TM 1-1520-238-T-6
9764
9402. CPG ENGINE 1 OUT INDICATOR DOES NOT RESET AUDIO WARNING
9402
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
Equipment Conditions:
Ref
Condition
TM 1-1520-238-23
Access provisions
L175 fairing 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 CPG master caution/warning panel, press
ENGINE 1 OUT indicator and check for open
between (DS31):
P1-B1 and P1-B11.
Does open exist?
YES
Replace CPG master
caution/warning panel
(TM 1-1520-238-23).
NO
Go to step 2.
2. Check for open between J166-B11 and ground.
Does open exist?
YES
Repair open wire.
Go to paragraph 9395.
NO
Go to step 3.
3. Check for open between J166-B1 and P49-21.
Does open exist?
YES
Go to step 4.
NO
Replace engine out warning unit
(TM 1-1520-238-23).
4. Detach wire from (A326)TB1-2-D. Check for
open between:
J166-B1 and P482-B3,
P435-A20 and P49-21.
Wire end at (A326):
TB1-2-D and J18-B3.
Does open exist?
YES
Repair open wire.
Go to paragraph 9395.
NO
Replace terminal board
(A326)TB1-2
(TM 1-1520-238-23).
END OF TASK