Replacing The Hydraulic Pump Drive Belt - Toro 74933 Operator's Manual

1. Position the belt cover
2. Slide belt cover under the
side catches
Replacing the Hydraulic Pump
Drive Belt
1. Disengage the PTO and set 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
Belt (page 52).
4. Raise the machine and support it with jack stands.
5. Use a ratchet in the square hole in the idler arm to
remove the idler spring
6. Unhook the idler spring from the frame
7. Remove the belt from the hydraulic-unit-drive pulleys
and the engine pulley.
8. Install the new belt around engine pulley and the 2
drive pulleys.
9. Using a ratchet in the square hole in the idler arm,
install the idler spring to the frame
10. Install the mower belt. Refer to
Belt (page 52).
Figure 77
3. Ensure the tab is under
the metal catch
Replacing the Mower
(Figure 78).
(Figure
(Figure 78).
Replacing the Mower
1. Idler pulley
2. Clutch pulley
3. Pump-drive belt
4. Right hydraulic-pump
pulley
78).
53
Figure 78
5. Left hydraulic-pump pulley
6. Square hole in idler arm
7. Idler spring