Belt Maintenance; Inspecting The Belts; Replacing The Mower Belt - Toro 74906 Operator's Manual

Belt Maintenance

Inspecting the Belts

Service Interval: Every 50 hours
Replace the belt if it is worn. The signs of a worn belt include
squealing while the belt is rotating; the blades slipping while
cutting grass; and frayed edges, burn marks, and cracks on
the belt.

Replacing the Mower Belt

1. Disengage the PTO, move the motion-control levers to
the -
NEUTRAL LOCK
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 80
1. Push tab down
5. Use a ratchet in the square hole in the idler arm to
remove tension on the idler spring
6. Remove the belt from the mower deck pulleys.
7. Remove the belt guide on the spring-loaded idler arm
shown in Figure 81.
8. Remove the existing belt.
9. Install the new belt around the mower pulleys and the
clutch pulley under the engine
position, and set the parking brake.
(Figure 80).
2. Remove belt cover
(Figure 81).
(Figure 81).
1. Clutch pulley
2. Mower belt
3. Spring-loaded idler pulley
4. Ratchet
10. Install the belt guide on the idler arm shown in
81.
11. Using the ratchet in the square hole, install the idler
spring (Figure 81).
Make sure that the spring ends are seated in the anchor
grooves.
12. Install the belt covers
51
Figure 81
5. Square hole in the idler
arm for the ratchet
6. Idler grease fitting
7. Belt guide
(Figure 82).
Figure