
machine has been running. Touching hot
components can cause burns.
• Do not touch the engine components or the
muffler when hot.
• Allow the engine to cool before performing
maintenance.
If desired, remove the hood for better access to the upper
pulleys in the pulley box. Refer to Removing the Hood on
page 17.
1. Install the PTO belt onto the clutch pulley (Fig. 9).
2. Install the PTO belt onto the upper pulley and upper
idler pulley in the pulley box (Fig. 9).
3. Turn the left knob on the front pulley box to tighten the
PTO drive belt (Fig. 9). There needs to be a 1/2 inch
(13 mm) deflection in the belt.
Installing the Mower Drive Belt
1. Adjust the mower height–of–cut to the middle position;
refer to Adjusting the Height–of–Cut, page 11.
2. Install the mower drive belt onto the mower center
pulley (Fig. 10). Ensure that it is on the upper center
pulley.
3. Install the mower drive belt onto the lower pulley and
the lower idler pulley in the pulley box (Fig. 10).
4. Turn the right knob on the front pulley box to tighten
the mower drive belt (Fig. 9). There needs to be a
1/2 inch (13 mm) deflection in the belt.
7
6
5
4
23
Figure 10
1. Pulley box
2. Lower pulley
3. Lower Idler pulley
4. Mower center pulley
5. Mower drive belt
6. Check 1/2 inch deflection
here
Checking the Side-to-Side
Blade Cut
1. Check the tire pressure on the tractor. Refer to the
tractor operator’s manual.
m–6625
MEASURE FROM
CUTTING EDGE TO
A LEVEL SURFACE
1
Figure 12
m–2550
Adjusting the Side-to-Side
Blade Cut
This adjustment is available if necessary to compensate for
uneven side-to-side cut.
1. Adjust the side-to-side cut by adjusting the two carriage
bolts (Fig. 13) on the rear left of the mower.
2. After adjusting the carriage bolts, check the
side–to–side blade cut. Refer to Checking
the Side–to–Side Blade Cut (Fig. 13).
3. Repeat steps 1 and 2 until the difference is no more than
a 1/4 inch.
2. Position the blades side-to-side (Fig. 11). Measure at A
and B locations (Fig. 11) from a level surface to the
cutting edge of blade tips (Fig. 12).
3. The difference between measurements A and B should
be no more than a 1/4 inch (6 mm).
Front
A
B
m–1078
Figure 11
1
m–3459
Figure 13
1. Side-to-side adjustment bolts
Checking the Front-to-Rear
Blade Slope
Check the front-to-rear blade slope any time you install the
mower.
1. Check the tire pressure on the tractor. Refer to the
tractor operator’s manual.
2. Position one blade front-to-rear (Fig. 14). Measure at C
and either D location (Fig. 14) from a level surface to
the cutting edge of the blade tips (Fig. 15).
8
3. The mower blade should be 1/8–1/4 inch (4–7 mm)
lower in front at C than in the rear at D. Rotate the
blades and repeat for the other blades.
4. If it is not correct, proceed to Changing the
Front–to–Rear Blade Slope; page 9.
Front
1
2
C
D
D
Figure 14
MEASURE FROM
CUTTING EDGE TO A
LEVEL SURFACE
Figure 15
Changing the Front-to-Rear
m–1078
m–2539
m–3499
Figure 16
1. Adjustable link 2. Locknut
Transport Height Adjustment
Transport height is adjusted to stabilize the mower in the
up, locked position.
1. Raise the mower to the highest height–of–cut (Fig. 23)
and check if the transport level stops contact the bottom
of the draft bars (Fig. 17).
2. If needed, loosen and adjust the transport level stops so
they just contact the bottom of the draft bars (Fig. 17).
Blade Slope
1. To adjust the front–to–rear blade slope turn the locknut
on rear adjustable link (Fig. 16).
Note: To raise the front of the mower, turn locknut
clockwise, to lower front turn counterclockwise.
2. After adjusting, check the front–to–rear blade slope.
Refer to Checking the Front–to–Rear Blade Slope;
page 8.
3. Repeat steps 1 and 2 until the difference is no more than
a 1/4 inch.
m–6637
3
1
2
Figure 17
1. Transport level
stop—right side shown
2. Draft bar
3. Right side footrest
3. Raise the attachment lift lever or electric lift all the way
up. Check if bumpers, on rear of mower draft bars
contact under footrests (Fig. 18).
