TM 10-4320-344-242.13.2 Muffler Maintenance, Model 609-C.This task covers:2.13.2.1 Removal2 .13 . 2 . 4 R e p a ir2.13.2.2 Disassembly2.13.2.5 Assembly2 .13 . 2 . 3 I n s p e c t i on2 .13 . 2 . 6 I n s t a l l a t i o nINITIALSETUPToolsEquipmentConditions(Continued)General Mechanic’s AutomotiveExhaust Cover disconnected, paragraphTool Kit Appendix B, Section2 .12 .4.III, Item 1Outlet Scoop Assembly Bearing BushingsMaterial/Partsremoved, paragraph 2.12.5.Lock Washers (TM 10-4320-344-24P)General Safety InstructionsEquipment ConditionsTo prevent rolling or sliding, do not workon equipment that is not securelyPumping station shut down, TMs t a b i l i z e d.10-4320-344-10.Do not work on equipment without followingAccess Cover Assembly removed,standard shop safety precautions.paragraph 2.12.2.2.13.2.1 Removal.a.Remove two nuts (Figure 2-29, 1), lock washers (2), and U-bolt (3).Discardlock washers (2).b .Remove exhaust elbow (4) and exhaust baffle assembly (5).c .Remove two nuts (6), lock washers (7), clamp (8), and U-bolt (9). Discardlock washers (7).d.Remove two nuts (10), lock washers (11), flat washers (12), bolts (13), andsilencer support saddle (14) from exhaust muffler (15).Discard lockwashers (11).e .Remove exhaust muffler (15) from exhaust elbow assembly (16).f .Open left side engine access door (17) and remove two screws (18) and silencersupport assembly (19).2.13.2.2 Disassembly.Disassemble exhaust baffle assembly (5) as follows:a.Remove three screws (20) .b.Separate bafflescreen (23) .2.13.2.3 Inspection.a.Inspect exhaust muffler (15) for holes, cracks, or burned out internalcomponents.b.Inspect exhaust baffle subassembly components for craks or burns.subassembly (21) from acoustic panel (22) and bafflec .Inspect all mounting hardware for damage.2.13.2.4 Repair.Replace all defective components.2-83
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