TM 55-1520-240-23-7
8-25
DRAIN PITOT-STATIC AND SIDESLIP SENSING SYSTEMS
(Continued)
8-25
NOTE
The procedure to drain pitot-static and
side slip sensing systems requires
removal of 11 drain caps in three
areas of aircraft, nose compartment,
electronics compartment, and lower
fuselage (outside) skin, sta. 118, lbl
6. Removal of lower fuselage static
drain is shown here.
1.
Remove static drain cap (1).
2.
Shake moisture from cap (1).
3.
Install drain cap (1). Tighten cap finger-tight plus
1/4 turn.
4.
Repeat steps at remaining drain cap locations.
INSPECT
FOLLOW-ON MAINTENANCE:
Pitot-static system leak check (TM 55-1520-240-T).
Side slip sensing system leak check (TM
55-1520-240-T).
Install TSEC/KY28 (TM 11-1520-240-23).
Install radio compartment acoustical blanket (Task
2-210).
Close nose enclosure door (Task 2-2).
END OF TASK
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