TM 9--2350--292--20--20623 00--2AUXILIARY POWER UNIT ENGINE DUCT REPLACEMENT (HATZ) --CONTINUED0623 00Removal--Continued4. Remove exhaust stub (6) from exhaust manifold (11).5. Remove screw (12) and flat washer (13) from side heat shield (14) (fan side of APU).6. Remove two screws (15) and two flat washers (16) from side heat shield (17) (chaincase side of APU).7. Remove heat duct (10) from APU.8. Inspect all parts for damage and replace as required.Installation1. Install heat duct (10) on APU.2. Install two screws (15) and two flat washers (16) in side heat shield (17) (chaincase side of APU).3. Install screw (12) and flat washer (13) in side heat shield (14) (fan side of APU).4. Apply sealant to threads of exhaust stub (6), then install exhaust stub (6) in exhaust manifold (11).10171615141213116
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