TM 1-4920-436-13&P
0048 00
REMOVAL
WARNING
HIGH VOLTAGE exists in electrical system of shop. All electrical inspections, repairs, or
replacements will be performed with power OFF and only by a qualiied electrician. Serious
shock hazards exist which could result in INJURY OR EVEN DEATH to personnel.
Figure 2.
Replacing Circuit Breakers.
1.
Move all circuit breakers to OFF position and tag.
2.
Mark and disconnect wires from circuit breaker that will be removed.
NOTE
Do not completely remove screw; loosen only enough to allow removal of circuit breaker.
3.
Loosen screw securing circuit breaker.
4.
Pull circuit breaker from bus bar and remove from circuit breaker box.
INSTALLATION
1.
Position new circuit breaker and tighten screw.
2.
Connect wires.
3.
Attach panel board to circuit breaker box with four screws and four washers.
4.
To install panel cover and board:
a.
NQOD - Position circuit breaker panel cover onto panel board. Install four screws and four washers
securing circuit breaker panel cover onto panel board.
b.
NQOB - Position circuit breaker panel cover onto panel board. Move clamp ingers to LOCK position.
5.
Close circuit breaker panel door.
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