Replacing The Hydraulic Pump-Drive Belt - Toro Z Master 4000 Serie Bedienungsanleitung

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.
5. Use a 1/2-inch ratchet or breaker bar in one
of the square holes in the idler arm to remove
tension on the idler spring
6. Remove the existing belt from the idler pulley, 2
hydraulic-pump-drive pulleys, and engine pulley
(Figure 60).
7. Install the new belt around the idler pulley,
engine pulley, and 2 hydraulic-pump pulleys
(Figure 60).
8. Using the 1/2-inch ratchet or breaker bar in one
of the square holes, install the idler spring.
Note:
Ensure that the spring ends are seated
in the anchor grooves.
9. Install the mower belt; refer to
Mower Belt (page
Replacing the
48).
(Figure 60).
Replacing the
48).
1. Idler pulley
2. Square hole in the idler
arm for the ratchet
3. Engine pulley
4. Idler arm
5. Hydraulic pump-drive belt
50
Figure 60
6. Right hydraulic-pump
pulley
7. Mower belt
8. Idler-spring post
9. Left hydraulic-pump pulley
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