Failure causes of the reasons to exclude the pump does not absorb water, pressure gauge and vacuum gauge pointer violently beating a, into the water pump is not enough b, into the water pipe and instrument leakage a, and then into the water pump b, tighten the blockage of the air pump Department does not absorb water Vacuum gauge has shown a high degree of vacuum a, the end of the valve is not open or blocked b, suction tube resistance is too high c, high absorbent height a, leveling or replacement of the valve b, cleaning or replacement of suction hose c, reducing the height of the suction gauge There is pressure and the pump is still not a, outlet pipe resistance is too large b, the direction of rotation is not c, impeller clogging d, the pump speed is not enough a, cleaning or shortening of the water pipe b, check the motor rotation c, cleaning impeller d, increase pump speed Lower than the design requirements a, impeller or pipeline blockage b, seal ring or impeller wear too much c, speed is not enough a, clean the impeller and pipe b, replace the damaged parts c, adjust to the rated speed The pump consumes too much power a, Filler gland is too tight, stuffing box fever b, the impeller and the seal ring friction c, the flow is too large a, relax the packing gland b, to eliminate mechanical friction c, off small water valve inside the pump abnormal sound pump suction water a Absorption of water pipe resistance is too large b, suction pipe leakage of air c, excessive flow occurs cavitation a, reducing the height of suction to shorten the length of the suction pipe b, block the leak at c, adjust the outlet valve so that the pump within the specified working conditions The use of pump vibration a, pump cavitation, impeller imbalance b, the pump shaft and the motor is not on the same center line c, anchor bolts loose a, eliminate cavitation, balance of the impeller b, school pump and motor concentricity c , Tighten the anchor bolt bearing overheating a, insufficient or excessive lubricant, or deterioration b, pump and motor shaft is not the same a, check the amount of oil to clean the bearings and oil b, the shaft centerline alignment
