TM55-4920-432-13&P
4-23 NEEDLE VALVE (TYPICAL)
4-23
THIS TASK COVERS: REMOVAL AND INSTALLATION
Initial Set-Up:
Personnel Required:
68F Aircraft Electrician
or
35H TMDE Support Specialist
Tools and Equipment:: Tool kit (B2) or Shop Set (B4)
Material/Parts:
Needle valve, Tape (D9)
Equipment Condition:
Power disconnected, control panel open
1.
REMOVAL
a.
Disconnect hose(s) from fitting(s).
b.
Remove fitting(s) and vent plug (1) (as required) from needle valve (2).
c.
Remove panel mounting nut (3), washer (4), and remove needle valve from panel (5).
2.
INSTALLATION:
a.
Apply tape (D9) to fitting(s) and vent plug threads (as required).
b.
Install fitting(s) and vent plug (as required) into needle valve (2).
c.
Position valve (2) into panel (5) and secure with panel mounting nut (3) and washer (4).
d.
Connect hoses to fitting(s).
Performance check (para. 2-5)
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