经常有这样的情况,195柴油机大修后试车时,有类似供油时间过早引出的不正常声音,听起来很象排气噪音,柴油机工作比较粗暴,很大程度上是由于飞轮锁紧螺母没有拧紧所致。由此造成了飞轮与曲轴撞击,进而发出噪音。遇此情况,应先检查气门间隙和供油提前角,若均合适,说明飞轮螺母没锁紧。这时,切忌马上试车,因为柴油机运转几分钟内就可能造成飞轮键“滚 Often there is such a situation, 195 diesel engine overhaul after the test, there is a similar lead time to lead to abnormal sounds, sounds very much like exhaust noise, diesel engine work more rude, largely due to the flywheel lock nut no Tighten. As a result, the flywheel collides with the crankshaft and noise is generated. In this case, you should first check the valve clearance and fuel supply advance angle, if they are appropriate, indicating that the flywheel nut is not locked. At this time, should not immediately test the car, because the diesel engine operation within a few minutes may cause the flywheel key ”roll