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Water Pump Failures Causes And Methods

Water Pump Failures Causes And Methods

FailurePossible CausesMethods
1.Pump not suck water, both pointers of manometer and vacuometter severly jump. a:Water input the water pump is not enoughb:Air leakage on water input pipes and instrumentsa:Input more water into water pumpb:Tighten and block the air leakage parts
2.Pump not suck water, high vacuum shown on vacuometera:Bottom valve not opened or blocked upb:Too large resistance of the suction pipelinec:too high suction heighta:adjust or replace bottom valveb:clean or replace water input pipesc:reduce water input height
3.No water out through pressure is shown on manometera:too large resistance on outlet pipelineb:Uncorrect rotating directionc:Impeller blocked up d:Insufficient rotating speed
a:clean or shorten water pipeb:clean rotation direction of motor c:clean impellerd:increase rotation speed of water pump
4.Pump flow rate reduced or pump lift dropsa:impellers or piprs are jammedb:too serious abrasion on seal rings or impellersc:rotation speed is too lowa:clean impellers and pipesb:replace damaged partsc:adjust to rate rotation speed

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