CHAPTER 13: MAINTENANCE OF APUTM 9-2350-256-2013-7 REPLACE/REPAIR APU CONTROL BOX-Continued7Disconnect six connectors (26) from three circuit breakers (27) and remove three lead assemblies (28) and APUcontrol box wiring harness (29).8Remove three circuit breakers (27) by removing two screws (30), two lockwashers (31), and two nuts (32) fromeach.9Remove APU generator switch (23) and three switches (25) by removing eight screws (33), eight lockwashers (34),and two switch guards (35).10Remove oil pressure indicator (21) by removing two nuts (36), two lockwashers (37), and bracket (38).11Remove two indicator lights (19) by removing lens (39), gasket (40), two screws (41), and two lockwashers (42)from each.NOTERemove ID plate (43) only if required.12Remove control box ID plate (43) by removing four rivets (44).13Disassemble three lead assemblies (28) and APU control box wiring harness (29) (see Chapter 6, Section VII).13-10
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