TM 9-2320-209-20-3-2 c. Bleeding Wheel Cylinders. CAUTION Air-hydraulic cylinder must be bled before bleeding wheel cylinders or brakes will not work properly. NOTE When a brake line has been taken off at only one wheel, bleed the wheel cylinder at that wheel only. When all wheel cylinders must be bled, start with wheel cylinder farthest away from master cylinder. FRAME 1 1. Connect bleeding tank to master cylinder. Refer to para 13-15a. 2. Using clean cloth, clean bleeding screw (1). 3. Put one end of bleeding hose (2) on bleeding screw (1). 4. Put other end of bleeding hose (2) into transparent container (3). Put hydraulic fluid into container (3) until container is 1/2 full. Make sure that end of bleeding hose is below level of fluid in container. GO TO FRAME 2 13-122