TM 55-1520-240-23-10
13-53
INSTALL HEATER AIR PRESSURE SWITCH
13-53
INITIAL SETUP
Applicable Configurations:
All
Tools:
Aircraft Mechanics Tool Kit, NSN 5180-00-323-4692
Materials:
Lockwire (E231)
Parts:
Packings
Personnel Required:
Medium Helicopter Repairer
Inspector
References:
TM 55-1520-240-23P
1.
Install two packings (1) on nipples (2). Install
nipples in switch (3).
2.
Position switch (3) on structure (4).
3.
Install three nuts (5) and washers (6) on back
of switch (3).
4.
Connect electrical connector (7). Lockwire
connector. Use lockwire (E231).
5.
Connect two tubes (8).
INSPECT
FOLLOW-ON MAINTENANCE:
Perform operational check (TM 55-1520-240-T).
Install heater compartment acoustic blanket (Task
2-210).
END OF TASK
13-159