Trouble phenomenon analysis and troubleshooting First time the pump does not attract drainage 1. Pipeline debris into the import and export one-way valve, stuck valve ball washer unloader valve 2. Chemicals stuck in the ball check valve ball Check valve , The suction pipe installed filters 3. Long-term storage, valve ball valve seat unloading check valve 4. Adjust the flow in the 0 position 5. The motor does not turn the power supply voltage, high frequency start 6. Suction too high to improve the installation Way, add the bottom valve filter 7. There is air in the pump head Remove the outlet check valve, perfusion pump head 8. Liquid viscosity is too large temperature, dilution, etc. to reduce the viscosity of 9 suction pipe leakage check, reinstall 10. Import and export check valve installation error (installed anti) correct installation has been in use accidentally no pressure no liquid 1. Chemical solution stuck in the valve ball or padded valve washable one-way valve, suction pipe installation at the end of the valve filter 2. Liquid crystallized or solidified sticky ball valve or valve washable check valve to improve the liquid Of the use of 3. Valve ball seat wear corrosion, unsalable seal to replace the check valve 4. Limit sleeve deformation, stuck ball repair or replacement 5. Diaphragm damage (connector hole leakage) Replace the diaphragm 6 (Such as bearing, turbine, worm screw) to replace the damaged parts 7. Motor does not turn to repair or replace the motor 8. Suction pipe is clogged or no liquid to clear the pipe, add chemical liquid pump flow instability Lack of pressure from time to time Ball wear or corrosion, lax closure. Change the ball 2. There are impurities in the liquid enhanced filtration 3. Chemical liquid concentration, viscosity and other changes in the use of state to improve the use of liquid 4. The pressure on the outlet pipe with large fluctuations to ensure that the outlet has a more stable pressure Pumping flow and more 1. At the nameplate pressure, the pump flow Will be a little more, as the pressure decreases, the flow will increase the normal, without exclusion 2. Flow and no change in the amount of change in the outlet pressure is lower than the inlet pressure, resulting in siphon outlet pipe installation back pressure valve to pump less flow 1. Inhalation, less liquid or suction pipe blockage, small diameter add liquid, clear the pipe, increase the diameter of 2. Pipeline leak check, repair 3. Check valve seat in the import and export, valve ball wear, Corrosion replacement 4. Liquid viscosity viscosity, dilution and other lower viscosity 5. Over the nameplate pressure used in the nameplate pressure diaphragm damage 1. Over-pressure use or outlet valve is closed when the pump is operating properly, the prohibition of overpressure use 2. Liquid debris accumulation or sharp scratches, punctures to clear the debris in the liquid 3. Outlet check valve blockage caused by increased pressure within the pump to ensure that check valve unimpeded pressure does not reach the nameplate pressure 1. No flow reference "No flow" troubleshooting 2. Leakage of outlet pipe leaks (such as safety valve, etc.) leak, maintenance pressure gradually increased 1. Due to the accumulation of debris or liquid crystal outlet pipe clogging to clear the export pipeline 2. Pumping Flow greater than the discharge of the flux to ensure discharge and pump flow to adapt Motor coil burned or suffocated 1. Power line problems such as missing phase virtual connection, low voltage check the power supply, line 2. Exit valve closed or pipe plug Use of overpressure is guaranteed at rated pressure 3. The transmission system load is heavy, such as the worm engages tight engagement clearance adjustment motor does not match 1. Power supply voltage, wiring errors, or thermal protection trip check circuit 2 is not reset. Motor fault repair motor noise 1. Overcurrent part of the ball valve closing sound is normal 2. Pipeline vibration amplification amplifier outlet road to install the damper can reduce vibration 3. Eccentric wheel and the adjustment bracket crash sound normal 4. Parts of the damage caused by abnormal sound (such as the worm, keys, bearings, etc.) overhaul 5.Low oil or model does not match the standard by filling the oil tank temperature is high 1 moving parts produce a certain temperature, maintained at 70 ℃ under the normal Need to be excluded 2.Low oil or model does not match according to the standard filling oil 3.Transmission components damaged repair
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