Air Brakes Unloader Valve

Why does my air brake compressor cycle constantly.

Air brakes unloader valve.

Haldex product unloader valve 312013014. Remove the air governor sensing line at the governor and use regulated shop air to cycle the compressor. Factors that add to the duty cycle are. Air valve part number references.

The site may feel slow and unresponsive at times. This problem usually points back to the air dryer air governor sensing line or the air compressor unloader. The only people who can tell you what valve the vehicle manufacturer used based on a vin are the vehicle dealers. You have clicked a page that seems to be very popular.

There is no application guide that tells us what air brake valves the manufacturer used on your truck or trailer. On these types of air compressors the unloader valve is also now known as a throttle valve. Air compressors are designed to build air run loaded up to 25 of the time. Here are some easy ways to troubleshoot.

It s currently a bit busy. With that said there are other ways to determine which valve you need. Higher duty cycles cause conditions that affect air brake charging system performance which may require additional maintenance. 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.