9
Using the Side Discharge
1
2
4
An uncovered discharge opening could allow the
3
lawn mower to throw objects in the operator’s or
bystander’s direction and result in serious injury.
Also, contact with the blade could occur.
Warning
m–6623
Figure 18
1. Bumper
2. Right rear tire
4. If the bumpers do not contact footrests, adjust the lift
chain by turning the nut on the eyebolt in the rear hole
of tractor lift (Fig. 19). Turn the nut clockwise to raise
the mower or counterclockwise to lower it.
5. If one of the bumpers does not contact the footrest,
adjust the appropriate transport level stop (Fig. 17).
5
1. Bumper
2. Trunnion
3. Leveling bolts
2
Figure 19
3. Draft bar
4. Footrest
1
4
3
4. Transport level stop
5. Hairpin cotter
m–2813
• 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).
1. The mower has a hinged grass deflector that disperses
clippings to the side and down toward the turf.
Operating the
Power Take Off (PTO)
The power take off (PTO) switch engages and disengages
power to the electric clutch.
The PTO light, in the Indicator Module, will be on when
the ignition key is in run or the lights position and the
power take off (PTO) is engaged. When this light is on, it is
a reminder the starter will not crank and to turn the off PTO
before getting off the tractor.
Engaging the Power Take Off (PTO)
1. Move the throttle to the fast position.
2. Pull the power take off (PTO) to the on position
(Fig. 20).
Operation
Note: Determine the left and right sides of the machine
from the normal operating position.
1
Figure 20
1. PTO—Off 2. PTO—On
10
2
m–6524
Disengaging the Power Take Off (PTO)
1. Push the power take off (PTO) to the off position
(Fig. 20).
Using the Attachment Power
Operating the Attachment Lift
Lever
The attachment lift lever (Fig. 22) is used to raise and lower
various attachments.
Lift
The attachment power lift (Fig. 21) is used to raise and
lower attachments.
Raising Attachments
1. Turn key to the on or run position (Fig. 21).
2. Push the lift switch in the up direction to raise the
attachment lift (Fig. 21). 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. 21).
2. Push the lift switch in the down direction to lower the
attachment lift (Fig. 21). This will lower the attachment
lift.
2
Raising an Attachment
1. Depress the brake pedal to stop the machine.
2. Pull the attachment lift lever rearward until the latch
locks. In this position the lift will hold the attachment in
the up, or raised position.
Lowering an Attachment
1. Depress the brake pedal to stop the machine.
2. Pull the attachment lift lever rearward, to release the lift
pressure, and push the button on top to release the latch.
Move the lift lever forward to lower the attachment.
2
1
3
1. Key
2. Lift switch —up
Figure 21
3. Lift switch —down
1
m–6531
Figure 22
1. Lift lever 2. Button
m–6513
Adjusting the Height of Cut
The rear support wheels adjust for different heights of cut,
between 1-1/2 and 4-1/2 inch (4 to 11 cm).
1. Disengage the PTO and set the parking brake.
2. Stop the engine, remove the key, and wait for all
moving parts to stop before leaving the operating
position.
11
3. Pull the height-of-cut lever out to disengage it from the
quadrant (Fig. 23).
1
3
5
4
2
m–3474
Figure 23
1. Height-of-cut lever
2. Quadrant
3. High
4. Low
5. Medium position
4. Adjust the height-of-cut to the desired level (Fig. 23).
5. Release the lever inward to lock it into the quadrant
(Fig. 23).
Removing the Mower
1. Disengage the PTO and set the parking brake.
2. Stop the engine, remove the key, and wait for all
moving parts to stop before leaving the operating
position.
3. Lower the mower.
4. Remove the washer (3/4 inch) and a hairpin cotter from
the attachment lift pin into the slot in the center lever
bar (Fig. 5).
5. Open the mid-mount hitch by pulling out the J–pin and
moving the lock handle rearward (Fig. 24).
6. Turn the right knob on the front pulley box to loosen the
mower drive belt (Fig. 9).
7. Remove the mower drive belt from the mower
(Fig. 10).
8. Remove the mower drive belt from the lower pulley and
lower idler pulley in the pulley box (Fig. 10).
9. Turn the front wheels fully to the left and raise the
attachment lift lever or electric lift all the way up.
1
m–6622
Figure 24
1. Front hitch
2. Mid-mount hitch
3. J–pin
4. Lock handle
10.Slide the mower from under the chassis to the right side
of the tractor (Fig. 5).
