TM 55-1520-240-23-10
13-55
REMOVE HEATER CONTROL BOX RELAYS
(Continued)
13-55
REMOVE AIR PRESSURE RELAY
6.
Tag four wires (17) on air pressure relay (18).
Remove four screws (19), washer (20), and
wires. Tape exposed ends of wires. Use tape
(E385).
7.
Remove two screws (21), washers (22), and
relay (18) from box (4).
REMOVE TIME DELAY RELAY
8.
Remove four screws (23), washers (24), two nuts
(25), and support (26) from box.
9.
Remove four nuts (27), washers (28), and time
delay relay (29) from support (26).
10.
Cut insulation tubing (30) from six wires (31).
11.
Tag six wires (31). Unsolder six wires from time
delay relay (29). Tape exposed ends of wires.
Use tape (E385).
FOLLOW-ON MAINTENANCE:
None
END OF TASK
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