REMOVE IGNITION UNIT (CONT)

TM-55-2835-209-23 Gas Turbine Engine (Auxiliary Power Unit APU) Model T 62T 40 I Part Numbers 116305-100 and 116305-200 Manual
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TM 55-2835-209-23 5-9 REMOVE IGNITION UNIT (CONT) To prevent clogging or contam- ination, all exposed openings in fuel, oil, air lines and electrical connectors will be capped immediately. Be sure caps and plugs are clean. NOTE The ignition unit is equipped with an open circuit safety resistor which will allow bleed off of stored electrical charge when input power is re- moved. 1. Disconnect APU wiring harness con- nector (2) from upper end ignition unit (5). 2. Disconnect igniter pluq lead (1) from lower end ignition unit (5). 3. Loosen two lower mount bolts (3). Remove upper two mount bolts (3) and washers (4). Remove ignition unit (5). 4. Clean ignition unit (5) using proc- ess 7, Chapter 8. FOLLOW-ON MAINTENANCE: None. 5-20

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