转速不稳不一定是调速器的故障有不少机务人员，对柴油机转速不稳的故障原因认识不足，认为一定是调速器有问题。其实不然，在分析、排除转速不稳故障时，除要检查调速器外，还应检查喷油泵以下部位：（１）柱塞套定位螺钉其作用是限制柱塞套旋转，因还装有一个铜垫圈，可... Speed ​​instability is not necessarily a governor fault Many crew, lack of understanding of the cause of the failure of diesel engine speed instability, that there must be a problem with the governor. In actual fact, in the analysis, the exclusion of speed instability failure, in addition to inspecting the governor, but also check the following parts of the fuel pump: (1) plunger sleeve set screw its role is to limit the rotation of the plunger sleeve, because also equipped with A copper washer can be ...