TM 5-3805-293-23-5
0347
CIRCUIT BREAKER INSPECTION AND TESTING
000347
N OT E
Circuit breakers may be inspected and tested while installed on machine.
1. Inspect circuit breaker (Figure 6, Item 2) for damaged or corroded terminals (Figure 6, Item 1).
2. Inspect circuit breaker (Figure 6, Item 2) for burned or damaged housing or RESET button (Figure 6, Item 3).
3. If any of these conditions are evident, replace circuit breaker. If none of these conditions are evident, test
circuit breaker (refer to step 4).
4. With RESET button (Figure 6, Item 3) in the fully outward position, depress RESET button to reset circuit
breaker. RESET button should remain depressed. If not, circuit breaker is defective or an electrical problem
exists in another part of the electrical circuit.
5. Isolate circuit breaker (Figure 6, Item 2) by disconnecting one wire from rear of circuit breaker. Depress RESET
button (Figure 6, Item 3).
a. If button does not remain depressed, replace circuit breaker.
b. If button remains depressed, proceed to troubleshooting procedures for faulty circuit.
Figure 6. Inspecting Circuit Breaker.
0347
END OF TASK
FOLLOW-ON TASKS
000347
1. Connect battery cables (WP 0194).
2. Verify correct operation of machine (TM 5-3805-293-10).
END OF TASK
END OF WORK PACKAGE
