G3600 Engines Caterpillar


Air Starting Motor Problem

Usage:

G3606B 4ZS

可能原因

下列状况会致使起动马达无法运转。

  • 接合了盘机装置

  • 电气故障

  • 供气压力低

  • 润滑器故障

  • 起动马达控制阀故障

  • 起动马达中继阀故障

  • 起动马达磨损

建议的措施

盘机装置

确保盘机装置完全脱开。 检查联锁装置的接头和空气管路有无泄漏。

电气故障

起动系统的电路可能存在故障。 请参阅故障诊断与排除, "起动 - 测试"。

供给压力低

确定压力低的原因。 检查供气管路有无泄漏和/或堵塞。 进行必要的修理。

检查压缩机工作是否正常。

如果使用储气罐来供给气压,确保储气罐足够大。 检查储气罐内的气压。

检查压力调节器的调节是否正确。

润滑器

按照发动机操作和保养手册中的说明检查润滑器内的油位和调整润滑器。

检查润滑器的空气管路接头。 确保接头紧固且无泄漏。

拆解润滑器,清洁零件。 检查零件状况是否良好。 更换磨损或损坏的零件或更换润滑器。

控制阀

检查控制阀的电磁阀工作是否正常。 必要时,更换电磁阀。

中继阀

起动马达的小齿轮啮合后,中继阀使得大量供气压力能够进入空气起动马达。 确保中继阀没有卡住。 检查是否泄漏。 检查起动马达的供气管路有无碎屑。 确保空气管路正确连接。

起动马达磨损

在您拆下起动马达前,用手转动曲轴。 确保发动机内的机械故障没有阻止曲轴转动。 如果用手能够转动曲轴,试着再次使用起动马达。 如果起动马达不能转动曲轴,拆下起动马达。 检查起动马达有无磨损的零件。

检查起动马达有无磨损的密封。 堵住起动马达的排气口,在进口连接两个压缩空气源。 将起动马达浸没在水中至少 30 秒钟。 如果起动马达出现气泡,更换密封。

如果叶片有裂纹或叶片高度小于 32 mm (1.25 in),安装新叶片。

如果有任何转子轴承松动或粗糙,更换轴承。

如果转子体擦伤,尝试用金刚砂布来修光转子体。 如果转子体无法用金刚砂布修光,更换转子。

如果端盖被擦伤,用金刚砂布来修光端盖。

如果气缸有裂纹或深度擦伤,更换气缸。

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