TM 9-2320-209-20-3-4 19-19. CABLE LEVEL WINDER DRIVE CHAINS REPAIR (TRUCK M764). TOOLS: Grinder SUPPLIES: Chain connecting link assembly PERSONNEL: One EQUIPMENT CONDITION: Truck parked, engine off, handbrake set. a. Preliminary Procedure. Remove drive chain to be repaired. Refer to para 19-15. b. Repair. FRAME 1 WARNING Eye shields must be worn when using grinder. Eye injury can occur if eye shields are not used. 1. Using grinder, grind off riveted ends of link pins (1) on any link found to be damaged. Take off keeper (2) and link (3). 2. Put connecting link (4) through both ends of chain (5). 3. Put on keeper (6) and clip (7). NOTE Follow-on Maintenance Action Required: Replace drive chain. Refer to para 19-15. END OF TASK 19-101