Also look for dust particles, hair, or any other foreign material that may interfere with the 'o' Ring sealing.

同时看一下有没有灰尘、头发或者其他影响O型圈密封的东西。

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This paper introduces the cause of the seepage in valve box of oil isolation pump, and solves the problem of the valve box seepage by way of the improvement of die slot in O - ring and seal material.

本文介绍油隔离泵阀箱渗漏的原因，能过对阀盖O型圈沟槽的改进及采取乐泰密封胶替代牛油盘根进行密封，解决了阀箱渗漏的问题。

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Thoroughly clean all parts exposed to material, including piston barrel, piston head, O-ring, one-way valve, filling head, feeding tank, hopper, etc. Damaged seal shall be immediately replaced.

应彻底清洗所有和物料接触的部件，包括活塞缸、活塞头、O型圈、单向阀、灌装头、料桶、料斗等，发现破裂损伤的密封应及时进行更换。

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