TM 9-2320-209-20-3-3 18-8. FLOATING DRIVER’S SEAT REMOVAL AND REPLACEMENT. TOOLS: 9/16-inch wrench SUPPLIES: None PERSONNEL: One EQUIPMENT CONDITION: Truck parked, engine off, handbrake set. a. Removal. FRAME 1 1. Using wrench, unscrew and take out four screws (1) and washers (2). 2. Take out driver’s seat (3). END OF TASK 18-20