TM 1-1520-238-T-7
Change 5
10–185
10–63. PILOT FUEL XFER ADVISORY LIGHT – IS NOT LIGHTED (ADA)
10–63
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 1-1520-238-23
Equipment Conditions:
Ref
Condition
TM 1-1520-238-23
Access provisions –
L40 door 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. Check for open between P748–b and P748–c.
Does open exist?
YES
Go to step 4.
NO
Go to step 2.
2. Check for 28 VDC at P748–d.
Is voltage present?
YES
Replace multi–channel dimming
controller
(TM 1-1520-238-23).
NO
Go to step 3.
3. Check for open between P748–d and P197–B9.
Does open exist?
YES
Repair open wire.
Go to paragraph 10–47.
NO
Replace pilot FUEL panel
(TM 1-1520-238-23).
4. Check for open between:
P748–b and DS19 SP2,
P748–c and DS19 SP1.
Does open exist?
YES
Repair open wire.
Go to paragraph 10–47.
NO
Replace pilot FUEL XFER
advisory light (DS19)
(TM 1-1520-238-23).
END OF TASK
