Alarms and Shutoffs
切断装置和警报器是两种类型中的一种:
- 电气
- 机械
所有电动切断装置和所有电子警报器通过传感装置内促动开关的部件来工作。
切断装置被设定在以下各项的临界水平上:
- 工作温度
- 工作压力
- 工作液位
- 工作转速
起动发动机之前,某个具体的切断装置可能需要复位。
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注意 |
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一定要确定导致发动机停机的原因。 在试图重新起动发动机之前,要进行必要的修理。 |
确保熟悉下列内容:
- 切断装置的类型和位置
- 导致每个切断装置起作用的条件
- 发动机重新起动的复位程序
发动机可能配备有各种警报器,以便在发生不利的运行情况时提醒操作员。
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注意 |
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某一警报被触发后,在情况变得紧急之前就必须采取纠正措施,以免可能对发动机造成损害。 |
一旦产生警报,应及时采取纠正措施,否则可能会导致发动机损坏。 警报一直持续到报警条件得到纠正。 报警器可能需要重置。
可能在警报器内安装了消声开关。 当停止发动机以进行修理时,可以在报警器里安装此开关。 起动发动机前,检查有无此开关。 确保将开关转到接通位置且警告灯在闪烁。 如果开关仍处在断开位置,发动机将得不到保护。
Caterpillar Information System:
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UPSB505 Uninterruptible Power Supply UPS Battery - 50Hz Basic Preventive Maintenance
UPSB505 Uninterruptible Power Supply UPS Battery - 50Hz Troubleshooting
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