TM 9-2320-209-20-3-3 18-86. OUTRIGGER CONTROL VALVE REMOVAL AND REPLACEMENT (TRUCK M764). TOOLS : Pliers Flat-tip screwdriver 9/16-inch wrench 11/16-inch wrench 7/8-inch wrench 1-inch wrench 1 1/16-inch wrench Cross-tip screwdriver (Phillips type) SUPPLIES : Tags Caps PERSONNEL: One EQUIPMENT CONDITION : Truck parked, engine off, handbrake set. a. Preliminary Procedure. Drain hydraulic system. Refer to LO 9-2320-209-12/1. b. Removal. 1. Using phillips screwdriver, unscrew and take out two screws (1). Take off lever cover (2). GO TO FRAME 2 18-467