TM 1-1520-238-T-7
Change 5
10–160.1
10–48A.
FUEL QUANTITY SYSTEM – CAPACITANCE AND INDICATING TEST
10–48A
(USING PSD 60-1AF TEST SET)
Tools:
Nomenclature
Part Number
Tool Kit, Electrical
SC518099CLA06
Repairer’s
Adapter Harness,
7-311B22060-81601
Intercommunication
System
Cord Assembly,
7-262100009-601
Electrical
(make item)
TM 1-1520-238-23
Headset,
H157AIC
Microphone (2)
Capacitance Resistance,
PSD 60–1AF
Bridge
T Cable
PSDAF-113
Multimeter, Digital
AN/PSM-45
Personnel Required:
68X
Armament/Electrical Systems Repairer
One person to assist
Attack Helicopter Repairer/
Technical Inspector
References:
TM 1-1520-238-T-4
TM 1-1520-238-T-5
TM 1-1520-238-T-6
TM 1-1520-238-23
Equipment Conditions:
Ref
Condition
TM 1-1520-238-23
Helicopter defueled
Fuel system safety
precautions observed
Access panel L40 removed
TM 1-1520-238-T-4
Maintenance headset
connected
TM 1-1520-238-T-5
Engine instruments
maintenance operational
check performed
TM 1-1520-238-T-6
Pilot and CPG edge–lights
maintenance operational
checks performed
Paragraph 10–12
HELICOPTER FUEL
SYSTEM – VISUAL
CHECK completed
Paragraph 10–10
FUEL SYSTEM – POWER
UP completed
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.
