TM 9-2320-209-20-3-1 CHAPTER 5 EXHAUST SYSTEM GROUP MAINTENANCE Section I. SCOPE 5-1. EQUIPMENT ITEMS COVERED . This chapter gives equipment maintenance procedures for exhaust pipes and mufflers for which there are authorized corrective maintenance tasks at the organizational maintenance level. 5-2. EQUIPMENT ITEMS NOT COVERED. All equipment items for which corrective maintenance is authorized at the organizational maintenance level are covered in this chapter. Section II. EXHAUST PIPES AND MUFFLERS 5-3. EXHAUST SYSTEM (HORIZONTAL) REMOVAL AND REPLACEMENT (TRUCKS WITH ENGINE LD 465). TOOLS : 9/16-inch wrench (2) Hammer, medium 1/2-inch chisel SUPPLIES : Tailpipe extension gasket Front exhaust pipe gasket Manifold elbow gasket PERSONNEL: TWO EQUIPMENT CONDITION : Truck parked, engine a. Preliminary Procedure. Remove air cleaner. off and cool, handbrake set. Refer to para 4-3. WARNING Do not work on hot exhaust systems. Personnel can be badly burned. 5-1