1021. FUEL BST CIRCUIT BREAKER DOES NOT STAY CLOSED

1020. CPG FUEL PANEL EDGE-LIGHTS DO NOT LIGHT

1022. FUEL XFEED CIRCUIT BREAKER DOES NOT STAY CLOSED (ADA)

TM-1-1520-238-T-7 Army Model AH-64 Helicopter (NSN
Page Navigation
112

TM 1-1520-238-T-7 10–111 10–21. FUEL BST CIRCUIT BREAKER – DOES NOT STAY CLOSED 10–21 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-6 TM 1-1520-238-23 Equipment Conditions: Ref Condition TM 1-1520-238-23 Electrical power distribution box cover removed 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. Detach P1 from (A402)J1. Check that FUEL BST circuit breaker is closed. Does circuit breaker stay closed? YES Go to step 2. NO Refer to TM 1-1520-238-T-6 to troubleshoot circuit protection system (dc essential bus 2 – pilot station). 2. Detach wire end at (A402)TB2-29-P. Check for short between P191-B1 and ground. Does short exist? YES Repair shorted wire. Go to paragraph 10–17. NO Go to step 3. 3. Attach P191. Check for short between detached wire end at (A402)TB2-29-P and ground. Does short exist? YES Replace CPG FUEL panel (TM 1-1520-238-23). NO Go to paragraph 10–17. END OF TASK

Privacy Statement
Press Release
Contact