TM 1-1520-238-23
9-578
9.153.
ELECTRICAL POWER DISTRIBUTION BOX VENTILATING FAN
REMOVAL/INSTALLATION – continued
c. Identify and depin three wires (1) from three
splices (2) (TM 55-1500-323-24).
(1) Remove tiedown straps as required.
d. Remove relay cover (3) from electrical power
distribution box (4).
(1) Loosen six captive screws (5) from electrical
power distribution box (4).
(2) Remove cover (3).
e. Remove ventilating fan (6) from relay cover
(3).
(1) Remove six screws (7), lockwashers (8), and
flat washers (9).
(2) Remove fan (6).
9.153.4. Cleaning
a. Clean removed and attaching parts (para
1.47).
9.153.5. Inspection
a. Check removed and attaching parts for dam-
age (para 9.126).
b. Check wires and terminals for wear, cracks,
and cuts (para 9.126).
c. Check removed and attaching parts for corro-
sion (para 1.49).
d. Check gasket for damage (para 9.10).
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