TM 9-2320-209-20-3-2 FRAME 2 1. Using 13/16-inch wrench, unscrew coupling nut (1) from elbow (2). 2. Using 13/16-inch wrench, unscrew coupling nut (3) from elbow (4). 3. Working from under truck and using 7/16-inch socket wrench, unscrew and take off four locknuts (5) and take off two U-bolts (6). 4. Take off lower air reservoir (7). GO TO FRAME 3 13-184