东风7B型机车柴油机改7C型柴油机的应用研究

Application Study of Dongfeng 7C Diesel Engine in Place of 7B Locomotive Diesel Engine

将东风7B机车的柴油机在机车大修中改用7C机车柴油机之后,降低了机车柴油机系统的故障,延长了机车的使用寿命,保证了煤炭运输的任务。

In a locomotive overhaul,Dongfeng 7C Diesel Engine replaced 7B Diesel Engine,which could decrease the fault rate of locomotive diesel engine system,extend its service life,and ensure coal transportation.