TM 1-1520-238-T-7
10–262
10–107. EXT EMP INDICATOR – DOES NOT LIGHT WITH PILOT FUEL QUANTITY
10–107
INDICATOR TOTAL DIGITAL READOUT NOT INCREASING
Tools:
Nomenclature
Part Number
Tool Kit, Electrical
SC518099CLA06
Repairer’s
Multimeter, Digital
AN/PSM-45
Personnel Required:
68X
Armament/Electrical Systems Repairer
One person to assist
References:
TM 1-1520-238-T-6
TM 1-1520-238-23
Equipment Conditions:
Ref
Condition
TM 1-1520-238-23
Access provisions –
LW9 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. If two tanks are installed, verify shorting
connector installed on J256 of both outboard
pylons. Check for open between P256–A and
P256–B on each external fuel tank installed.
Does open exist?
YES
Replace external fuel tank
(TM 1-1520-238-23).
NO
Go to step 2.
2. Check for open between:
GS541–H and P587–Y,
J587–Y and (A402)TB2–12–N,
(A402)TB2–12–P and P174–A3,
P174–A4 and P18–51.
Does open exist?
YES
Repair open wire.
Go to paragraph 10–100.
NO
Go to step 3.
3. On pilot FUEL panel, set EXT TK switch to ON,
check for open between P174–A4 and P174–A3.
Does open exist?
YES
Replace pilot FUEL panel
(TM 1-1520-238-23).
NO
Refer to TM 1-1520-238-T-6 to
troubleshoot pilot
caution/warning system.
END OF TASK
