738. UTIL HYD INDICATOR DOES NOT INDICATE 3000 PSI ( APU OPERATING )

739. TAIL WHEEL ADVISORY LIGHT IS NOT LIGHTED

TM-1-1520-238-T-5 Army Model AH-64 Helicopter (NSN
Page Navigation
117

TM 1-1520-238-T-5 7–118 7–38. UTIL HYD INDICATOR – DOES NOT INDICATE 3000 PSI ( APU OPERATING ) 7–38 Tools: Nomenclature Part Number Tool Kit, Aircraft SC518099CLA01 Mechanic’s Personnel Required: 67R Attack Helicopter Repairer (2) References: TM 1-1520-238-T-4 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. Start APU (TM 1-1520-238-23). Is APU shaft 7 turning? YES Go to step 2. NO Refer to TM 1-1520-238-T-8 to troubleshoot APU system. 2. Shutdown APU (TM 1-1520-238-23). Remove utility hydraulic pump (TM 1-1520-238-23). Is utility hydraulic pump shaft sheared? YES Replace utility hydraulic pump (TM 1-1520-238-23). NO Refer to TM 1-1520-238-T-4 to troubleshoot drive system. END OF TASK

Privacy Statement
Press Release
Contact