SECTION I: PERSONNEL HEATER AND CONNEC TING COMPONENTSTM 9-2350-256-209 Remove Auxiliary Power Unit (APU) access coverassembly (see paragraph 9-49).10 Loosen clamp (16).11 Remove APU cooling air duct (17) by removingthree screws (18) and three lockwashers (19).12 Remove personnel heater exhaust hose assembly(20) by removing four screws (21), fourlockwashers (22), gasket (23), two screws (24), twolockwashers (25), and gasket (26).b. INSTALLATION1 Install personnel heater exhaust hose assembly (20)with four screws (21), four new lockwashers (22),new gasket (23), two screws (24), two newlockwashers (25), and new gasket (26).2 Install APU cooling air duct (17) with three screws(18) and three new lockwashers (19).3 Tighten clamp (16).4 Install APU access cover assembly (see paragraph9-49).10-3
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