1) assembly adjustment according to technical specifications, and the front and rear upper tooth tooth to tooth meshing position in Baotou beiben heavy truck parts of bevel gear tooth root or in these Provisions, the meshing driving will bring noise, especially the noise in high speed rotating or sliding downhill is more obvious.
(2) bad maintenance caused. According to the requirements, the new diesel car running 1500~2000km should start maintenance. No maintenance required, will make the gear lubricating oil into the scrap and dirt clogging caused by Baotou beiben heavy truck accessories bearing, gear wear and even burn, tooth gap becomes larger, thereby making noise.
(3) bolt looseness, safety lock piece without locking, so that diesel vehicles on rough roads will be due to overcome resistance and increase the torque, the nut off, causing changes in Baotou beiben heavy truck parts meshing teeth, resulting in abnormal noise.
Improper use of the operation. When the diesel car wheel stuck in the mud, because of high speed diesel engine, the clutch pedal is forced to toss pit or overload, big slope start, gear due to the impact of excessive blow.