11. If needed, remove the pulley box by pushing on the
release lever and removing the pulley box (Fig. 24).
4
2
3
12
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.
Long Grass
If the grass is ever allowed to grow slightly longer than
normal, or if it contains a high degree of moisture, raise the
cutting height higher than usual and cut the grass at this
setting. Then cut the grass again using the lower, normal
setting.
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.
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.
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.
Ground Speed
To improve cut quality, use slower ground speed.
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.
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.
13
Maintenance
Note: Determine the left and right sides of the machine from the normal operating position.
Recommended Maintenance Schedule
Maintenance Service
Interval
Each Use • Mower Housing—clean
5 Hours
25 Hours • Mower deck—grease
At Storage
Important Refer to your engine operator’s manual for additional maintenance procedures.
Maintenance Procedure
• Cutter Blade—check
• Mower Housing—clean
• Cutter Blade—check
• Mower deck—grease
• Belts—check for wear/cracks
• Mower Housing—clean
• Chipped Surfaces—paint
• Tires—check pressure
Caution
If you leave the key in the ignition switch, someone could accidently start the engine and
seriously injure you or other bystanders.
Remove the key from the ignition and disconnect the wire from the spark plug(s) before you do
any maintenance. Set the wire aside so that it does not accidentally contact the spark plug.
Servicing the Cutting Blades
To assure a superior quality of cut, keep the blade(s) sharp.
For convenient sharpening and replacement, you may want
to have an extra blade(s).
Danger
A worn or damaged blade can break, and a piece
of the blade could be thrown into the operator’s or
bystander’s area, resulting in serious personal
injury or death.
• Inspect the blade periodically for wear or
damage.
• Replace a worn or damaged blade.
Warning
A blade that is bent or damaged could break apart
and could seriously injure or kill you or
bystanders.
• Always replace bent or damaged blade with a
new blade.
• Never file or create sharp notches in the edges
or surfaces of blade.
Inspecting the Blade(s)
Inspect the blades every 5 hours.
1. Remove the mower; refer to Removing the Mower,
page 12.
2. Carefully tip the mower over.
14
3. Inspect the cutting edges (Fig. 25). If the edges are not
sharp or have nicks, remove the blade(s) and sharpen
them; refer to Sharpening the Blade(s), page 16.
5
4
4. Inspect the blade(s), especially the curved area
(Fig. 25). If you notice any damage, wear, or a slot
forming in this area (Fig. 25), immediately install a new
blade.
1
2
3
Figure 25
1. Cutting edge
2. Curved area
3. Wear/slot forming
Removing the Blades for a 42 inch Side
or Rear Discharge Mower
Note: Make sure the blade and hardware are install in the
positions shown in Figure 26.
1. Remove the mower; refer to Removing the Mower,
page 12.
151
3
2
1
m–6659
Figure 26
1. Nut
2. Washer – thick
3. Blade
4. Flat washer – thin
5. Spindle
Removing the Blades for a 48 inch Mower
Note: Make sure the blade and hardware are install in the
positions shown in Figure 27.
1. Remove the mower; refer to Removing the Mower,
page 12.
2. Carefully tip the mower over.
3. Remove the nut, washer (thick), blade and flat washer
(Fig. 27). 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 damage is noticed, install new parts.
2. Carefully tip the mower over.
3. Remove the nut, flat washer, blade and washer (thick)
(Fig. 26). 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 damage is noticed, install new parts.
5
1. Nut
2. Washer – thick
3. Blade
2
3
4
1
m–5617
Figure 27
4. Flat washer – thin
5. Spindle
15
Removing the Blades for a 52 Inch Mower
1. Remove the mower; refer to Removing the Mower,
page 12.
2. Carefully tip the mower over.
blade is not balanced, file some metal off the back side
of the blade. Repeat this procedure until the blade is
balanced.
3. Remove the bolt, blade stiffener and blade (Fig. 28). 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.
4
1. Blade
2. Blade stiffener
Figure 28
3. Bolt
4. Spindle
1
2
3
m-2376
Sharpening the Blades
1. Use a file to sharpen the cutting edge at both ends of the
blade (Fig. 29). Maintain the original angle. The blade
retains its balance if the same amount of material is
removed from both cutting edges.
2
1
Figure 30
1. Blade 2. Balancer
Installing the Blade(s)
1. Install the washer, blade, flat washer, and the blade nut
(Fig. 26).
Important The curved part of the blade must be
pointing toward the inside of the mower to assure proper
cutting.
