1042. ENGINE 2 FUEL CROSSFEED/SHUTOFF VALVE INDICATOR DOES NOT MOVE TO CLOSED POSITION WITH CPG ENG 2 FIRE PULL HANDLE PULLED

1041. ENGINE 2 FUEL CROSSFEED/SHUTOFF VALVE INDICATOR DOES NOT MOVE TO FORWARD POSITION WITH CPG ENG 2 FIRE PULL HANDLE PUSHED

1043. FUEL BST CIRCUIT BREAKER DOES NOT STAY CLOSED WITH BOOST PUMP ON

TM-1-1520-238-T-7 Army Model AH-64 Helicopter (NSN
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TM 1-1520-238-T-7 10–138 10–42. ENGINE 2 FUEL CROSSFEED/SHUTOFF VALVE INDICATOR – DOES NOT MOVE 10–42 TO CLOSED POSITION WITH CPG ENG 2 FIRE PULL HANDLE PULLED 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-T-8 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 for 28 VDC at (A131)J2-A7. Is voltage present? YES Go to step 2. NO Go to step 3. 2. With P179 attached, check for 28 VDC at P939-2. Is voltage present? YES Go to step 4. NO Repair open wire between: P179-A7 and P429-B6, (A402)J23-B6 and (A402)TB2-13-E, (A402)TB2-13-F and (A402)J5-B10, P442-B10 and P939-2. Go to paragraph 10–17. 3. Check for 28 VDC at P174-B16. Is voltage present? YES Replace pilot FUEL panel (TM 1-1520-238-23). NO Refer to TM 1-1520-238-T-8 to troubleshoot utility system. 4. Check for open between P939-5 and GS541-M. Does open exist? YES Repair open wire. Go to paragraph 10–17. NO Replace engine 2 fuel crossfeed/shutoff valve (TM 1-1520-238-23). END OF TASK

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