在修理喷油泵时,常遇到一部分喷油泵柱塞套与上泵体的台肩之间不密封,有不同程度的漏油现象。其原因是:在更换柱塞时,一部分修理人员不分什么材料的泵体,都在柱塞套台肩处加上一些不必要的密封材料,惟恐漏油。有的加石棉线或棉纱,也有的加上厚度 When repairing the injection pump, often encounter some of the injection pump plunger sleeve and the shoulder between the pump body is not sealed, there are different levels of oil spills. The reason is: in the replacement of the plunger, part of the repair staff regardless of what material pump body, are in the plunger sleeve shoulder some unnecessary sealing material, but lest oil. Some plus asbestos or cotton yarn, but also with the thickness