Replacing The Mower Belt - Toro 74945 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
(Figure 77).
9. Remove the belt from the remaining pulleys
(Figure 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 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 blade-control switch (PTO), move
the motion-control levers to the N
position, and engage the parking brake.
2. Shut off 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
5. Remove the counter-rotating belt; refer to
Replacing 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
9. Install the new belt around the mower pulleys
and the clutch pulley under the engine
79).
(Figure
-
EUTRAL LOCK
(Figure 78).
(Figure
79).
(Figure
77).
1. Clutch pulley
2. Mower belt
3. Spring-loaded idler pulley
4. Ensure that the belt-guide
tab hits against the pivot
hub.
10. Rotate and ensure the belt-guide tab hits against
the pivot hub
11. Using the ratchet in the square hole, install the
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idler spring
Make sure the spring ends are seated in the
anchor grooves.
12. Install the belt covers
56).
79).
57
Figure 79
5. Belt guide
6. Spring-loaded idler pulley
7. Square hole in the idler
arm for the ratchet
8. Spring
Figure 79.
(Figure 79).
(Figure 80).
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