TM 9-2320-209-20-3-3 b. Replacement. Soldiers 1. Put door (1) in place, alining hinges (2). Close door. A and B Soldier A 2. Using hammer, tap in two hinge pins (3). 3. Open door (1). Working inside cab and using pliers, put in and bend open ends of cotter pin (4). END OF TASK 18-3