TM 9-2320-209-20-3-2 c. Rear Hub and Brake Drum. (1) Disassembly. Soldiers 1. Put drum (1) on top of two wood blocks (2) as shown. A and B Soldier A 2. Using 9/16-inch wrench, unscrew and take off ten nuts (3) and washers (4). Take off inspection cover (5). 3. Using brass hammer, tap hub assembly (6) out of drum (1). GO TO FRAME 2 14-26