Replacing The Hydraulic Pump-Drive Belt - Toro 74480 Operator's Manual

Replacing the Hydraulic
Pump-Drive 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. Remove the mower belt; refer to
Mower Belt (page
4. Raise the machine and support it with jack
stands (Figure 64).
5. Remove the clutch stop
Figure 63
1. Clutch stop
6. Remove the idler spring from the post
64).
7. Remove the existing belt from the
hydraulic-pump-drive pulleys and the
engine pulley.
8. Install the new belt around the engine pulley and
the 2 hydraulic-pump pulleys
Replacing the
52).
(Figure 63).
(Figure
(Figure 64).
1. Idler pulley
2. Idler-spring post
3. Engine pulley
9. Install the clutch stop
10. Install the mower belt; refer to
(page 52).
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Figure 64
4. Pump-drive belt
5. Right hydraulic-pump
pulley
6. Left hydraulic-pump pulley
(Figure 63).
Belt Maintenance
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