TM 9-2320-209-20-3-3 18-93. TAILBOARD ROLLER ASSEMBLY REMOVAL, REPAIR, AND REPLACEMENT (TRUCK M756A2) . TOOLS : ½-inch open end wrench Flat-tip screwdriver ½-inch rope, 15 feet Hoist SUPPLIES: None PERSONNEL: Two EQUIPMENT CONDITION: Truck parked, engine off, handbrake set. a. Preliminary Procedures. (1) If truck has tailgate, take it off. Refer to para 18-16. (2) If truck has side racks, take them off. Refer to TM 9-2320-209-10. (3) If truck has drop sides, take them off. Refer to TM 9-2320-209-10. 18-511