TM 1-1520-238-T-7
10–154
Change 5
10–48. FUEL QUANTITY SYSTEM – CAPACITANCE AND INDICATING TEST
10–48
(USING TF-579 TEST SET)
Tools:
Nomenclature
Part Number
Tool Kit, Aircraft
SC518099CLA01
Mechanic’s
Headset,
H157AIC
Microphone (3)
Adapter Harness,
7-311B22060-81601
Intercommunication
System
Personnel Required:
67R
Attack Helicopter Repairer
Two people to assist
68X
Armament/Electrical Systems Repairer
References:
TM 1-1520-238-T-4
TM 1-1520-238-T-5
TM 1-1520-238-23
Equipment Conditions:
Ref
Condition
Paragraph 10–12
HELICOPTER FUEL
SYSTEM – VISUAL
CHECK completed
Paragraph 10–10
FUEL SYSTEM – POWER
UP completed
TM 1-1520-238-T-4
Maintenance headset
connected
WARNING
Make certain helicopter safing procedures are accomplished. Observe all
safety precautions during troubleshooting or maintenance procedures.
Failure to do so could result in death or serious injury.
Jet engine fuel is explosive, flammable, and toxic to skin, eyes, and
respiratory tract. Work in a well-ventilated area away from open flames.
Wear protective clothing. If fuel comes in contact with eyes or skin, flush
with water and get medical aid.
Do not allow sparks or flame near helicopter when servicing or
performing maintenance on fuel system.
Make certain helicopter is grounded.
Turn off power before detaching or reattaching wires and connectors.
High current 28 VDC or 115 VAC is present. Failure to do so could result
in death or serious injury.
NOTE
Refer to pilot station (fig. 10–59) and CPG station (fig. 10–60) for cockpit
configuration and equipment.
If referenced out of one paragraph or volume and into another for
additional troubleshooting, upon completion of the task, return to the
maintenance operational check for the original paragraph or volume.
