3516C Generator Set Engines Caterpillar


Engine Has Early Wear

Usage:

3516C LY6

可能原因

  • 保养周期不正确

  • 发动机机油污染

  • 机油压力低

  • 进气系统泄漏

  • 检查燃油滤清器中有无污染物。

建议的措施

保养周期不正确

使用发动机操作和保养手册中建议的发动机机油,并按手册中建议的周期更换发动机机油。

发动机机油污染

排空曲轴箱,使用清洁的发动机机油重新加注曲轴箱。 安装新发动机机油滤清器。 请参阅发动机操作和保养手册。

如果机油滤清器旁通阀开启的话,将会导致机油未经过滤。 检查机油滤清器旁通阀的弹簧是否发软或折断。 如果弹簧已折断,则更换弹簧。 请参阅发动机的拆解和组装手册。 确保机油旁通阀操作正确。

机油压力低

当发动机的某些部件短期内显示轴承磨损时,其原因可能是机油通道阻塞。

发动机的机油压力表可能会指示有足够的机油压力,但是部件却因缺乏润滑而磨损。 在这种情况下,应查看向该部件供应发动机机油的通道。

进气系统泄漏

进气系统泄漏可使未经过滤的空气进入发动机中。 检查进气系统中有无表示未经过滤空气泄漏的痕迹。 检查所有密封垫和连接。 修理所有泄漏的地方。 请参阅系统操作、测试和调整,以了解更多信息。

检查空气滤清器。 必要时更换空气滤清器。

检查燃油滤清器中有无污染物

  1. 拆下燃油滤清器。 检查燃油滤清器中有无污染物。 安装新燃油滤清器。 请参考操作和保养手册。 确定杂质的源头。

  1. 燃油中的硫化氢和硫等污染物会导致曲轴箱中形成酸性物质。 获取燃油分析。

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