When one foot brake or several foot braking is applied, the brake pedal can be slowed down and stopped, although the brake pedal is on the bottom, but the wheels are not braking. This is the failure of the brake. When this fault is found, the parking should be checked immediately.

(1) first check the total pump storage room, if the liquid level is too low, should be added to the brake fluid in time.

(2) check Baotou North running heavy card accessories brake hose and copper pipe, if there is broken, oil leakage parts should be repaired or replaced.

(3) decompose and check the state of the skin bowl of the general pump and sub pump of Baotou North running heavy truck. It is found that when there is a tread or serious damage, it should be reset or replaced in time.

(4) the brake fluid with poor quality is easy to cause air resistance after heating. When the large amount of gas is accumulated in the fittings of Baotou Bei Ben heavy truck, it should exhaust or replace the brake fluid with good quality.