TM 9-2320-209-20-3-2 FRAME 2 1. Using 1/2-inch open end wrench, unscrew coupling nut (1) and take off master cylinder hydraulic line (2). 2. Using 1/2-inch open end wrench, unscrew coupling nut (3) and take off air hydraulic cylinder hydraulic line (4). 3. Using 5/8-inch open end wrench, unscrew coupling nut (5) and take off air hydraulic cylinder breather line (6). GO TO FRAME 3 13-108