Replacing The Mower Deck Belt - Toro 74942 Operator's Manual

7. Use a ratchet in the square hole in the idler arm to
remove tension on the idler spring
8. Remove the belt from the mower deck pulley
77).
9. Remove the belt from the remaining pulleys
77).
10. Using the ratchet in the square hole, install the new
belt around the mower pulleys and the idler pulleys
(Figure 77).
Replacing the Mower Deck
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 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 inches) height of cut.
4. Remove the belt covers
Figure 78
Left side shown
1. Push tab down
5. Remove the counter-rotating belt; refer to
the Counter-Rotating Belt (page
6. Use a ratchet in the square hole in the idler arm to
remove tension on the idler spring
7. Remove the belt from the mower deck pulley.
8. Lift up on the belt-guide tab and remove the existing
belt (Figure 79).
9. Install the new belt around the mower pulleys and the
clutch pulley under the engine
(Figure 77).
(Figure
(Figure
(Figure 78).
2. Remove belt cover
Replacing
49).
(Figure 79).
(Figure 79).
1. Clutch pulley
2. Mower belt
3. Spring loaded idler pulley
4. Ensure belt-guide tab hits
against the pivot hub
10. Rotate and ensure the belt-guide tab hits against the
pivot hub Figure
11. Using the ratchet in the square hole, install the idler
spring (Figure 79).
Make sure the spring ends are seated in the anchor
grooves.
12. Install the belt covers
50
Figure 79
5. Belt guide
6. Spring-loaded idler pulley
7. Square hole in the idler
arm for the ratchet
8. Spring
79.
(Figure 80).