Engine Vibration Is Excessive
可能原因
- 检查减振器
- 发动机支座
- 从动设备
- 发动机缺火
- 运转粗暴
建议的措施
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| 故障诊断与排除测试步骤 | 数值 | 结果 |
|---|---|---|
1. 检查减振器 A. 清理减振器周围的碎屑。 检查减振器有无损坏。 B. 检查固定螺栓有无损坏和/或磨损。 参考拆解和装配手册。 |
减振器 |
结果：减振器或安装螺栓损坏。 修理：更换损坏的减振器或损坏的安装螺栓。 结果：减振器或安装螺栓没有损坏。 转至测试步骤 2。 |
2. 发动机支架 A. 使发动机以转速范围内的各种速度运转，同时检查固定件和支架。 查找有无松动和/或断裂的固定件和支架。 B. 无论打算运转多长时间，在有负载的情况下运转发动机之前都要检查以下部件的对准情况： 1. 固定件 2. 连接器 |
发动机支架 |
结果：固定件和支架松动和/或断裂。 修理：更换松动和/或断裂的固定件和支架。 结果：固定件和支架没有松动和/或断裂。 转至测试步骤 3。 |
3. 从动设备 A. 检查从动设备的安装螺栓。 检查从动设备的对中和平衡。 B. 检查连接器。 |
从动设备 |
结果：从动设备和对中正常。 关于更多的故障诊断与排除信息，请参阅故障诊断与排除, "发动机缺火、运转粗暴或不稳定"。 结果：从动设备和对中不正常。 修理：修理或更换从动设备。 |
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