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(一)前言东风_4型内燃机车成批生产以来,通过运用实践,在电气控制、电气元件、电气部件的安装等方面暴露出一些薄弱环节。经过几年来的攻关试验,从提高技术性能和运用可靠、方便检修方面作了新设计。电路图也曾作了多次修改,使之逐步得到改进和完善,提高了运用可靠性,减少了机车电气运用故障率。本文就东风_4型内燃机车使用过的电路图的要点加以介绍,使对东风_4型内燃机车电路图的发展有
(I) Foreword Since Dongfeng-4 diesel locomotive has been mass-produced, some weak points have been exposed in the aspects of electrical control, installation of electrical components and electrical components through the practice of application. After several years of tackling tests, from the improvement of technical performance and the use of reliable, easy to repair made a new design. The circuit diagram has been modified several times to make it gradually improved and improved, improving the reliability of operation and reducing the failure rate of locomotive electrical operation. This article introduces the main points of the circuit diagram used by Dongfeng _4 diesel locomotive to make the development of the circuit diagram of Dongfeng _4 diesel locomotive