我们发现有几台S195柴油机的油泵柱塞,只使用了200小时左右,就严重磨损,不能继续使用。经检查发现,原来是由于机手不熟悉滤清器的结构原理,拆卸清洗后,安装错误,使滤清器不起作用,造成柱塞副的早期磨损: 1.碗形圈位置安装不正。使毛毡圈和碗形圈之间形成间隙,未经过滤的柴油从此间隙流向喷油泵。正确的方法是,先把滤芯朝上放好碗形圈,然后罩壳倒过来向下装(如图1)。 2.滤芯下面的小橡胶圈位置安装不当,把小橡胶 We found that there are several S195 diesel engine pump plunger, used only about 200 hours, severe wear and tear, can not continue to use. The inspection found that the original is due to unfamiliar with the structure of the filter principle, disassembly and cleaning, the installation error, the filter does not work, resulting in early wear of the plunger pair: 1. bowl-shaped ring position is not installed properly. A gap is created between the felt ring and bowl ring, through which unfiltered diesel flows to the injection pump. The correct way is to first put the filter bowl bowl upwards, then the shell upside down (Figure 1). 2. The following small rubber ring filter installed in the wrong place, the small rubber