TM 9-2320-209-34-2-2 17-15. COMPANION SEAT (LATE MODELS) REPAIR. TOOLS: No special tools required SUPPLIES: Solvent, dry cleaning, type II (SD-2), Fed. Spec P-D-680 Cotter pin (6) PERSONNEL: One EQUIPMENT CONDITION: Truck parked, engine off, handbrake set. a. Preliminary Procedures. (1) Remove companion seat assembly. Refer to TM 9-2320-209-20. (2) Remove cushions from companion seat assembly. Refer to TM 9-2320-209-20. 17-139