TM 9-2320-209-20-3-2 b. Bleeding Air Hydraulic Cylinder. FRAME 1 1. Fill master cylinder. Refer to para 13-16a. 2. Using clean cloth, clean bleeding screw (1) on air hydraulic cylinder (2). 3. Put one end of bleeding hose (3) on bleeding screw (1). 4. Put other end of bleeding hose (3) into transparent container (4). Put hydraulic fluid into container until container is 1/2 full. Make sure that end of bleeding hose (3) is below level of fluid in container (4). GO TO FRAME 2 13-128