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 TM 55-1905-222-14
MAINTENANCE OF RAMP HOIST HYDRAULIC CHECK VALVE
5-19
REPAIR RAMP HOIST HYDRAULIC CHECK VALVE.
This task covers:
a. Disassembly
d. Repair
b. Cleaning
e. Assembly
c. Inspection
INITIAL SETUP
Tools:
Equipment Conditions:
Tool Kit, Mechanic's, Rail
Check valve removed Refer
and Marine
to para 5-18
Materials/Parts:
Packing
P/N 82-20220-01
Cleaning Solvent
Item 17, Appendix E
DISASSEMBLY
DISASSEMBLE CHECK VALVE.
a.
Remove screws (1) from cap (2) and remove
cap.
b.
Remove
preformed
packing
(3). Discard
packing.
c.
Remove spool spring (4) and oil control
spool (5) from valve body (6).
CLEANING
WARNING
Dry cleaning solvent, P-D-680, used to clean parts, is potentially
dangerous
to
personnel
and property.
Avoid repeated or
prolonged skin contact. Do not use near open flame or excessive
heat. Flash point of solvent is 100 - 1380F (38 - 59C).
5-44
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