3512B and 3516B High Displacement Locomotive Engines Caterpillar


Crankshaft Vibration Damper - Inspect

Usage:

3516B BCK
曲轴减振器限制了曲轴的扭振。 粘液减振器有一个置于充满液体的壳体内的重块。

曲轴减振器损坏或曲轴减振器出现故障会增加扭振。 这会损坏曲轴或其它发动机零部件。 减振器故障可导致扭振过高。

减振器过热可能是扭振过高、轴承磨损或减振器损坏的结果。 运行中,利用红外线温度计监测减振器的温度。 遵循红外线温度计附带的说明。 如果温度达到 100°C (212 °F),请咨询您的 Caterpillar 代理商。

检查减振器有无凹陷、裂纹或液体泄漏的迹象。

如果发现液体渗漏,确定液体类型。 减振器中的液体为硅酮。 硅酮具有以下特性:透明、粘稠、光滑。

如果渗漏的液体是机油,检查曲轴油封是否渗漏。 如果观察到渗漏,请更换所有密封。

如因下列任一原因,要检查减振器并修理或更换减振器:

  • 减振器有压痕、破裂或泄漏。

  • 减振器上的油漆因受热而变色。

  • 发动机曾发生因曲轴断裂而引起的故障。

  • 曲轴轴承出现过度磨损。

  • 齿轮传动系有并非因缺少机油而造成的的大量磨损。

拆卸和安装

有关更换减振器的信息,请参考拆解与装配手册, "减振器 - 拆卸和安装"文章或向Caterpillar 代理商咨询。

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