某部一台解放-141型载重汽车,在运行过程中,逐渐有高速不稳、动力不足的现象,这种现象持续有半个月,且越来越甚,维修人员对发动机燃料供给系,包括燃油滤清器、汽油泵、输油管以及化油器各主要管道进行检查,没有发现问题。然后对点火系进行检查,检查了分电器,包括容电器,白金触点及活动、固定触点臂等,并进行火花鉴定,也没有发现问题,最后在化油器进油针阀前的滤网上发现了扁状草片,将此物拿 The liberation of a ministerial-141 type truck, in the operation process, there are high-speed instability, lack of power phenomenon, this phenomenon lasted for two weeks, and more and more maintenance staff on the engine fuel supply system, Including fuel filters, gasoline pumps, pipelines and carburetor main pipeline inspection, found no problem. Then check the ignition system, check the distributor, including the capacitor, platinum contacts and activities, fixed contact arm, and spark identification, did not find the problem, and finally in the carburetor into the needle valve before the filter Found on the net flat grass, the thing to take