Pump impeller and the pump housing clearance is not very likely to affect the suction pump is not open water, pump inspection found that the sealing cavity, impeller, impeller, impeller, impeller is good
Even without water. In there is to check whether there is a leak, and if there is, it will cause the pump is not Sheung shui.
Yes, you are right. If the clearance is over the standard, the pump effect will be affected
It seems you are using the WFB type of self sealing self-priming pump ah, it is recommended to check the inlet air control valve is sealed, must not leak, you can, oh, most of this is the case
