东风_4型机车喷油泵下体回油量大原因分析及解决措施

Reason analysis and preventive measures of DF_4 locomotive injection pump bottom housings returning more oil

介绍了东风４ 型机车柴油机喷油泵下体回油量大的原因，提出了采用“节油器”接头的办法，把喷油器下体由压力润滑改为压力飞溅式润滑，并在实践中取得了效果。

The reasons of DF\-4 locomotive diesel engine injection pump bottom housings returning more oil were presented. A method to lubricate injection pump bottom housings by means of pressurse splash type instead of pressure type using\!throttle\'joints was put forward.practice showed that the results were very satisfactory.\;