TM 9-2320-209-20-3-1 c. Replacement. FRAME 1 1. Put lower stone shield (1) in place, alining two holes. 2. Using 9/16-inch wrenches, screw in and tighten two screws (2) and nuts (3). 3. Put upper stone shield (4) in place, alining five holes. 4. Hold five brackets (5) in place behind brush guard (6), alining holes. Using 7/16-inch wrenches, screw in and tighten five screws (7) and nuts (8). GO TO FRAME 2 TA 083359 6-18