Toro 72907 - Replacing the Hydraulic Pump-Drive Belt

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Figure 92
5. Remove the counter-rotating belt; refer to
Replacing the Counter-Rotating Belt ( page 63 ) .
6. Use a ratchet in the square hole in the idler arm
to remove tension on the idler spring ( Figure 93 ).
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 ( Figure
93 ).
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Figure 93
1. Clutch pulley
5. Belt guide
2. Mower belt
6. Spring-loaded idler pulley
3. Spring-loaded idler pulley 7. Square hole in the idler
arm for the ratchet
4. Ensure that the belt-guide
tab hits against the pivot
hub.
8. Spring
9. Rotate and ensure the belt-guide tab hits against
the pivot hub ( Figure 93 ).
10. Using the ratchet in the square hole, install the
belt around the spring-loaded idler pulley ( Figure
93 ). Seat the spring ends in the anchor grooves.
1 1. Install the belt covers ( Figure 94 ).
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Figure 94
Replacing the Hydraulic
Pump-Drive Belt
1. Park the machine on a level surface, disengage
the blade-control switch (PT O), and engage the
parking brake.
2. Shut of f the engine, remove the key , and wait
for all moving parts to stop before leaving the
operating position.
3. Remove the mower belt; refer to Replacing the
Mower Belt for Side-Discharge Mower Decks
( page 62 ) or Replacing the Mower Belt for
Rear-Discharge Mower Decks ( page 63 ) .
4. Raise the machine and support it with jack
stands ( Figure 95 ).
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