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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
86).
7.
Install the new belt around the idler pulley,
engine pulley, and 2 hydraulic-pump pulleys
(Figure
86).
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
Figure 85
Replacing the
62).
(Figure
86).
Replacing the
62).
g027730
1. Fixed idler pulley
2. Engine pulley
3. Idler-spring post
4. Idler pulley
5. Right hydraulic-pump
pulley
63
Figure 86
6. Square hole in the idler
arm for the ratchet
7. Mower belt
8. Hydraulic pump-drive belt
9. Left hydraulic-pump pulley
g412772
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