TM 9-2320-209-20-3-4 23-11. OIL PAN SHROUD REPAIR. TOOLS: 6-inch pliers 9/16-inch wrench SUPPLIES: None PERSONNEL: One EQUIPMENT CONDITION: Truck parked, engine off, handbrake set. NOTE Make sure powerplant heater is off and cool. a. Removal. FRAME 1 1. Using pliers, take out and throw away cotter pin (1). 2. Using 9/16-inch wrench, unscrew and take off four capscrews with washers (2), two on each side, while holding oil pan shroud (3) in place. 3. Take down oil pan shroud (3). END OF TASK 23-28