2. Check whether the amount of water in the cavity of the liquid ring vacuum pump exceeds the starting requirement of the water ring pump. Before starting the pump, the intake valve must be opened first. No water in the pump chamber is allowed to start, so as to avoid the leakage caused by dry grinding of the seal.
3. Check whether the waterway and circuit are well connected. Whether the waterway is smooth and the water pressure meets the required requirements; when connecting the circuit, the steering of each vacuum pump must be required to meet the required requirements. (start-up test run without load)
4. Point the working button of the liquid ring vacuum pump, turn to meet the requirements, start the liquid ring vacuum pump and open it immediately.
Water ring pump intake valve, adjust the water volume.
5. Avoid liquid ring vacuum pump inhaling gas or water with particles, avoid wearing impeller, pump body or blocking impeller.
6. The bearings of the motor of the liquid ring vacuum pump should be filled with oil 1-2 times a year, and the bearings should be cleaned at least once a year, and all the lubricants should be replaced.
7. When leakage occurs in mechanical seals used in liquid ring vacuum pumps, it is necessary to check whether the dynamic and static rings of mechanical seals have been damaged or whether the sealing rings have been aged. If the above situation occurs, new parts need to be replaced.
8. Pumps that have been shut down for a long time must be rotated several times by hand before starting to verify that there is no jamming or other damage in the liquid ring vacuum pump.
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