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4
TRAVEL MOTOR
DISASSEMBLY AND ASSEMBLY
For assembly of the counter balance valve and the hydrau-
lic motor, follow the procedure below. For disassembly,
follow the same procedure as for assembly in the reverse
order by referring to the construction diagram.
Assembly
Counter balance valve and hydraulic motor
1. Secure the valve body in a vise and install the spool in
the valve body.
• Insert an aluminum plate or the like between the
motor and the vise to prevent the outer surface of
the valve body from being damaged.
• Do not further disassemble the spool assembly.
2. Install the rings (1) and springs (2) on both ends of the
spool.
3. Install the O-ring on the plug, and then tighten the plug
at both ends of the valve body.
Plug: 196 to 245 N·m
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