PM620, PM622, PM820, PM822 and PM825 Cold Planer Machine System Caterpillar


Auxiliary Hydraulic System Troubleshooting

Usage:

PM825 3C6

动力输出装置离合器故障排除

故障:动力输出装置离合器不接合。

可能的原因:

  1. 发动机转速高于 850 rpm。

  2. 转筒检修门打开。

  3. 锁定阀上的电磁阀未通电。

辅助系统故障排除

故障:液压泵噪音过大。

可能的原因:

  1. 泵出现气蚀。

  2. 液压油含有空气。

  3. 液压泵损坏。

故障:液压油过热。

可能的原因:

  1. 液压压力过高。

  2. 液压油油位过低。

  3. 液压油受到污染。

  4. 使用的液压油类型不正确。

  5. 液压油冷却器堵塞。

  6. 液压泵损坏。

  7. 热旁通阀正在旁通。

  8. 风扇标定不正确。

故障:液压系统不包含任何液压压力。

可能的原因:

  1. 液压系统不包含任何油流。

故障:液压系统没有任何油流。

可能的原因:

  1. 液压泵没有接收到任何的油。

  2. 液压泵出故障。

  3. 液压油油位过低。

  4. 液压管路阻塞。

  5. 液压系统泄漏。

故障:液压油压波动。

可能的原因:

  1. 液压系统有滞留的油。

  2. 液压油受到污染。

  3. 液压泵出故障。

Caterpillar Information System:

PM620, PM622, PM820, PM822 and PM825 Cold Planer Machine System Visual Inspection (Auxiliary Hydraulic System)
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