Important: Failure to perform the Bleeding
the Hydraulic System procedure after
changing hydraulic lters and uid can
result in irreparable damage to the transaxle
drive system.
Bleeding the Hydraulic
System
1. Raise the rear of machine and support it with
jack stands (or equivalent support) just high
enough to allow the drive wheels to turn freely .
g017625
Figure 87
1. Jacking points
2. Start the engine, move the throttle control ahead
to the 1/2 throttle position, and disengage the
parking brake.
A. Move the bypass levers into the pushing the
machine position. With the bypass valves
open and the engine running, slowly move
the motion-control levers in both forward
and reverse 5 or 6 times.
B. Move the bypass levers into the operating
the machine position.
C. With the bypass valve closed and the
engine running, slowly move the control
lever in both forward and reverse directions
5 to 6 times.
D. Shut of f the engine and check the uid
level in the expansion reservoir . Add the
specied uid until it reaches the F ULL C OLD
line on the expansion reservoir .
3. Repeat step 2 until all the air is completely
purged from the system.
Note: When the transaxle operates at normal
noise levels, moves smoothly forward, and
reverses at normal speeds, it is purged.
4. Check the uid level in the expansion reservoir
a nal time. Add the specied uid as until it
reaches the F ULL C OLD line on the expansion
reservoir .
65
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