TM 9-2320-209-10-1 FRAME 6 1. Move side plates (1 and 2) back into place. 2. Make side plates (1 and 2) fast with retaining pins (3 and 4), and handnuts (5 and 6). 3. Pull U-bolt (7) up and hook it over tailboard sheave bracket (8). GO TO FRAME 7 4-276