If the pressure in the emergency line drops, because of the disconnection of the emergency line coupling, the activation of a valve in the cab, or a break in the emergency line, the spring brakes will activate immediately, because there is no air pressure in the trailer air tank left, to hold them back.
Conclusion
Here we came to the end of this ultimate truckers guide about how do Air brakes work!
Even though, I am truing as much as I can to present you the Air brake system and how do air brakes work, this topic is not something that can explain that well, just on a few pages of a paper.
You will need to read, watch and learn a lot more that this, in order to truly understand how do Air brakes work!
Anyway, the advantages of using Air brake systems are there, and they are great!
The use of Air brakes is quite simple. It is a technology that will apply more pressure and stop a heavy vehicle far quicker than the hydraulic brakes will!
A bigger leak with hydraulic brakes can mean game over, but the Air brakes that trucks and any other type of bigger and heavier vehicles are using are much more safe, reliable and trustworthy.
