TM55-4920-432-13&P
4-19 RATE OF CLIMB TWO-WAY SHUT-OFF VALVE
4-19
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:
Shut off valve, Tape (D9)
Equipment Condition:
Power disconnected, control panel open
1.
REMOVAL:
a.
Position knobs white marking on '"OFF”, position, then Remove screw (1) from end of knob, loosen
two allen screws mounted on side of knob, then remove knob (2) from valve.
b.
Remove mounting screws (3) from panel (4).
c.
Disconnect hoses from all fittings on valve (5).
d.
Remove elbow fitting (6) from valve.
e.
Remove tee fitting (7) from bottom of valve.
2.
INSTALLATION:
a.
Apply tape (D9) on all threaded fittings (6 & 7).
b.
Install elbow & tee fittings, on valve.
c.
Position valve (5) into panel (4) and secure with four screws (3).
d.
Place knob (2) on valve stem and orient to panel and stem position. Tighten two allen screws to
valve stem flats.
e.
Install screw (1) through knob to valve stem.
f.
Install rubber hoses back to their respective location. If needed use pneumatic system diagram fig.
C-4.
Performance check (para. 2-5)
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