TM 9-2320-386-10 2-75 (3) At front of cargo body, rotate locking handle (9) counterclockwise to loosen. Grasp ring (10), turn T-bolt (12) 90 degrees, and withdraw lock- ing handle (9). NOTE Assistant will help with step 4. (4) Grasp dropside (11) and carefully lower. Do not allow dropside (11) to fall freely. 2-28. OPERATION OF CARGO TRUCKS (Contd) ~ 9 12 11 10