TM 9-2330-390-14&P4-127. MUFFLER REPLACEMENT (Con’t).DO NOT handle components in area of engine muffler gasket unless area has beenproperly cleaned. There may be asbestos dust on these components which can bedangerous if you touch it or breathe it. Wear an approved filter mask and gloves.Never use compressed air or a dry brush to clean components contaminated byasbestos. Dust may be removed using an industrial-type vacuum cleaner. Cleandust or mud away from components with water and a wet, soft brush or cloth. Failureto follow this warning may result in serious illness or death to personnel.Dry cleaning solvent, P-D-680, is toxic and flammable. Always wear protectivegoggles and gloves, and use only in a well-ventilated area. Avoid contact with skin,eyes, and clothes, and DO NOT breathe vapors. DO NOT use near open flame orexcessive heat. The solvent’s flash points 100° F-138° F (38° C-59° C). If youbecome dizzy while using cleaning solvent, immediately get fresh air and medicalhelp. If solvent contacts eyes, immediately wash your eyes and seek medicalattention.1.Clean all removed components with dry cleaning solvent and dry with a clean rag. Ensure that muffler gasketmounting surface on cylinder head is clean.2.Inspect all removed components for cracks, breaks, holes, distortion, damaged threads, or other damage.Replace damaged components.1.If removed, install two studs (7) on cylinder head (6).2.Install new gasket (5) and muffler (3) on cylinder head (6).3.Install two flange bolts (4) on muffler (3) and crankcase (8).4.Install two nuts (9) on studs (7). Torque nuts to 17-20 lb.-ft. (23-27 N·m).NOTEBottom middle flange bolt at muffler cover also secures lanyard tab that is part ofhydraulic hose bundle support.5.Install muffler cover (1) and lanyard tab (10) on muffler (3) with six flange bolts (2).Follow-onTasks:Install spring supporting hydraulic hose assemblies inside abrasion sleeve (hose bundle) to lanyard tab at mufflercover (see paragraph 4-109).4-377
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