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。
2
Packing or seals are used to prevent the pump leaking around the shaft where it emerges from the pump case.
为防止轴穿出泵壳处轴周围的泄漏，使用填料或密封。
3
Shaft seal: mechanical seal, according to user requirements can be used seal packing.