1.The ZX series self-priming pump, pump the work according to the operation condition, respectively, using high-quality calcium grease and No. 10 oil lubrication, if the grease pump should be regularly to the bearing box with butter, using lubricating oil pump, if the oil is not enough, and the foot of the.
2.Check the liquid inside the pump shell is higher than the upper edge of the impeller, if insufficient, can add liquid from the pump casing inlet of the pump body to direct injection liquid storage, should not start operation in the reservoir under the condition of insufficient, otherwise it can not work normally, and easy to damage the mechanical seal.
3.Check the pump rotating parts, whether there is a card bump phenomenon.
4.Check the pump body and the foot joint nut loosening.
5.Check the pump shaft and the motor shaft of the coaxial degree of peace.
6.Check the import pipeline is leaking, if there is a leak, must try to exclude.
7.Open the suction line of the valve, a little open (not fully open) export control valve.