TM 9-2320-209-10-4 2-12. REAR WINCH SHEAR PIN REMOVAL AND REPLACEMENT (MODEL M764). TOOLS: Pliers Ballpeen hammer, light 1/4-inch Drift punch SUPPLIES: Artillery and automotive grease, type GAA, MIL-G-10924 PERSONNEL: One EQUIPMENT CONDITION: Truck parked, engine off, handbrake set. a. Removal. FRAME 1 1. Place FRONT TRANSMISSION gear shift lever (1) in N position. 2. Turn drive sprocket (2) until ends of shear pin (3) can be seen. 3. Using pliers, take out cotter pin (4) at each end of shear pin (3). 4. Using drift punch and hammer, drive out shear pin (3). If shear pin was broken off, using drift punch and hammer, drive out broken pin and any pieces of pin. END OF TASK 2-41