TM 9-2320-209-20-3-2 13-9. SERVICE BRAKES MINOR This task is the TOOLS: Safety jack Chocks (4) 11/16-inch wrench SUPPLIES: None PERSONNEL: One ADJUSTMENT. NOTE same for all six wheels of the truck. EQUIPMENT CONDITION: Truck parked, engine off, handbrake set. FRAME 1 1. Check wheel bearing adjustment. Refer to para 14-3. CAUTION Do not adjust brakes if the wheel bearing adjustment is bad or the brakes are hot. 2. Jack up truck and put safety jack under frame. Jack truck down onto safety jack. Refer to para 11-4. 3. Place chocks (1) at wheels that are still on ground. GO TO FRAME 2 13-61