VICKERS液控單向閥

Load will not hold Oil by-passing between spool and body
Oil by-passing piston in cylinder
Spool not centered
Replace valve.
Repair or replace cylinder.
Refer to above spool remedies.
Load drops when spool is moved
from neutral to a power position
Dirt or foreign particles lodged between
Oil leads at either end of spool Defective O-rings in valve body
Broken springs
Bent spool
Foreign particles
Misalignment of operating linkage
Valve tank improperly torque
Replace O-rings.
Replace springs.
Replace with new section of same size
and type.
Clean system and valve,
Check linkage for binding condition.
Re-torque nuts to specified ratings.
check valve poppet and seat.
Scored or sticking check valve poppet
Disassemble, clean and reassemble.
No relief valve action
(High Pressure)
Small particle of dirt plugging orifice in
relief valve sub-assembly
Relief valve sub-assembly installed
Remove relief valve and check hole. If
 

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