TM 10-4610-240-24
TM 08580C-2412
TO 40W4-13-22
3-49. JUNCTION BOX ASSEMBLY MAINTENANCE - continued.
DISASSEMBLY
Circuit Breakers and Circuit Breaker Plate.
WARNING
High voltages in this equipment can cause serious injury or death. Be certain that all
power is removed before performing maintenance.
a.
Turn 13 rotary fasteners (1) and open junction box cover (2).
b.
Remove four screws (5) and flat washers (6) from standoffs (16).
c.
Tilt circuit breaker plate (4) forward to reach wires and attaching hardware.
NOTE
Tag all wires before removal.
To remove circuit breaker plate, remove all circuit breakers
To remove CB1 or CB2, go to step d.
To remove CB3, CB4, CB5 or CB6, go to step e.
To remove CB7, CB8 or CB9, go to step f.
d.
Tag nine wires and remove six nuts (13), twelve flat washers (14), nine wire lugs (15), and two spade
connected wires (12). Go to step g.
e.
Tag nine wires and remove six nuts (13), twelve flat washers (14), and nine wire lugs (15). Go to step g.
f.
Remove two nuts (13), four flat washers (14), and two wire lugs (15) Go to step h.
g.
Remove six screws (7), lockwashers (8), flat washers (9), and circuit breaker (11). Discard lockwashers This
completes removal of circuit breaker
h.
Remove two screws (7), lockwashers (8), flat washers (9), and circuit breaker (3). Discard lockwashers This
complete removal of circuit breaker
i.
Remove circuit breaker plate (4) and insulating plate (10).
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