TM 9-2320-209-20-3-4 19-12. REAR WINCH ASSEMBLY WORM GEAR HOUSING OIL DRAIN TUBE REMOVAL, CLEANING, INSPECTION, REPAIR AND REPLACEMENT (TRUCK M764). TOOLS: Open end wrench set, pn GGG-W-636 One-gallon drain pan SUPPLIES: Lubricating oil, GO 80/90, MIL-L-2105 Solvent, dry cleaning, type II (SD-2), Fed. Spec P-D-680 Clean dry rags PERSONNEL: One EQUPMENT CONDITION: Truck parked, engine off, handbrake set. a. Removal. FRAME 1 1. Put drain pan under elbow (1). 2. Using wrench, unscrew and take out pipe plug (2). Let oil drain into drain pan. 3. Using wrenches, unscrew and takeout screw (3), nut (4), clamp (5), and bracket (6). GO TO FRAME 2 19-64