TM 9-2320 -209- 20-1-1 5-7. EXHAUST SYSTEM (CLEAN AIR) REMOVAL, AND REPLACEMENT. TOOLS : 7/16-inch open end wrench 1/2-inch scocket wrench l/2--inch open end wench 9/16-inch socket wrench 9/16-inch open end wrench Slip joint pliers 7/16-inch socket wrench flat--tip screwdriver SUPPLIES : None PERSONNEL : One EQUIPMENT’ CONDITION : Truck parked, engine off, handbrake set. a. Preliminary Procedure. Remove air cleaner. Refer to para 4-3. b. Removal. FRAME 1 1. Using 1/2-inch wrench, unscrew and take off locknut (1) and bolt (2). 2. Using screwdriver, spread coupling (3) and lift exhaust pipe (4) clear. Throw away gasket (5) and take off coupling. GO TO FRAME 2 TA 047213 5-76