TM 9-2320-209-10-4 2-11. REAR WINCH SHEAR PIN REMOVAL AND REPLACEMENT (TRUCK M756A2). TOOLS: Pliers Flat-tip screwdriver SUPPLIES: Artillery and automotive grease, type GAA, MIL-G-10924 Straight headed shear pin Cotter pin PERSONNEL: One EQUIPMENT CONDITION: Truck parked, engine off, handbrake set. a. Removal. 2-39