Toro 72923 Operator's Manual page 69

Figure 100
1. Idler spring
2. Counter-rotating belt
3. Double pulley
7. Use a ratchet in the square hole in the idler arm
to remove tension on the idler spring
100).
8. Remove the belt from the mower deck pulley
(Figure 100).
9. Remove the belt from the remaining pulleys
(Figure 100).
10. Route the new belt abound the mower pulleys.
11. Using the ratchet in the square hole, remove the
tension on the spring, and guide the new belt
around the idler pulley
Replacing the Mower Belt
1. Park the machine on a level surface, disengage
the blade-control switch (PTO), 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
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4. Idler pulley
5. Square hole in the idler
arm for the ratchet
(Figure
(Figure 100).
(Figure 101).
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
102).
7. Remove the belt from the mower-deck pulleys
and the clutch pulley.
8. Install the new belt around the mower pulleys
and the clutch pulley under the engine
102).
1. Clutch pulley
2. Mower belt
3. Spring-loaded idler pulley
4. Ensure that the belt-guide
tab hits against the pivot
hub.
69
Figure 101
(Figure
Figure 102
5. Belt guide
6. Spring-loaded idler pulley
7. Square hole in the idler
arm for the ratchet
8. Spring
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68).
(Figure
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