Air Brakes Unloader Valve

When the compressor tank pressure reaches the point where the electrically powered compressor would have the motor power cut off by the pressure switch what happens on the fuel driven compressor is the motor is revved down to an idle when the tank is full.

Air brakes unloader valve.

There is no application guide that tells us what air brake valves the manufacturer used on your truck or trailer. This problem usually points back to the air dryer air governor sensing line or the air compressor unloader. The site may feel slow and unresponsive at times. It s currently a bit busy.

Haldex product unloader valve 312013014. Remove the air governor sensing line at the governor and use regulated shop air to cycle the compressor. Why does my air brake compressor cycle constantly. You have clicked a page that seems to be very popular.

Here are some easy ways to troubleshoot. On these types of air compressors the unloader valve is also now known as a throttle valve. Air suspension additional air accessories use of an undersized compressor frequent stops. Factors that add to the duty cycle are.

Air compressors are designed to build air run loaded up to 25 of the time. The only people who can tell you what valve the vehicle manufacturer used based on a vin are the vehicle dealers. Air valve part number references. With that said there are other ways to determine which valve you need.