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导致油液变质；此外，油液中析出的沥青等沉淀物还会堵塞小孔或狭胀，配合间隙变小，影响阀芯移动，有被卡住的可能

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此外，会使油液的润滑性能变坏，增加元件的磨操作。2）油温过高，将使油液氧化加快

1）油温过高，油液粘度降低，油缸或油马达运动速度变慢，使农具提升缓慢，回油机构汉有工作

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R900921245 4WRA6E30-22/G24N9K4/V-589

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R900923472 4WRA6W07-22/G24N9K4/V

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防止液压油温度过高。在工作过程中，如果发现液压没温度过高，必须及时查找原因加以排除，否则将产生如下不良影响和后果