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

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。

Properly press the packing gland in case of a little bit wear and replace it in case of too much wear.

填料磨损时可适当压紧填料压盖，若磨损过多应予更换。

NOTE: If minor leakage occurs, remove lock screw, lock washer and cap and lightly tighten packing gland nut.

注：如果出现少量的泄漏，则拆卸锁紧螺丝，然后锁住垫圈和阀盖，然后轻轻紧固填料压紧螺母。

The stem and packing gland are also stainless steel for corrosion protection.

阀杆和填料密封装置同样采用不锈钢，具有耐腐蚀性能。

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.

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。