TM 9-2320-209-20-3-1 5-6. EXHAUST SYSTEM (VERTICAL STACK) REMOVAL AND REPLACEMENT (TRUCKS WITH ENGINES LD 465-1, LD 465-lC, AND LDT 465-lC EXCEPT TRUCKS M50A2 AND M50A3). TOOLS : 7/16-inch open end wrench 1/2-inch open end wrench 7/16-inch socket wrench 1/2-inch socket wrench Slip joint pliers 9/16-inch open end wrench Flat-tip screwdriver (2) 9/16-inch socket wrench 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. 1. Using 7/16-inch wrenches, unscrew and take out locknut (1) and bolt (2) . 2. Using screwdriver and pliers, spread couplng (3) and slide coupling a few inches up pipe (4) . 3. Throw gasket (5) away. GO TO FRAME 2 TA 047228 5-55