TM 1-1520-238-T-6
9762
9400. PILOT ENGINE 1 OUT INDICATOR IS NOT LIGHTED WITH ENGINE 1 NOT RUNNING
9400
Tools:
Nomenclature
Part Number
Tool Kit, Electrical
SC518099CLA06
Repairers
Multimeter, Digital
AN/PSM-45
Personnel Required:
68X
Armament/Electrical Systems Repairer
One person to assist
References:
TM 1-1520-238-23
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 28 VDC between J164-A5 and
J164-A6.
Is voltage present?
YES
Replace pilot master
caution/warning panel
(TM 1-1520-238-23).
NO
Go to step 2.
2. Check for open between:
J164-A5 and P20-G,
J164-A6 and P20-H.
Does open exist?
YES
Repair open wire.
Go to paragraph 9395.
NO
Go to step 3.
3. Check for 28 VDC at P20-b.
Is voltage present?
YES
Replace pilot caution/warning
panel (TM 1-1520-238-23).
NO
Go to step 4.
4. Check for open between
P20-b and P49-13.
Does open exist?
YES
Go to step 5.
NO
Replace engine out warning unit
(TM 1-1520-238-23).
5. Detach wire from (A326)TB1-51-G
Check for open between:
P20-b and P482-A4,
P435-A3 and P49-13.
Wire at end (A326):
TB1-51-G and J18-A4.
Does open exist?
YES
Repair open wire.
Go to paragraph 9395.
NO
Replace terminal board
(A326)TB1-51
(TM 1-1520-238-23).
END OF TASK