TM 1-1520-238-T-7
10–238
10–91. FUEL QTY INDICATOR – DOES NOT INDICATE FUEL CELLS BEING DEFUELED
10–91
Tools:
Nomenclature
Part Number
Tool Kit, Aircraft
SC518099CLA01
Mechanic’s
Truck, Tank, Fuel
M978
Servicing, 2500 gal
Faceshield (2)
L–F–36
Personnel Required:
67R
Attack Helicopter Repairer
77F
Petroleum Supply Specialist
References:
TM 1-1520-238-23
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 pilot instrument panel, check FUEL quantity
indicator.
Does FUEL QTY on refueling panel indicate
same fuel load as pilot FUEL quantity
indicator?
YES
Go to step 2.
NO
If FWD FUEL QTY indicator
does not indicate same fuel load
as FWD vertical display, go to
paragraph 10–81. If AFT FUEL
QTY indicator does not indicate
same as AFT vertical display, go
to paragraph 10–82.
2. Check pressure fuel manifold for leakage.
Does leakage exist?
YES
Replace pressure fuel manifold
(TM 1-1520-238-23).
NO
Replace fuel/defuel valve(s)
(TM 1-1520-238-23).
END OF TASK
