1 要注意磨合使用　这是延长汽车发动机使用寿命的基础。无论是新的还是大修后的发动机 ,都必须按规范进行磨合后 ,方能投入正常作业。2 经常检查紧固部位　柴油机或汽油机在使用过程中受震动冲击和负荷不均等影响 ,螺栓、螺母容易松动 ,还有各部位的调整螺栓都要仔细检查 ,以 1 should pay attention to run-in use This is to extend the life of the car engine base. Whether it is new or overhauled engines, must be run in accordance with the specifications before they can put into normal operation. 2 often check the fastening parts Diesel engine or gasoline engine in the course of the impact by the shock and load imbalance, bolts, nuts easy to loosen, as well as the adjustment of the bolts in various parts should be carefully examined to