What is the reason why the truck suddenly fails to hit the air pressure?

There are many reasons why the truck suddenly can't get on. First, you should find a safe place and stop the car. Nowadays, cars are all air brakes. Without air pressure, cars can't move. Put three warning signs in the back well. Lift the cab, keep the engine running, and check all parts to see where there is air leakage. Look slowly, listen slowly, this will definitely be found out, because you are suddenly leaking gas, not walking slowly, which is easy to find. If there is no air leakage, the air pump does not work. There is another reason, why not pick up the brake handle and see if the air pressure can be started? If the hand brake handle is pulled, the gas sample can be pumped up, indicating that the quick release valve behind the air brake is broken. However, air leakage will not leak quickly. The automatic control valve and pneumatic pipeline next to the gas storage tank are the key search objects. As long as we can find the approximate location of the air leak and touch it with our hands, we can accurately locate it.

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