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4
CONTROL VALVE
DISASSEMBLY AND ASSEMBLY
5. Remove the load check valve.
a. Remove the spring (3) and then the poppet (4).
6. Remove the load check valve.
a. Take out the plug (3) and spring (4) and remove the
poppet (5).
Plug: 31.4 ±1.0 N·m
b. Remove the O-ring (8) from the plug.
Manually operated section
1. Remove the cap screws, the cover (1) and the spool
assembly (2).
Cap screw: 8.8 to 10.8 N·m
2. Take out the seal holder and remove the wiper and the
O-ring.
3. Take out the screws on the spool yoke side of the sec-
tion,
and then remove the seal holder, wiper ring and
O-ring.
• When assembling, temporarily fasten the seal holder
with the screws and tighten them only after confirm-
ing that the spool tur
ns smoothly.
Screw: 2.5 to 2.9 N·m
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