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33 - 15
Over-load Relief Valve
Dismantling
1
Replace the whole assembly.
2
Loosen the cap
1
with a spanner.
3
Remove the O-ring
2
and discard.
4
Loosen the adjustor
3
and replace the O-ring
4
.
Clean and Inspect
1
Remove the over-load relief valve assembly.
2
Clean the valve block and install the new relief valve.
Assembly
3
Coat the thread with hydraulic oil and tighten the cap
1
to a torque of 59-69 (43.5-51 lbf ft).
4
After disassembling the adjustor, clean the screw
section and pressure test (Refer to pressure testing
section).
Section E
Hydraulics
9803/6020
Section E
33 - 15
Issue 1
Control Valve
1
Cap (24mm A/F)
2
O-ring
3
Adjuster Kit (17mm A/F)
4
O-ring
5
Spring
6
Poppet
289910
Summary of Contents for JS70
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