TM 9-2320-209-20-3-2 FRAME 7 1. Put tube (1) with coupling nuts (2 and 3) in place as shown. CAUTION Do not overtighten coupling nuts (2 and 3). Screw on and finger tighten coupling nuts onto fittings, then using 7/8-inch wrench, tighten nuts. 2. Using 7/8-inch wrenches, hold adapter (4) and screw on and tighten coupling nut (2). 3. Using 7/8-inch wrench, screw on and tighten coupling nut (3). NOTE Follow-on Maintenance Action Required: 1. Start engine and let air pressure build. Refer to TM 9-2320-209-10. 2. Check for leaks. Refer to para 1-5. 3. Replace spare tire. Refer to TM 9-2320-209-10. END OF TASK 13-216