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 TM 9-2330-380-14&P
4-25. Voltage Converter Box (M129A4 Except LED Lighting System) (cont'd)
c. Inspection
1. Check wiring for damaged or worn insulation.
2. Inspect box assembly body for corrosion, cracks, dents, warpage, marred paint or missing or damaged
gasket. Repair or replace defective parts.
d. Repair
NOTE
Repair is limited to replacement of connectors, circuit breakers and cover gasket. All circuit
breakers are removed in same manner. One is shown.
1. Connectors
(a) Tag and disconnect wires (5).
(b) Remove four screws (6), lockwashers (7), nuts (8) securing connector (9).
(c) Remove connector (9).
(d) Remove two screws (10), lockwashers (11), nuts (12) and connector (13).
(e) Replace defective parts.
18
(f) Install connector (13), two screws (10),
lockwashers (11) and nuts (12).
6
10
7
11
(g) Install connector (9).
8
12
(h) Install cover (18), four screws (6), lockwashers (7) and
9
nuts (8).
13
5
(i) Connect wires (5).
17
2. Circuit breakers
15
16
(a) Pull out circuit breaker (14).
(b) Remove lock nut (15) and lock washer (16).
Tag and disconnect wires (17). Discard lock nut
14
and lock washer.
(c) Replace defective parts.
(d) Connect wires (17). Install new lock nut (15) and lock washer (16).
(e) Install circuit breaker (14).
3. Cover gasket
(a) Remove gasket (18).
(b) Make sure surface area of cover is clean.
(c) Remove paper backing from new gasket (18)
and install on cover.
4-33
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