Baotou beiben heavy duty truck accessories damage common form of connecting rod bolt bolt fracture, screw thread damage and deformation. The main cause of injury is:
Not in accordance with the provisions of the use of bolts and torque assembly. When the assembly is assembled, the tightening torque is too large to exceed the yield limit of the bolt material, which causes the permanent deformation of the bolt.
Tighten the bolt torque is too small or not in accordance with the tightening method, so that the big end of the connecting rod to produce cracks, or connecting rod bearings and the neck of the gap is too large, the impact load of the bolt is too large and broken or sliding wire.
The cleaning work is poor, so that the bolt and the connecting rod support surface is not vertical, so that the bolt produces additional bending stress and fracture or thread.
When assembling, the nut is not fitted with the sliding wire.
The processing method
Where any of the above circumstances are found, must be replaced by the new North Baotou heavy duty truck parts bolts, otherwise, it will cause major accident damage.
Assembly must be strictly in accordance with the bolt tightening specification.
Before assembly, do a good job cleaning, and pay attention to ensure that the North Baotou heavy duty truck parts bolts installed in place.