3406C Generator Sets Caterpillar


Sensors and Electrical Components

Usage:

3406C C2G

超速关断




图 1g00994091

安装在飞轮壳体内的磁传感器,通过感受掠过的飞轮齿圈上的齿数来测量发动机的转速。 当发动机转速升高到大于超速设定值时,磁传感器就会感测到超速,并向发电机组控制装置发出信号。 发电机组控制装置将启动关断燃油的螺线管和空气关断阀(如有配备)。 每次超速关断后,发电机组控制装置和空气关断阀(如有配备)二者都必须重新设置。 必须在发动机重新启动之前明确超速的原因。

切断空气

空气关断阀是选购附件。 空气关断阀是一个电动装置,它可被超速关断信号启动,或者,在按下紧急停车按钮时被启动。 在重新启动发动机之前,发电机组控制装置和空气关断阀(如有配备)二者都必须重新设置。 必须在发动机重新启动之前明确关断的原因。




图 2g00994093

冷却液温度传感器




图 3g00994095

冷却液温度传感器装在汽缸盖内。 水温过高或过低都会启动报警信号或关断。 无需复位。

发动机加油压力传感器




图 4g00994097

发动机机油压力传感器安装在发动机侧面。 机油压力过低会启动报警信号或关断。 无需复位。

冷却液液位传感器(如有配备)




图 5g00994098

冷却液液位降到最低液位以下时,冷却液液位传感器会启动报警信号,或者造成关断,以避免发动机过热或可能引起的发动机损坏。 必须向散热器添加冷却液以便纠正这种状况。

Caterpillar Information System:

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