一位在农村开磨房的朋友 ,邀我去给他修柴油机。我问他 :“啥毛病 ?”他说 :“发动起来后 ,几分钟时间 ,便自动停机 ,几次都这样。”我经过仔细检查 ,没有发现常见的一般故障原因 ,最后在打开油箱盖 ,查看柴油多少时 ,发现油箱盖上的一个小通气孔被脏物堵塞 ,清理后 ,重新发动? A friend who opened the mill in the countryside invited me to train him a diesel engine. I asked him: “What’s wrong?” He said: “When it started up, it stopped automatically in a matter of minutes, a few times.” After careful examination, I found no common cause of the malfunction and finally opened the fuel cap, When you look at the amount of diesel, you find that a small vent hole in the fuel tank cap is blocked by dirt and cleaned up.