APU: REMOVAL AND INSTALLATION (CONTINUED)cDEFGHIJKRemove two screws (1), two lockwashers (2) and two flatLwashers (3) from air-intake plenum (4). Discard lockwashers.Remove one hose clamp (5) securing hose to air cleaner hous-Ming (6).Loosen plenum box generator hose clamp (7) and removeNplenum (4) and attached air cleaner intake hose.Disconnect electrical wiring harness connectors (8 and 9) fromAPU compartment-wall connections.ODisconnect two hydraulic pressure switch electrical connec-tors (10).PClose hydraulic reservoir ball valve (p 16-3).Disconnect hydraulic pump outlet hose coupling (11) fromelbow (12). Allow hose to drain into suitable container.Disconnect hydraulic pressure line (13) from hydraulic T-connection (14). Allow hose to drain into suitable container.Disconnect hydraulic pump inlet hose coupling (15) fromQelbow (16). Allow hose to drain into suitable container.Place hose through APU support stand (17) and allow hose tolie straight against forward APU compartment bulkhead.Disconnect ground lead (18) at bulkhead by removing screw(19) and two lockwashers (20). Discard lockwashers.Remove clamp (21) and tube assembly (22) from exhaustoutlet. Remove and discard gasket (hidden). Push tube in up-ward position for clearance.Disconnect secondary filter outlet line (23) at quick-disconnectfitting (24).Disconnect fuel return line (25) at quick-disconnect coupling(26).NOTEPull fuel return line through opening and let hanginside vehicle. Also pull fuel filter drain hosesthrough APU support stand and allow to hangout of APU doorway.Remove six screws (27), six lockwashers (28) and six flatwashers (29) securing support stand (17) to APU compartmentfloor. Discard lockwashers.TA31305713-3Change 1TM 9-2350-267-20
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