TM 9-2320-209-20-3-4 b. Repair. Repair mirror and bracket assembly by replacing damaged parts. c. Replacement. FRAME 1 1. Put threaded stud (1) through arms (2 and 3) as shown. 2. Screw on nut (4) with lockwasher (5). Snug up nut, but do not tighten at this time. GO TO FRAME 2 21-19