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多年来,DF4C型机车装用的16V240ZJC型柴油机的凸轮轴传动装置的中间齿轮装配易发生故障,主要是装配中的两个D7215型圆锥滚子轴承保持架发生破碎很普遍,即使是新轴承也难以保证在一个中修期的使用过程中质量可靠。由于该部件安装在柴油机泵板内部,且用来传递转矩以驱动凸轮
Over the years, DF4C locomotive equipped with 16V240ZJC diesel engine camshaft transmission device easy to intermediate gear assembly, mainly in the assembly of two D7215 tapered roller bearing cage is commonplace, even the new bearing is difficult Ensure that the use of a repair period of quality and reliable. Since the part is mounted inside the diesel pump plate and used to transmit torque to drive the cam