TM 9-2320-209-20-3-4 19-7. WINCH DRUM LOCK ASSEMBLY REMOVAL, REPAIR, AND REPLACEMENT (TRUCK M756A2). TOOLS: 1/2-inch wrench (2) 3/4-inch wrench SUPPLIES: Solvent, dry cleaning, type II (SD-2), Fed. Spec P-D-680 PERSONNEL: One EQUIPMENT CONDITION: Truck parked, engine off, handbrake set. a. Removal. FRAME 1 1. Using 1/2-inch wrenches, unscrew and take off locknut (1). 2. Using 1/2-inch wrench, unscrew and take off nut (2). 3. Take off drum lock latch (3). GO TO FRAME 2 TA 080927 19-24