TM 5-3610-287-24
Organizational Troubleshooting (Cont)
Table 2-3.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
18.
DOME LIGHT DOES NOT OPERATE (CONT)
Remove circuit breaker cover panel and 5 screws on lower
Step 6.
right side of load center (para 2-51, 12 Vdc circuit
breaker). Pull panel back to access 12 Vdc circuit
breaker. Test voltage at circuit breaker on both upper and
lower terminals. Readings should be 12 Vdc.
If 12 Vdc is not present at lower terminal, replace 12
Vdc receptacle (para 2-48).
If 12 Vdc is present at lower terminal but not at upper
terminal, replace 12 Vdc circuit breaker (para 2-51).
19.
ON/OFF SWITCH DOES NOT OPERATE.
WARNING
HIGH VOLTAGE. When working on high voltage
components, always have an additional person
present. Keep one hand away from equipment to
reduce hazard of current flowing through vital
organs of body. Remove all jewelry from
fingers, wrists, and neck before working on
electrical components. Failure to observe this
warning may result in death or serious burns.
Set appropriate circuit breaker to OFF. Remove cover plate
Step 1.
and switch from receptacle. Check for loose or broken
wires.
Tighten connections or repair wires.
Set appropriate circuit breaker to ON. Test voltage across
Step 2.
ON/OFF switch. Readings should be 0 Vac when switch is ON
and 110 --
+10 Vac when switch is OFF.
Replace ON/OFF switch (para 2-55).
If malfunction still exists, troubleshoot appropriate
appliance or lights.
