Table 5-1. Troubleshooting (Cont'd)
Test or Inspection
Do not perform any electrical maintenance or make any electrical connection or disconnection at
the main power receptacle while the generator set engine is running.
Connect the primary power cable to the input power receptacle located near the door of the shelter.
The cable connector and the receptacles are keyed to ensure proper connection. The leads of the power cable
are color coded as follows:
Phase A - black - Pin 1
Phase B - red - Pin 2
Phase C - green - Pin 3 (marked with blue band)
Neutral - white - Pin 4
Inspect main power cable for continuity as follows:
High voltage capable of causing death is utilized in this power circuit. Generator set must be
turned off before making connections.
Disconnect power cable from receptacle.
Cover receptacle with receptacle cover.
Start generator set power source in accordance with the applicable technical manual.
Using a suitable test meter, check for continuity across power cable leads.
If necessary, replace defective power cable as described in paragraph 17-2.
Inspect main power receptacle for pin damage or faulty wiring as necessary. If necessary, replace or
repair main power receptacle as described in paragraph 18-2.
5. CIRCUIT BREAKER WILL NOT REMAIN IN ON POSITION
Inspect the component served by the circuit breaker concerned for electrical defects in accordance with
the applicable commercial manual.
If necessary, rectify any defects in accordance with the applicable commercial manual.
Inspect breaker involved for failure.
If necessary, replace circuit breaker as described in paragraph 19-2.