12-96. TM 9-2320-361-20 2. Install stop (4), two springs (2), rod (3), and two nuts (1) on pushrod (5). 3. Install two levers (10), bushings (26), and shaft (27) on bracket (12). 4. Install two new cotter pins (28) in shaft (27). 1. Install new woodruff key (23) and arm (25) on cam (18). Tighten screw (24). 2. Install rod (3) in arm (25). 3. Install new woodruff key (23) and arm (25) on cam (18) and rod (3). Tighten screw (24). 4. Install bracket (12) on main support tube (15) with three new lockwashers (13) and screws (14). 5. Install clevis (8), clevis pin (9), and new cotter pin (7) on lever (10). 6. Install operating handle (22) on lever (10) with plate (20), screw (19), and nut (21). 7. Install latch (16) on bracket (12) with screw (17) and nut (11). FOLLOW-ON TASK: Install earth boring machine seat frame (para. 12-92). 12-161