TM 55-1520-240-23-10
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INSTALL HEATER CONTROL BOX RELAYS
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INITIAL SETUP
Applicable Configurations:
All
Tools:
Electrical Repairers Tool Kit, NSN 5180-00-323-4915
Soldering Gun
Heat Gun
Materials:
Solder (E360)
Insulation Tubing (E431)
Personnel Required:
Aircraft Electrician
Inspector
References:
TM 55-1520-240-23P
INSTALL TIME DELAY RELAY
1.
Insert six wires (1) through support (2). Remove
tape from wires.
2.
Slide insulation tubing (3) on wires (1). Use
tubing (E431).
3.
Connect six wires (1) to time delay relay (4). Use
solder (E360). Remove tags.
4.
Slide tubing (3) over terminals of relay (4). Shrink
tubing with heat gun.
5.
Position relay (4) in support (2). Install four
washers (5) and nuts (6).
6.
Position support (2) in heater control box (7).
Install four screws (8), washers (9), and two nuts
(10).
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