![]() At the brake assembly, connect a transparent bleeder hose to bleed screw fitting on wheel cylinder and submerge free end into a container partially filled with brake fluid.Start bleeding procedure on the brake furthest from the master cylinder.Insert a screw driver through the hole in the bottom of the inner member and use short strokes to pry on push rod (while holding safety release bracket up) until no air bubbles are seen coming from small orifice hole in the bottom of the master cylinder reservoir. IMPORTANT: Before bleeding brake lines, bleed the actuator master cylinder.Let fluid in reservoir stand until completely free of air bubbles. Avoid shaking brake fluid container and pour liquid slowly to minimize air entrapment. Follow instructions on brake fluid container. Use either DOT 3 or DOT 4 automotive brake fluid. Remove the master cylinder reservoir plug and fill the reservoir with brake fluid.Two people are required for manual bleeding. Read and understand all instructions before starting. ![]() Check that all hydraulic fittings are secure. If you are not skilled in performing the following procedures, have a qualified service shop do the job. Manual Bleeding of the UFP Trailer Brake System ![]()
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