TM 1-1520-238-T-6
9–425
9–175. SHORT – EXISTS BETWEEN P461-L AND GROUND
9–175
Tools:
Nomenclature
Part Number
Tool Kit, Electrical
SC518099CLA06
Repairer’s
Multimeter, Digital
AN/PSM-45
Personnel Required:
68X
Armament/Electrical Systems Repairer
References:
TM 1-1520-238-23
Equipment Conditions:
Ref
Condition
Paragraph 9–148
All CPG ac essential bus 1
circuit breakers open
WARNING
Turn off power before detaching or
attaching wires and connectors. High
current 28 VDC or 115 VAC is present.
Failure to do so could result in death or
serious injury.
1. Check for short between (A77)J4-L and ground.
Does short exist?
YES
Go to step 2.
NO
Repair shorted wire between
P461-L and P769-L.
Go to paragraph 9–172.
2. Detach wire end at CB11-1. Check for short
between (A77)J4-L and ground.
Does short exist?
YES
Repair shorted wire between
CB11-1 and (A77)J4-L.
Go to paragraph 9–172.
NO
Replace AWS AWS AC circuit
breaker (CB11)
(TM 1-1520-238-23).
END OF TASK
