拆卸车轴护罩，清洁凸缘并重新密封。

Remove cover and clean flange and reseal.

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封闭装置凸缘可用机械方法或焊接方法洽当接合。除非封闭装置本身是防漏的，否则必须使用垫圈或其他密封件。

Closure flanges may be mechanically seamed or welded in place. Gaskets or other sealing elements shall be used with closures, unless the closure is inherently leak proof.

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内杯也有凸缘的径向延长从事的弹性体密封径向部分。

The inner cup also has a radially extending flange that engages a radial portion of the elastomeric seal body.

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