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阿托斯柱塞泵機械維護
采用補油泵供油的柱塞泵,，使用3000h后,，操作人員每日需對柱塞泵檢查1-2次,，檢查液壓泵運轉(zhuǎn)聲響是否正常。如發(fā)現(xiàn)液壓缸速度下降或悶車時,，就應該對補油泵解體檢查,，檢查葉輪邊沿是否有刮傷現(xiàn)象，內(nèi)齒輪泵間隙是否過大,。對于自吸油型柱塞泵,，液壓油箱內(nèi)的油液不得低于油標下限，要保持足夠數(shù)量的液壓油,。液壓油的清潔度越高,，液壓泵的使用壽命越長。
柱塞泵zui重要的部件是軸承,，如果軸承出現(xiàn)游隙,，則不能保證液壓泵內(nèi)部三對磨擦副的正常間隙，同時也會破壞各磨擦副的靜液壓支承油膜厚度,，降低柱塞泵軸承的使用壽命,。據(jù)液壓泵制造廠提供的資料，軸承的平均使用壽命為10000h,，超過此值就需要更換新口,。拆卸下來的軸承，沒有專業(yè)檢測儀器是無法檢測出軸承的游隙的,，只能采用目測,，如發(fā)現(xiàn)滾柱表面有劃痕或變色，就必須更換,。
在更換軸承時,，應注意原軸承的英文字母和型號，柱塞泵軸承大都采用大載荷容量軸承,，購買原廠家,，原規(guī)格的產(chǎn)品，如果更換另一種品牌,，應請教對軸承有經(jīng)驗的人員查表對換,，目的是保持軸承的精度等級和載荷容量。

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