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(一)前言《内燃机车》1982年6、7两期先后发表了“东风4型内燃机车‘—8’电路图及‘改进的—8’电路图的设计”一文,对东风4型内燃机车电气线路的改进做了简要的分析与介绍。东风4型内燃机车的“—8”电气线路图,从1981年9月新造第0419号机车起,改为“改进的—8”电气线路图以后,针对运用中出现的问题,又进行了攻关和改进,并分别从1982年12月新造0530号机车、1983年新造第0598号、0619号机车起根据运用和检修过程中发现的问题,做了进一步改进设计,并报请铁道部机务局、工业总局批准。下面对“部批—8”电路图的设计,做以简要的说明。
(I) Preface “Diesel Locomotive” In 1982 6,7 two issues successively published “Dongfeng 4 diesel locomotive -8 ’circuit diagram and” improved -8’ circuit design “article on the Dongfeng 4 diesel locomotive electrical circuit The improvements made a brief analysis and introduction. Dongfeng 4 diesel locomotive ”-8“ electrical circuit diagram, starting in September 1981 the new No. 0419 locomotive, changed to ”improved -8“ electrical circuit diagram for the operation of the problems arise, they conducted a research And made improvements to the new Locomotive No. 0530 in December 1982 and the locomotive No. 0598 No. 0619 newly made in 1983 in accordance with the problems found during the operation and maintenance of the locomotive and submitted them to the Bureau of Railway Construction Machinery and Industry General approval. The following part of the ”batch of -8" circuit design, make a brief description.