TM 1-1520-238-T-6
Change 8
9–161
9–14.
GEN 1 INDICATOR – IS NOT LIGHTED WITH GENERATOR 1 OFF LINE
9–14
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
TM 1-1520-238-23
Electrical power
distribution box cover
removed
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. On pilot caution/warning panel, check for open
between P18-11 and ground.
Does open exist?
YES
Go to step 2.
NO
Go to paragraph 9–333 to
troubleshoot pilot
caution/warning system.
2. Check for open between:
P18-11 and P440-B1;
(A402)J16-B1 and TB2-3-H,
(A402)TB2-3-F and P1-f,
(A402)TB2-3-E and P5-7,
(A402)P5-8 and P1-Z,
(A402) P1-Y and ground.
Does open exist?
YES
Repair open wire.
Go to paragraph 9–12.
NO
Go to step 3.
3. Check for open between (A402-A1):
J1-f and J1-Y,
J1-Z and J1-Y.
Does open exist?
YES
Replace GCU 1
(TM 1-1520-238-23).
NO
Replace generator 1 contactor
(TM 1-1520-238-23).
END OF TASK
