Air Brake Compressor Governor

The air brake compressor still won t build air pressure with the governor removedif your air brake compressor still won t build air pressure after removing the governor the next step is to disassemble the unloader.

Air brake compressor governor.

The air brake charging system supplies the compressed air for the braking system as well as other air accessories for the vehicle. The compressor runs continuously while the engine is running so the d 2 governor activates the compressor s unloader mechanism when system pressure reaches the governor s cut out pressure. Inspect the parts for damage and correct operation. The governor on the air brake system changes the compressor to load or unload.

The system usually consists of an air compressor governor discharge line air dryer and service reservoir. If a problem is found replace the damaged pieces and re test with the. Created by the school of motive power technology at fanshawe college and the lo s. Bendix or284358x high temperature d 2 air compressor governor 105 125 psi reman.

The governor on an air brake system is also a switch but instead of turning the compressor off and on the governor puts the compressor into the load cut in and unload cut out phase. It deactivates the unloaders once system pressure has dropped to the governor s cut in pressure. An explanation of how an air governor works in the truck air brake system. This is an easy adjustment as you can see in the video.

2011 tennessee commercial driver s license. How to replace an air governor and cold start of the international dump truck. Or a single gauge with two. Bossy wife lazy husband.

This item controls the pressure in the air system. In other words the compressor pumps the entire time the engine is running. Adjusting the bendix d2 governor just takes a 7 16 wrench and a screwdriver. The unloading pressure for the typical air brake system is 120 psi but it can be higher up to 130 psi without a problem.

Anywhere in the middle is good in my book. Most modern air brake systems will operate with a maximum air pressure of 125psi 862kpa and a minimum pressure of 105psi 724kpa. Another way to think of the relationship between the governor and the compressor is that the governor is the bossy wife and the compressor is the lazy husband.