When the engine fails, it will show different phenomena. Abnormal noise is one of them. It is often the performance of some faults. If not eliminated in time, it will accelerate the wear and tear of machine parts and even cause accidents. Therefore, we must judge in time and take necessary maintenance measures to eliminate the trouble.

A look: that is to observe the situation of the defective mechanism, assembly and parts, and judge the work condition of Baotou Bei Ben heavy truck accessory engine.

Two touch: to test the temperature and vibration of the possible fault parts by hand touch, so as to judge the tightness of the matching, the size of the clearance of the bearing and the balance of the weight of the parts.

The three test: through a variety of test methods, the failure phenomenon is fully revealed, such as the horn, the Baotou North running heavy card accessories ignition switch or the Baotou North running heavy card accessories lighting switch, the fuel injector broken cylinder, the engine speed increase or reduction, and so on, if necessary, the installed assembly or parts can be replaced.

Four listen: according to the engine's different working conditions and different parts of the sound and sound rules, determine which is normal and what are abnormal.