Replacing The Hydraulic Pump Drive Belt - Toro 74939 Operator's Manual

Figure 79
1. Position the belt cover.
2. Slide the belt cover under
the side catches.
Replacing the Hydraulic Pump
Drive Belt
1. Disengage the PTO and set the parking brake.
2. Stop the engine, remove the key, and wait for all moving
parts to stop before leaving the operating position.
3. Remove mower belt. Refer to Replacing the Mower
Belt (page 49).
4. Raise the machine and support it with jack stands
(Figure 80).
3. Ensure that the tab is
under the metal catch.
1. Idler pulley
2. Clutch pulley
3. Pump drive belt
4. Right hand hydraulic pump
pulley
5. Use a ratchet in the square hole in the idler arm to
remove the idler spring (Figure 80).
6. Unhook the idler spring from the frame (Figure 80).
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 (Figure 80).
10. Install the mower belt. Refer to Replacing the Mower
Belt (page 49).
50
Figure 80
5. Left hand hydraulic pump
pulley
6. Square hole in idler arm
7. Idler spring