TM 9-2320-209-20-3-2 FRAME 3 1. Working at front of air reservoir (1), put on retaining strap (2) as shown. 2. Using 9/16-inch wrenches, screw on and tighten two capscrews (3) and locknuts (4). CAUTION Do not tighten coupling nut (5) too much. Screw on and finger tighten coupling nut onto fitting, then using 13/16- inch wrench, tighten nut about 1/8 turn. 3. Using 13/16-inch wrench, screw on and tighten coupling nut (5). NOTE Follow-on Maintenance Action Required: 1. Start engine and let air pressure build. Refer to TM 9-2320-209-10. 2. Do air system leak test. Refer to Part 1, para 1-5. 3. Replace spare tire. Refer to TM 9-2320-209-10. END OF TASK 13-225