TM 9-2320-209-20-3-2 13-34. AIR COMPRESSOR DRIVE BELT REMOVAL, REPLACEMENT, AND ADJUSTMENT. TOOLS: 9/16-inch socket wrench 10-inch extension 24-inch adjustable Air compressor pulley adjusting wrench, pn 10935288 Straight edge Ruler SUPPLIES: None PERSONNEL: One EQUIPMENT CONDITION: Truck parked, engine off, handbrake set. a. Preliminary Procedure. Remove fan drive belts. Refer to Part 1, para 6-9. b. Removal. 1. Using socket wrench, unscrew and take out two capscrews (1). 2. Using air compressor pulley adjusting wrench (2), turn adjusting flange (3) to the left. 3. Take off air compressor drive belt (4) from air compressor pulley (5) and crankshaft pulley (6). END OF TASK 13-258