How to more effectively solve the problem of multi-stage mining pump rotation difficult 1) The running clearance between wear rings is not correct Elimination measures: check the gap is correct. Replace pump housing or impeller wear ring as required. 2) The pressure on the pump casing is too high Elimination measures: Eliminate stress and factory representatives advice. After eliminating the stress, check the alignment. 3) Shaft or impeller ring swing too much Remedy: Check rotating parts and bearings and replace worn or damaged parts as required. 4) There is dirt between the impeller and pump casing wear ring, dirt in pump casing wear ring Remedy: Clean and inspect wear rings and replace as required. Cut off and eliminate the source of dirt. Welcome to Changsha mine multi-stage pump, mine multi-stage pump manufacturers to buy mining multi-stage pump, multi-stage pump multi-stage wear-resistant mining pumps, horizontal multistage pumps, in the open centrifugal pumps and other models Centrifugal pump Car Prototype,Car Prototype Processing,Automobile Prototype,Car Model ShenZhen Jakeconn Precision Technology Co., Ltd. , https://www.jakeconn.com