Replacing The Hydraulic-Pump Drive Belt - Toro 74946 Operator's Manual

Replacing the Hydraulic-Pump
Drive Belt
1. Disengage the blade-control switch (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 mower belt; refer to
Belt (page 55).
4. Raise the machine and support it with jack stands
(Figure 79).
Figure 78
Replacing the Mower
1. Idler pulley
2. Clutch pulley
3. Pump-drive belt
4. Right hydraulic-pump
pulley
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 55).
56
Figure 79
5. Left hydraulic-pump pulley
6. Square hole in idler arm
7. Idler spring
(Figure 79).
(Figure
(Figure 79).
Replacing the Mower
79).