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4
CYLINDERS
DISASSEMBLY AND ASSEMBLY
<Boom cylinder, arm cylinder>
3. Remove the holder assembly.
4. Remove the rod cover assembly.
<Swing cylinder>
5. Separate the retainer (9) from the rod cover.
a. Remove the stopper (10).
b. Remove the connector (11), and then disconnect
the retainer (8) from the rod cover.
Piston, piston packing holder
1. Remove the wear rings (10).
• Spread the wear ring just enough to disengage it in
axial direction.
2. Remove the piston packing from the piston.