4125柴油机气缸盖螺母防松试验研究

A Research on Preventing Cylinder Head Nuts from Loosing on 4125 Diesel Engine

通过对4125柴油机气缸盖螺母拧紧扭矩的试验研究,找到了气缸盖螺母防松的措施.经过一年多生产实践考验,彻底杜绝了由于气缸盖螺母松动造成的故障.

Measures to prevent cylinder head nut from loosing has been discovered based on the test and study of the torque of cylinder head nuts for 4125 diesd engine. With the verification in production for more than 1 year,troubles caused by the loose of cylinder head nuts are eliminated.