check whether it is its own mini pump mechanical failure
time2012/01/12
Second, checkwhether it isits ownmini pumpmechanical failure,common reasonsare:packingtoo tightorbetween theimpeller andmini pumpisclogged withdebrisstuck; mini pumpshaft,bearings,reducingleakageringrustto live;shaftseriousbendingand so on.Remedy:relaxfiller, and clear theflume;openmini pumpremovedebris,rust;remove thecorrectionorreplacement of thepumpshaft.