APU STARTS BUT SHUTS DOWN, ESU BITE INDICATES

APU MOTORS BUT DOES NOT START, ESU BITE INDICATES

APU STARTS BUT SHUTS DOWN, ESU BITE INDICATES (OVERSPEED) (CONTINUED)

TM-55-1520-240-T-3 CH-47D Heilcopter Manual
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TM 55-1520-240-T 15-6.14 APU STARTS BUT SHUTS DOWN, ESU BITE INDICATES (OVERSPEED) 15-6.14 FAULT ISOLATION PROCEDURE INITIAL SETUP References: TM 55-1520-240-23 Applicable Configurations: TM 55-2835-203-23 All TM 55-4920-431-13 Tools: Aircraft Mechanic's Tool Kit, Equipment Condition: NSN 5180-00-323-4692 TM 55-1520-240-23 Electrical Repairer's Tool Kit, Battery Connected NSN 5180-00-323-4915 Electrical Power On APU Tester 161226-200 Hydraulic Power On APU Tester Connected Between ESU and Airframe Materials: Wiring. All Tester Switches Set Down None Personnel Required: Aircraft Electrician Medium Helicopter Repairer GO TO NEXT PAGE Change 23 15-127

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