填料压盖不能拧得过紧，保持液体有滴状泄漏，否则泵运转时可能导致填料烧坏。

Packing gland can't be screwed too tight, keep liquid leaking drop by drop, otherwise it maybe cause to packing burn down.

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注入润滑脂时必须旋转泵轴，以使其充分进入填料腔，直到填料压盖端有油脂渗出为止。

Sure to rotate the pump shaft when pouring lubricating grease, in order that the grease can get into packing cavity fully until have grease oozed out from gland.

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最后一圈填料装好后，要装紧压盖，运转时再调整松紧度。

Fill the last lap after installed, loading pressed to cover operation for further adjustment of tightness.

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