TM 1-1520-238-T-7
10–182
Change 5
10–60. FUEL TRANSFER PUMP IS NOT OPERATING WITH PILOT FUEL TRANS SWITCH SET
10–60
AT TO FWD
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 1-1520-238-23
1. Check for 28 VDC at P940–3.
Is voltage present?
YES
Go to step 4.
NO
Go to step 2.
2. Check for 28 VDC at P429–B15.
Is voltage present?
YES
Repair open wire between
(A402)J23–B15 and P940–3.
Go to paragraph 10–47.
NO
Go to step 4.
3. Check for open between P174–B1 and
P429–B15.
Is voltage present?
YES
Repair open wire.
Go to paragraph 10–47.
NO
Replace pilot FUEL panel
(TM 1-1520-238-23).
4. Have assistant detach fuel transfer pump air
inlet lines. On pilot FUEL panel, verify that
TRANS switch is set at TO FWD. Have assistant
check air flow.
Is air flow present?
YES
Replace fuel transfer pump
(TM 1-1520-238-23).
NO
Replace fuel transfer air control
valve
(TM 1-1520-238-23).
END OF TASK
