Air Brake Dash Valve Diagram

Dirt is the greatest cause of premature air valve failure.

Air brake dash valve diagram. Valves direct the flow and release of air throughout an air brake system a big job for the network of compact. Watching the dash gauges for a pressure dropdual brake valve 7. If you see new types of valves which were not described on this diagram refer to our detailed valve description for information about other air brake valve components that bendix manufacturers. Air brake system troubleshooting 1 before replacing any valve with a new or remanufactured valve be sure to blow the air lines out either using the vehicles own air supply or shop air.

Slide valves have numerous holes in them to allow air to move from one area to another. Air brake valves and electronic controls. Reading air brake diagrams b. Service brake relay valves 5.

The slide valve will align with the slide valve seat. Created by the school of motive power technology at fanshawe college and the lo studio. This can also get into the unit and cause. Now that you have a typical air brake system understanding you should consult the air brake diagrams for the particular tractor manufacturer.

Trailer parking or emergency brakes. System safety valves in the supply reservoir andor air dryer 10. 14092018 14092018 7 comments on bendix dash valve diagram. Dash tractor protection valves.

Parking control valve 9. Trailer hand control valve 8. Abs information and diagrams are provided for guidance only. Spring brake relay valve where applicable 6.

Governor may be mounted on the air dryer as illustrated on the compressor. An explanation of how the dash valves work in the truck air brake system. The air brake. The slide valve seat is flush against.

Slide valve slide valves are attached to the piston inside the control valve. That diagram should now make a lot more sense. They move depending upon the move ment of the piston but have a certain amount of slack in there movement. With the introduction of spring brakes anti compounding and 121 air brake systems because a valve is leaking air out of its exhaust does not mean the valve is at fault.

If a spring brake is leaking from the the spring brake to the service brake side that air will travel back up the service line and out the exhaust of the next valve back.