1. Check the gap between the impeller
In self-priming pump used for too long after, very simple impeller loose formation of impeller and the machine itself to the gap is too large, in this way will not only affect the self-priming pump out the water, together will form machine packing was the damage status of attack. Facing the situation, it is recommended to our best to replace self suction pump shell, is probably the impeller mouth ring very good adjustment, is to assist the self sucking action key to obtain smooth. In the usual use of this approach to come to help, to ensure that the machine's self priming effect on the corresponding progress and improve.
2. Replace the impeller of the pipeline
Sometimes the flow of water pipeline in the long term has not been useful after finishing, will show the dirty things blocked perhaps, through such a way to choose, it is very simple to form the risk of self absorption ability. Therefore, the timing of the inner wall of the pipeline to sort out, and other if the store is too much, the need for timely replacement of the pipeline to do, to ensure that the role of water to improve the water.
