TM 9-2320-209-20-3-2 1. Using 1-inch wrench, hold adapter (1). Using 1 1/16-inch wrench, screw coupling nut (2). Take away and save adapter. 2. Slide coupling nut (2) with spring (3) back on hose (4) so sleeve (5) can be seen. Sleeve must be tight on hose and hose must be out past sleeve. 3. Go to other end of hose and do frames 1, 2, and 3 again. Do steps 1 and 2 of this frame again. Then go to step 4. WARNING Eye shields must be worn when using compressed air. Eye injury can occur if eye shields are not used. 4. Using compressed air, blow through hose (4) to clean out any chips or dirt. NOTE Follow-on Maintenance Action Required: Replace adapter and hose in truck. Refer to para 13-41. END OF TASK 13-286