1066E. FUEL TRANSFER PUMP IS NOT OPERATING WITH CPG FUEL TRANS SWITCH SET AT TO AFT

1066D. PILOT AND CPG GREEN FUEL XFR INDICATORS ARE LIGHTED WITH PILOT FUEL TRANS SWITCH SET TO OFF (ADB)

1066F. FUEL TRANSFER PUMP IS NOT OPERATING WITH CPG FUEL TRANS SWITCH SET AT TO FWD

TM-1-1520-238-T-7 Army Model AH-64 Helicopter (NSN
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TM 1-1520-238-T-7 Change 5 10–188.5 10–66E. FUEL TRANSFER PUMP IS NOT OPERATING WITH CPG FUEL TRANS SWITCH SET 10–66E AT TO AFT 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 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. Check open for between: P191–A6 and P174–A8. Does open exist? YES Repair open wire between P191–A6 and P174–A8. Go to paragraph 10–47. NO Go to Step 2. 2. Check open for between (A131): J1–A8 and J1–A9 Does open exist? YES Replace pilot FUEL panel (TM 1-1520-238-23). NO Replace CPG FUEL panel (TM 1-1520-238-23). END OF TASK

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