一台西北-15型小四轮拖拉机(配 CC-15-195型柴油机),经常自动熄火,检查了喷油泵、喷油嘴及油路等均无异常现象,给油箱加满油,起动后运转约15分钟,转速开始下降,加大油门,转速仍不能升高,继而自行熄火。拆检柴油滤清器发现,滤清器里面有大量沉积物,滤芯表面被厚厚的杂质堵住。清洗柴油滤清器滤芯后,工作正常了。原来,这个滤清器自使用后,就没有清洗和保养过,大量的杂质堵塞了滤芯,造成柴油机因供油不足而熄火。 A small tractor northwest -15 (with CC-15-195 diesel engine), often automatically turn off, check the fuel pump, fuel injector and oil were no abnormalities, the tank filled with oil, after starting Running for about 15 minutes, the speed began to decline, increase the throttle, the speed can not be increased, and then turn itself off. Dismantling the diesel filter found that there are a lot of sediment filter, the filter surface is blocked by thick impurities. Cleaning diesel filter cartridge, working properly. It turned out that the filter from the use, there is no cleaning and maintenance, a large number of impurities blocked the filter, resulting in diesel engine due to lack of fuel and flame out.