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1 前言 东风12 型机车两组独立的车体通风机分别安装在动力室两侧顶面上 ,其主要作用是用来将动力室内的油气烟雾排出车外。如果车体通风机发生故障 ,机械间内不能良好地通风 ,油气烟雾不能及时排出 ,将直接影响柴油机的使用寿命。车体通风机一旦发生故障 ,则需将其从机车
1 Foreword Dongfeng 12 locomotive two independent body fans were installed on both sides of the power chamber on the top surface, its main role is to be used to power oil and gas inside the car exhaust. If the car body fan fails, the mechanical room can not be well ventilated, oil and gas can not be discharged in time, will have a direct impact on the life of the diesel engine. Car body fan in the event of failure, they need to be from the locomotive