Hydraulic Pump Drive Belt Replacement - Toro Z Master G3 3000 Series Service Manual

HYDRAULIC SYSTEM
Hydraulic Pump Drive Belt
Replacement
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 the mower belt. Refer to "Mower Belt
Removal" on page 6-1.
4. Raise the rear of the machine and support it with
jack stands (Fig. 384).
5
5-40
Fig. 384 DSCN-0071a
5. Use a ratchet or breaker bar in the square hole of
the idler arm to remove the idler spring (Fig. 385).
B
A
G
F
A. Idler pulley
B. Clutch pulley
C. Pump drive belt
D. Right hand hydraulic
pump pulley
6. Unhook the idler spring from the frame (Fig. 385).
7. Remove the belt from the hydraulic unit drive pulleys
and the engine pulley.
8. Install the new belt around engine pulley and the two
drive pulleys.
9. Using a ratchet in the square hole in the idler arm,
install the idler spring to the frame (Fig. 385).
10. Install the mower belt. Refer to "Mower Belt
Installation" on page 6-2.
11. Lower the machine to the ground.
Toro Z Master G3 3000/5000/6000 Series Service Manual
C
D
E
Fig. 385 fig. 83 G009039
E. Left hand hydraulic
pump pulley
F. Square hole in idler arm
G. Idler spring