TM 9-2320-209-34-2-2 17-13. DRIVER’S SEAT (EARLY MODEL) REPAIR. TOOLS: No special tools required SUPPLIES: None PERSONNEL: One EQUIPMENT CONDITION: Truck parked, engine off, handbrake set. a. Preliminary Procedure. Remove driver’s seat. Refer to TM 9-2320-209-20. b. Disassembly. FRAME 1 1. Slide backrest cushion (1) up and off frame (2). 2. Take out two capscrews (3) and take off two nuts (4). Take off seat cushion (5). 3. Take out cotter pin (6), flat washer (7), pin (8), and spring (9). Take off adjusting handle (10). END OF TASK 17-131