2. Tighten the blade nut to 80–100 ft–lb (109–136 Nm).
Greasing and Lubrication
Service Interval/Specification
Grease the mower after every 25 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. Remove the key
1
Figure 29
1. Sharpen at original
angle
2. Check the balance of the blade by putting it on a blade
balancer (Fig. 30). If the blade stays in a horizontal
position, the blade is balanced and can be used. If the
2. Clean the grease fittings with a rag. Make sure to scrape
any paint off the end 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 (Fig. 31). The side
discharge model is shown, the rear discharge model will
have the same spindles to grease.
16
m–6635
Figure 31
Removing the Hood
If desired, remove the hood for better access to the upper
pulleys in the pulley box.
1. Rotate the hood fully forward (Fig. 32).
2. Disconnect the wire harness at the front left of the
machine. The harness leads up the to the head lights
(Fig. 32).
3. Slide the hood to the left side of the machine and off of
the pivot pegs (Fig. 32).
4
1
3
3
Servicing the Mower Belt
Removing the Mower Belt
1. Remove the mower; refer to Removing the Mower,
page 12.
2. Remove the pulley cover mounting screws and both
pulley covers.
3. Push on the idler to release the tension and remove the
belt from the pulleys (Fig. 33).
Installing the Mower Belt
1. Install the new belt around the blade pulleys and the
idler pulley (Fig. 33). The rear discharge model will
have the same belt routing.
1
2
m–2830
Figure 33
1. Idler 2. Mower belt
2. Install the left and right pulley covers with previously
removed mounting screws.
2
5
3
Figure 32
1. Hood—open position
2. Engine
3. Pivot peg
4. To install the hood, install the hood onto the pegs and
connect the harness (Fig. 32).
5. Close the hood.
4. Wire harness
5. Harness connector
5
m–6647
3. Install the mower; refer to Installing the Mower,
page 5.
Replacing the Power Take Off
(PTO) Belt
Warning
Components around engine will be hot if the
machine has been running. Touching hot
components can cause burns.
• Do not touch the engine components or the
muffler when hot.
• Allow the engine to cool before performing
maintenance.
Note: If desired, remove the hood for better access to the
upper pulleys in the pulley box. Refer to Removing the
Hood on page 17.
17
1. Turn the left knob on the front pulley box to loosen the
PTO drive belt (Fig. 34).
2. Remove the PTO belt from the clutch pulley (Fig. 34).
3. Remove the PTO belt from the upper pulley and upper
idler pulley in the pulley box (Fig. 34).
4. Install the PTO new belt onto the clutch pulley
(Fig. 34).
5. Install the PTO belt onto the upper pulley and upper
idler pulley in the pulley box (Fig. 34).
6. Turn the left knob on the front pulley box to tighten the
PTO drive belt (Fig. 34). There needs to be a 1/2 inch
(13 mm) deflection in the belt.
3 2
4
7
8
6
5 1
m–6624
Figure 34
1. Pulley box
2. Upper pulley
3. Upper Idler pulley
4. PTO clutch pulley
5. Right knob
6. Left knob
7. PTO belt
8. Check 1/2 inch deflection
here
6
5
4
23
m–6625
Figure 35
1. Pulley box
2. Lower pulley
3. Lower Idler pulley
4. Mower center pulley
5. Mower drive belt
6. Check 1/2 inch deflection
here
Cleaning and 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.
1
Replacing the Mower Drive Belt
1. Turn the right knob on the front pulley box to loosen the
mower drive belt (Fig. 9).
2. Remove the mower drive belt from the mower center
pulley (Fig. 10).
3. Remove the mower drive belt from the lower pulley and
the lower idler pulley in the pulley box (Fig. 10).
4. Install the new mower drive belt onto the mower center
pulley (Fig. 10). Ensure that it is on the upper center
pulley.
5. Install the mower drive belt onto the lower pulley and
the lower idler pulley in the pulley box (Fig. 10).
6. Turn the right knob on the front pulley box to adjust the
mower drive belt (Fig. 9). There needs to be a 1/2 inch
(13 mm) deflection in the belt.
3. Check the condition of the blade(s); refer to Servicing
the Cutting Blades, page 14.
4. Check the condition of all belts.
5. Grease the mower deck; refer to Greasing and
Lubrication, page 16.
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.
18
Troubleshooting
gg
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
3. PTO belt is worn, loose or
broken.
1. Tire pressure is incorrect. 1. Set tire pressure.
2. Mower is not level. 2. Level mower from
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.
