page 48
295 AC
800-00158
For disassembly, the valve plate has got a thread
in the center. Use the special tool to pull it out.
Thread specification:
F12 Thread Tool
30 M24x1.5 3793077
40 M24x1.5 3793077
60 M24x1.5 3793077
80 M30x1.5 3793078
F12 SWING MOTOR MAINTENANCE CONTINUED...
Step 9
Step 1
ASSEMBLY
Push the shaft into the bearings in the housing.
Use as many washers as needed to just allow
the retinaing ring on the shaft to enter into its
groove.
Step 2
Install pistons, cylinder barrel support and
cylinder barrel.
NOTE: The shaft has got one tooth marked
with a punchmark and the barrel has got one
space marked. It is absolutely necessary that
these are mating to ensure correct alignment
for the pistons in the cylinders. Also, choose
correct adjustment shim to ensure correct
backlash.
Step 3
Install the barrel housing and tighten the
screws.
Step 4
Backlash and correct timing can be checked
through the drainhole.
Correct tightening torque is:
F12 Nm 10
30 60
40 60
60 60
80 105
+
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