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 TM 55-1905-222-14
5-19
REPAIR RAMP HOIST HYDRAULIC CHECK VALVE (Continued).
CLEAN CHECK VALVE
Clean all metal parts in solvent and dry thoroughly.
INSPECTION
INSPECT CHECK VALVE.
a.
Inspect spring for distortion, loss of tension, or broken coils.
b.
Inspect spool for nicks or burrs.
c.
Inspect body for cracks.
REPAIR
REPAIR CHECK VALVE.
a.
Replace packing.
b.
Remove burrs or nicks from spool with crocus cloth.
c.
If other parts are defective or damaged, replace valve.
ASSEMBLY
ASSEMBLE CHECK VALVE
a.
Install oil control spool (5) and spool spring
(4) in valve body (6).
b.
Install preformed
packing (3).
Use new
packing.
c.
Secure cap (2) to body using screws (1), and
tighten.
NOTE
FOLLOW-ON MAINTENANCE:
Install all check valve (para. 5-18).
5-45
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