HYDRAULIC SYSTEM
L3560, L4060, L4760, L5060, L5460, L6060, WSM
8-S28
[6] SAFETY VALVE
Disassembling Safety Valve
1. Remove the safety valve assembly (1).
2. Secure the safety valve assembly in a vise.
3. Loosen the lock nut (3), and remove the adjust screw (2).
4. Draw out the spring (4), seat (5) and ball (6).
(When reassembling)
• When installing the safety valve to the hydraulic cylinder block,
be careful not to damage the O-ring.
9Y1210824HYS0034US0
Tightening torque
Safety valve assembly
40 to 49 N·m
4.0 to 5.0 kgf·m
29 to 36 lbf·ft
Safety valve lock nut
59 to 78 N·m
6.0 to 8.0 kgf·m
44 to 57 lbf·ft
(1) Safety Valve Assembly
(2) Adjust Screw
(3) Lock Nut
(4) Spring
(5) Seat
(6) Ball
(7) Housing
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