TM 9-2320-209-34-2-3 18-10. CONTROL VALVE REMOVAL AND REPLACEMENT (TRUCK M342A2). TOOLS: No special tools required SUPPLIES: Control valve gasket PERSONNEL: One EQUIPMENT CONDITION: Truck parked, engine off, handbrake set. a. Preliminary Procedures. (1) Raise and brace dump body. Refer to TM 9-2320-209-10. (2) Drain hydraulic reservoir. Refer to LO 9-2320-209-20-12/1. (3) Remove power takeoff propeller shaft. Refer to Propeller Shaft and Universal Joint Removal and Replacement, TM 9-2320-209-20. (4) Remove hydraulic pump adapter and spacer. Refer to para 18-9. b. Removal. FRAME 1 1. Unscrew and takeoff locknut (1) and takeout screw (2). 2. Take hoist control valve lever (3) off control box (4) and trunnion (5). GO TO FRAME 2 18-214