TM 1-1520-238-T-7
10–247
10–99. FUEL SYSTEM AIR PRESSURE – IS NOT HEARD VENTING OVERBOARD
10–99
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, with REFUEL VALVE switch
set to OPEN, check REFUEL VALVE OPEN
indicator.
Is indicator lighted?
YES
Go to step 2.
NO
Go to paragraph 10–78.
2. Check for 28 VDC at P1086–1.
Is voltage present?
YES
Go to step 3.
NO
Go to step 4.
3. Check for open between P1086–2 and
GS360–B.
Does open exist?
YES
Repair open wire.
Go to paragraph 10–76.
NO
Replace fuel vent shutoff valve
(TM 1-1520-238-23).
4. Check for open between P1086–1 and P260–16.
Does open exist?
YES
Repair open wire.
Go to paragraph 10–76.
NO
Replace refueling panel
(TM 1-1520-238-23).
END OF TASK
