Pressure Reducing Valve (Pilot Oil)
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| 图 1 | g00899893 |
先导油压减压阀位于后部机架的左侧。
先导油压由先导油减压阀控制。 先导油系统将在先导油减压阀压力设定值下稳定工作。
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| 图 2 | g00918851 |
(1) 先导油减压阀 (2) 进口 (3) 减压油出口 (4) 出口 | |
先导油减压阀 (1) 为插装阀，用来使机具、转向和制动回路保持恒定的先导压力。
来自泵的先导和制动段的先导油经过进口 (2) 流入先导油减压阀 (1) 。 减压油经过减压油出口 (3) 流向先导系统。 过多的油经过出口 (4) 流回液压油箱。
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