[Pump fever] reasons: bearing damage; rolling bearing or bracket cover gap is too small; pump shaft bending or two axes are not heart; tape too tight; lack of oil or poor oil quality; impeller balance hole blocked, the impeller out of balance , Increasing the thrust to the side. Remedy: Replace the bearing; Remove the back cover, install the gasket between the bracket and the bearing seat; Investigate the pump shaft or adjust the concentricity of the two shafts; Adjust the tightness of the tape properly; Fill the clean butter and butter About 60% of the gap; clear the balance hole plug. ã€Flow less】 Reason: The power speed is not matched or belt slippage, so that the speed is low; Axial flow pump blade mounting angle is too small; Lack of head, the pipe is too long or the pipe has a right-angle bend; Pipelines and impeller partial blockage or impeller defect; outlet pipe serious water leakage. Remedy: restore the rated speed, remove the belt grease, adjust the belt tightness; adjust the blade angle, reducing the pump installation location, the road curvature; sealing the pump leaks, packing; removal of obstruction, replacement pump impeller; Replace the leak ring, plug the leak. ã€Absorption of water】 Reason: pump air or gas intake pipe, or at the end of the valve is not strict Irrigation irrigation dissatisfaction, vacuum pump packing serious leaks, gate valve or beat the door closed lax. Remedy: First water pressure up, and then filled with water pump, and then boot. At the same time check the check valve is tight, piping, fittings leaks, such as found leakage, remove the joint at the joints coated with oil or paint, and tighten the screws. Check the pump shaft seal ring, such as serious wear and tear should be replaced with new pieces. Piping leaks or leaks. Nuts may not be tightened during installation. If the leakage is not serious, can be smeared in the place of leakage or leakage of cement, or coated with asphalt mixture of cement slurry. Temporary repair can be painted wet mud or soft soap. If the joint leaks, you can use a wrench to tighten the nut, if serious leakage must be re-disassembly, replacement of cracked pipe; reduce the head, the pump nozzle into the water pressure of 0.5 meters. [Severe vibration] reasons: electric rotor imbalance; bad coupling; bearing wear and tear; rotating part of the loose, broken; pipe stent is not strong and other reasons. Remedy: Respectively to adjust, repair, reinforcement, straightening, replacement and other methods.
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