DISASSEMBLY AND ASSEMBLY
ARM CYLINDER
REMOVAL OF ARM CYLINDER
ASSEMBLY
A
1.
2.
3.
4.
5.
6.
Extend the arm cylinder piston rod approx. 200 mm,
lower the work equipment completely to the ground,
then set the remaining safety lock lever to the LOCK
position.
Set block 0 between arm cylinder and boom.
Remove plate, then remove head pin (1).
m
Start engine, and retract piston rod, then tie piston
rod with wire to prevent it from coming out.
A Release the remaining pressure in the
hydraulic circuit. For details, see TESTING
AND ADJUSTING, Releasing remaining
pressure in hydraulic circuit.
Disconnect hoses (2).
Disconnect grease hose (3).
Raise arm cylinder assembly, remove plate ,
remove bottom pin (4), then remove arm cylinder
assembly (5).
* There are shims installed, so check the
and thickness, and keep in a safe place.
Arm cylinder assembly:
PC200-6, PC210-6: 270 kg
PC220-6, PC250-6: 310 kg
30-137
0
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