TM 10-4320-344-242.13.1 Muffler Maintenance, Model 609-A. (Continued)a .Remove nut (Figure 2-28,1), bolt (2) and protective cap assembly (3) frommuffler exhaust outlet (4).b .Remove two nuts (5), lock washers (6), clamp (7), and U-bolt (8) from mufflerintake sleeve (9).Discard lock washers (6).c .Remove nut (10), bolt (11), and exhaust muffler body (12) from loopclamp (13).d.Remove two retaining clamp mounting nuts (14), lock washers (15), screws (16)and loop (13).Discard lock washers (15).e .Remove two nuts (17), lock washers (18), screws (19), mounting bracket (20),and mending plate (21).Discard lock washers (18).2.13.1.2 Inspection.Inspect protective cap assembly (3), exhaust muffler (12), andall mounting hardware for damage.2.13.1.3 Repair.Replace all defective components.2.13.1.4 Installation.a.Position mending plate (21) and mounting bracket (20) and secure with twoscrews (19), new lock washers (18), and nuts (17).b .Position loop clamp (13) on mounting bracket (20) and secure with twoscrews (16), new lock washers (15), and nuts (14) .Before installing muffler, remove any obstructionssleeves on exhaust muffler body.Damage to enginec .Position exhaust muffler (12) in loop clamp (13)sleeve (9) on exhaust pipe.from intake and exhaustmay result.and mount muffler intakeDo not over tighten nut on loop clamp.Damage to exhaust muffler body mayr e s u l t .d.Secure loop clamp (13) with bolt (11) and nut (10).e.Position U-bolt (8) around muffler intake sleeve (9) and secure with clamp(7), two new lock washers (6), and nuts (5).When installing protective cap assembly, make sure cap arm is positioned toallow full limit of travel, or exhaust may not be properly vented.Damage toengine may result.f .Position protective cap assembly (3) on muffler exhaust outlet (4) and securewith bolt (2) and nut (1).2-82
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