3. Install new PTO belt.
side-to-side and front-to-rear.
mower.
19
Consumer
Riding
Products
The Toro Total Coverage Guarantee
A Two-Year Full Warranty
(Limited Warranty for Commercial Use)
Conditions and Products Covered
The Toro Company and its affiliate, Toro Warranty Company,
pursuant to an agreement between them, jointly promise to repair
any Toro Product used for normal residential purposes* if defective
in materials or workmanship. The following time periods apply
from the date of purchase:
Products
• All Products and Attachments 2 year full warranty
• 300, 400, and 5xi Series Tractors:
Frame 5 year full warranty
Front Axle 5 year full warranty
Drive Shaft (5xi Series Only) 5 year full warranty
• All Batteries 1 year full warranty
This warranty covers both the cost of parts and labor, and
transportation within a fifteen mile radius of the servicing dealer.
This warranty applies to all consumer riding products and their
attachments.
* Normal residential purposes means use of the product on the
same lot as your home. Use at more than one location is
considered commercial use, and the commercial use warranty
would apply.
Warranty Period
Limited Warranty for Commercial Use
Toro Consumer Products and attachments used for commercial,
institutional, or rental use are warranted against defects in
materials or workmanship for the following time periods from the
date of purchase:
Products
• 300, 400, and 5xi Series Tractors:
Liquid Cooled Gas Engines 1 year limited warranty
Air Cooled Gas and Diesel
Engines
All other items 1 year limited warranty
• TimeCutter Models
• All other Riding Products
Warranty Period
2 year limited warranty
30 day limited warranty
90 day limited warranty
Instructions for Obtaining Warranty Service
If you think that your T oro Product contains a defect in materials or
workmanship, follow this procedure:
1. Contact any Toro Authorized or Master Service Dealer to
arrange service at their dealership. To locate a dealer
convenient to you, refer to the Y ellow Pages of your telephone
directory (look under “Lawn Mowers”) or access our website at
www.Toro.com. U.S. Customers may also call 800-421-9684
to use our 24-hour Toro dealer locator system.
2. Bring the product and your proof of purchase (sales receipt) to
the Service Dealer.
If for any reason you are dissatisfied with the Service Dealer’s
analysis or with the assistance provided, contact us at:
Customer Care Department, Consumer Division
Toro Warranty Company
8111 Lyndale Avenue South
Bloomington, MN 55420-1196
800-348-2424 (U.S. customers)
877-484-9255 (Canada customers)
Owner Responsibilities
You must maintain your Toro Product by following the maintenance
procedures described in the operator’s manual. Such routine
maintenance, whether performed by a dealer or by you, is at your
expense.
Items and Conditions Not Covered
There is no other express warranty except for special emission
system coverage on some products. This express warranty does
not cover:
• Cost of regular maintenance service or parts, such as filters,
fuel, lubricants, tune-up parts, blade sharpening, brake and
clutch adjustments.
• Any product or part which has been altered or misused or
required replacement or repair due to normal wear, accidents,
or lack of proper maintenance.
• Repairs necessary due to improper fuel, contaminants in the
fuel system, or failure to properly prepare the fuel system prior
to any period of non-use over three months.
• Pickup and delivery charges for distances beyond a fifteen
mile radius from an Authorized Toro Service Dealer.
All repairs covered by this warranty must be performed by an
Authorized T oro Service Dealer using Toro approved replacement
parts.
General Conditions
Repair by an Authorized Toro Service Dealer is your sole remedy
under this warranty.
Neither The Toro Company nor Toro Warranty Company is liable
for indirect, incidental or consequential damages in connection
with the use of the Toro Products covered by this warranty,
including any cost or expense of providing substitute equipment or
service during reasonable periods of malfunction or non-use
pending completion of repairs under this warranty.
Some states do not allow exclusions of incidental or consequential
damages, or limitations on how long an implied warranty lasts, so
the above exclusions and limitations may not apply to you.
This warranty gives you specific legal rights, and you may also
have other rights which vary from state to state.
Countries Other than the United States or Canada
Customers who have purchased Toro products exported from the United States or Canada should contact their Toro Distributor (Dealer)
to obtain guarantee policies for your country, province, or state. If for any reason you are dissatisfied with your Distributor’s service or
have difficulty obtaining guarantee information, contact the Toro importer. If all other remedies fail, you may contact us at Toro Warranty
Company.
Part No. 374-0045 Rev. A
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