Belt Maintenance; Inspecting The Belts; Replacing The Mower Belt - Toro 74933 Operator's Manual

Belt Maintenance

Inspecting the Belts

Service Interval: Every 50 hours
Check the belts for 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.

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. Disengage the PTO, move the motion control levers to
the neutral locked position, 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 to the 76 mm (3 inch) height of cut.
4. Remove the belt covers (Figure 72).
1
Figure 72
1. Push tab down
5. Use a ratchet in the square hole in the idler arm to
remove tension on the idler spring (Figure 73).
6. Remove the belt from the mower deck pulleys.
7. Remove the belt guide on the spring loaded idler arm
shown in Figure 73.
8. Remove the existing belt.
9. Install the new belt around the mower pulleys and the
clutch pulley under the engine (Figure 73).
2
2. Remove belt cover
1. Clutch pulley
2. Mower belt
3. Spring loaded idler pulley
4. Ratchet
10. Install the belt guide on the idler arm shown in Figure
73.
G009036
11. Using the ratchet in the square hole, install the idler
spring (Figure 73).
Make sure that the spring ends are seated in the anchor
grooves.
12. Install the belt covers (Figure 74).
49
Figure 73
5. Square hole in the idler
arm for the ratchet
6. Idler grease zerk
7. Belt guide