TM 9-2320-209-20-3-2 c. Replacement. FRAME 1 1. Put dust guard (1) over wheel cylinder (2) and into flange plate (3). 2. On the back side of wheel, put two lockwashers (4) on two screws (5). Start screws into wheel cylinder. Using 9/16–inch wrench, tighten screws. 3. Put brakeshoes (6) in slots in rods of wheel cylinder (7). GO TO FRAME 2 13-75