TM 1-1520-238-T-7
10–231
10–86. REFUEL VALVE OPEN INDICATOR – IS LIGHTED WITH REFUEL VALVE SWITCH
10–86
SET TO CLOSE
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-4
TM 1-1520-238-23
Equipment Conditions:
Ref
Condition
TM 1-1520-238-23
Access provision –
R160 door open
TM 1-1520-238-T-4
Maintenance headset
connected
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 refueling panel, set FUEL QTY IND switch to
OFF.
Is refuel valve indicator lighted?
YES
Replace refueling panel
(TM 1-1520-238-23).
NO
Go to step 2.
2. Check for 28 VDC at P251–1.
Is voltage present?
YES
Replace refueling panel
(TM 1-1520-238-23).
NO
Go to step 3.
3. Check for open between (L17):
J1–4 and J1–3.
Does open exist?
YES
Replace refueling panel
(TM 1-1520-238-23).
NO
Replace fuel transfer shutoff
valve (TM 1-1520-238-23).
END OF TASK
