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nong ji wei xiu si qiao men liu zhu yi
Author(s): 
Pages: 34
Year: Issue:  5
Journal: Modern Agricultural Machinery

Keyword:  农机维修 活塞环折断 气缸盖螺母 液压油缸 铸铁活塞 润滑油 气缸垫 卡死 专用工具 拖拉机;
Abstract: <正>1.农机维修五窍门(1)巧取油缸中折断的活塞环。上海-50型拖拉机的液压油缸活塞上采用的活塞环是铸铁活塞环,活塞环折断卡死在油缸中时,没有专用工具很难取出来。这时可将液压油缸放在烘炉上加温,然后用木锤在壳体上敲打,活塞就会带着折断的活塞环掉出来。
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