1051. PILOT FUEL QUANTITY INDICATOR AFT VERTICAL DISPLAY DOES NOT INDICATE CORRECT FUEL QUANTITY

1050. PILOT FUEL QUANTITY INDICATOR FWD VERTICAL DISPLAY DOES NOT INDICATE CORRECT FUEL QUANTITY

1052. FUEL LOW AFT INDICATORS ARE NOT LIGHTED

TM-1-1520-238-T-7 Army Model AH-64 Helicopter (NSN
Page Navigation
202

TM 1-1520-238-T-7 10–168 10–51. PILOT FUEL QUANTITY INDICATOR AFT VERTICAL DISPLAY – DOES NOT 10–51 INDICATE CORRECT FUEL QUANTITY 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 Equipment Conditions: Ref Condition TM 1-1520-238-23 Access provisions – L40 door 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. With P937 attached to FSC, depress FSC bit TEST button. Check for 4.9 to 5.1 VDC between P253–18 and P253–19. Is voltage present? YES Replace pilot FUEL quantity indicator (TM 1-1520-238-23). NO Go to step 2. 2. Check for open between: P937–J and P253–19, P937–J and P253–23, P937–U and P253–18. Does open exist? YES Repair open wire. Go to paragraph 10–48. NO Go to step 3. 3. Check for 28 VDC at P937–H. Is voltage present? YES Replace FSC (TM 1-1520-238-23). NO Repair open wire between P401–45 and P937–H. Go to paragraph 10–48. END OF TASK

Privacy Statement
Press Release
Contact