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4
CYLINDERS
DISASSEMBLY AND ASSEMBLY
Holder
<Boom cylinder, arm cylinder>
1. Remove the O-ring (1) and the backup ring (2).
2. Remove the collar (3), cushion seal (4) and spacer (5).
Retainer
<Swing cylinder>
1. Remove the O-ring (1) and the backup ring (2).
2. Remove the stopper (3), spacer (4) and cushion seal
(5).
Rod cover
1. Remove the O-rings (20) and (21) and the backup ring
(22) from the outer diameter section of the rod cover.
2. Remove the rod packing.
<Boom cylinder, arm cylinder, swing cylinder>
a. Remove the rod packing.
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