使用三大精密偶件垫圈的注意事项□张鼎明发动机上三大精密偶件都装有平垫圈，零件虽小，作用很大，因其“貌”不扬，往往被人忽视，若这些小零件上出了毛病，轻则漏油、漏气，重则功率下降，油耗增加，甚至发生启动困难现象。１喷油嘴垫圈的使用（１）安装喷油嘴垫圈时... Precautions on the use of three precision coupling washers □ Zhang Dingming three precision bearings on the engine are equipped with flat washers, although small parts, a great role, because of its “appearance” is not young, often neglected, if these small parts On the out of the problems, ranging from oil spills, leaks, while reducing power, fuel consumption increases, or even start difficult phenomenon. 1  nozzle gasket use (1) installation of nozzle washers ...