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3-119. Replace/Repair Junction Box Assembly. (Figure 3-107)
This task covers:
a. Removal
b. Disassembly
c. Repair
d. Assembly
e. Replacement
INITIAL SETUP
Tools
Equipment Condition
Tool kit, electrician's,
Electrical power to pilothouse control
console OFF and tagged "Out of
Service - Do Not Operate."
Materials/Parts
Access panel on control console
Printed circuit board
P/N 505-030
Junction box repair kit
P/N 740-027
Warning tags, Item 1, Appendix C
REMOVAL
a. Unfasten door latches (3) on right side of junction box (1). Swing door (5) to the left to open.
b. Tag and disconnect electrical wires (4) from terminal board (6).
c.
Remove four mounting screws (2).
d. Remove junction box assembly (1).
DISASSEMBLY
a. Remove four hex head screws (7) from each corner of printed circuit board (8).
b. Remove printed circuit board.
REPAIR
Repair at this level of maintenance is by replacement of printed circuit board (8).


 


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