Installing The Mower; Replacing The Grass Deflector - Toro 74402 Operator's Manual

Check the belts for cracks, frayed edges, burn marks, or
any other damage. Replace damaged belts.
Replacing the Mower Belt
Squealing when the belt is rotating, blades slipping
when cutting grass, frayed belt edges, burn marks, and
cracks are signs of a worn mower belt. Replace the
mower belt if any of these conditions are evident.
1. Park the machine on a level surface and disengage
the blade control (PTO).
2. Move the motion control levers to the brake
position, stop the engine, remove the key, and wait
for all moving parts to stop before leaving the
operating position.
3. Set the height-of-cut at 1.5 [1-1/2 inch (38 mm)].
4. Remove the belt covers over the outside spindles
and loosen the belt guide (Figure 51 ).
Figure 51
1. Mower belt
2. Idler arm
3. Outside pulley
4. Spring
5. Pull the idler pulley in the direction shown in
Figure 51 and roll the belt off of the pulleys.
5. Engine pulley
6. Belt cover
7. Belt guide
The spring is under tension when installed
and can cause personal injury.
Be careful when removing the spring.
6. Route the new belt around the engine pulley and
mower pulleys (Figure 51 ).
7. Pull the idler pulley in the direction shown in
Figure 51 and route the belt onto the idler pulley
(Figure 51 ).
8. Rotate the belt guide, on the idler arm, towards the
pulley until it stops (Figure 51 ).
9. Tighten the belt guide (Figure 51 ).
10. Install the belt covers over the outside spindles.

Installing the Mower

1. Park the machine on a level surface and disengage
the blade control (PTO).
2. Move the motion control levers to the brake
position, stop the engine, remove the key, and wait
for all moving parts to stop before leaving the
operating position.
3. Slide the mower under the machine.
4. Lower the height-of-cut lever to the lowest
position.
5. Attach the adjusting rod to the machine with the
washer and hairpin cotter (Figure 50 ) on each side
of the mower.
6. Slide the leveling brackets onto the mounting pins
and secure them with the washers and hairpin
cotters (Figure 50 ).
7. Attach the front support rods to the machine with
the clevis pins and hairpin cotters (Figure 49 ).
8. Install the mower belt onto the engine pulley; refer
to Replacing the Mower Belt.
Replacing the Grass
Deector
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 operate the lawn mower unless you install
a cover plate, a mulch plate, or a grass chute and
catcher.
1. Locate items shown in Figure 52 .
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