TM 9-2320-209-20-3-2 FRAME 4 1. Hold straight edge (1) against drive belt (2). Using finger pressure and 6-inch ruler (3), push against center of drive belt. 2. Using air compressor pulley wrench, screw on pulley flange (4) until 6-inch ruler measures one inch to straight edge. 3. Using 9/16-inch socket wrench, tighten screws (5 and 6). NOTE Follow-on Maintenance Action Required: 1. Replace radiator. Refer to Part 1, para 6-3. 2. Replace brush guard. Refer to Part 1, para 6-4. END OF TASK 13-257