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TM 55-4920-426-13&P
3-96
LOW PRESSURE RELIEF VALVE REPAIR
3-96
This task covers:
Disassembly and Assembly
INITIAL SETUP
Equipment
Condition
Condition Description
Personnel Required
Para
Valve removed
68H Aircraft Pneudraulic
Repairman
Materials/Parts
Tools
Plug "O" ring - Part Number
MS29512-16
1 1/8 in. open end wrench
Piston "O" ring - Part
1 3/4 in. open end wrench
Number 22026-1
Elbow "O" ring - Part
Number MS28778-4
1. DISASSEMBLY
Remove cap. Use 1-3/4 inch open end wrench.
a.
Remove nut from stud. Hold stud with screwdriver. Remove nut with 1-1/8 inch open end wrench.
b.
Remove stud.
c.
Remove spring.
d.
Remove bushing.
e.
Remove plug from bottom of valve.
f.
Remove "O" rings from plug.
g.
Push piston from valve body.
h.
i.
Remove back-up ring from piston.
Remove "O" ring from piston.
j.
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3-152

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