TM 30-4320-344-242.13.3 Muffler Maintenance. Model US636HCCD-1.This task covers:2.13.3.1 Removal2.13.3.3 Repair2 .13 . 3 . 2 I n s p e c t i o n2 .13 . 3 . 4 I n s t a l l a t i o nINITIAL SETUPToolsEquipment ConditionsGeneral Mechanic’s AutomotivePumping station shut down, TMTool Kit, Appendix B, Section10-4320-344-10.III. Item 1Material/PartsGeneral Safety InstructionsTo prevent rolling or sliding, do not workLock Washers (TM 10-4320-344-24P)on equipment that is not securelys t a b i l i z e d.Do not work on equipment without followingstandard shop safety precautions.2.13.3.1 Removal.a .Remove nut (Figure 2-30, 1), bolt (2), and protective cap assembly (3) fromexhaust elbow pipe (4) .b .Remove two nuts (5), clamp (6), U-bolt (7), and exhaust elbow pipe (4) fromexhaust muffler (8).c .Remove two nuts (9), clamp (10), and U-bolt (11).d.Remove two nuts (12), lock washers (13), and bolts (14) from two loopclamps (15). Discard lock washers (13).e .Carefully remove exhaust muffler (8) from manifold exhaust pipe (16) and twoloop clamps (15).f .Remove two bolts (17), lock washers (18), and loop clamps (15). Discard lockwashers (18).g .Remove two screws (20), lock washers (21), and two weldment braces (19).Discard lock washers (21).2.13.3.2 Inspection.a .Inspect exhaust muffler (8) for holes, cracks, or burned out internalcomponents.b .Inspect all mounting hardware for damage.2.13.3.3 Repair. Replace all defective components.2.13.3.4 Installation.a.Place two weldment braces (19). on flywheel cover and secure with two newlock washers (21) and screws (20).b.Position two loop clamps (15) on weldment braces (19) and secure with two newlock washers (18) and bolts (17).2-86
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