Pressure Switches
两个压力开关监控着转向系统的状况。
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| 图 1 | g02012315 |
转向蓄能器底部 (1) 转向蓄能器压力高油压开关 | |
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| 图 2 | g02012373 |
机架导轨内部右侧视图 (2) 转向泵低油压开关 | |
低油压开关 (2) 将监控转向活塞泵的低压备用输出。 高油压开关 (1) 将监控转向蓄能器压力。
低油压开关 (2) 安装在安全阀下方的机架组件上。 高油压开关 (1) 安装在其中一个转向蓄能器的底部。
当转向系统压力降至压力开关止动压力以下时，转向泵的低油压开关将警告操作员。 当转向系统压力低于压力开关止动压力时，转向蓄能器的高油压开关将警告操作员。
注: 这两个压力开关产生的警告都属于警告级别 3。 行动报警器会鸣响，报警指示灯会闪烁。
注: 只有当行驶速度高于 8 km/h (5 mph) 时，才会显示报警。
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