What to do if oil leaks from my Ulvac VD30C Water Pump?
If oil is leaking from your Ulvac Water Pump, it could be due to: * Deterioration of the O-ring and/or oil seal of the case and cover. In this case, conduct an overhaul. * A loose oil inlet or drain port. Try tightening the oil inlet and re-tightening the drain port.
What causes abnormal motor current in my Ulvac VD30C Water Pump?
An abnormal motor current value in your Ulvac Water Pump can be attributed to: * Foreign substances inside the pump impairing motor rotation. Conduct an overhaul to remove these substances. * Leaks in the pipe connecting with the pump. Use a leak detector to locate and fix the leak. * Abnormal sliding of the rotor and/or vane. Conduct an overhaul. * Continuous operation under high suction pressure. Adjust the pressure.
Why is there so much oil mist blowing out of the exhaust outlet of my Ulvac Water Pump?
Excessive oil mist blowing out of the exhaust outlet of your Ulvac Water Pump may be due to: * The pump being filled with oil beyond the specified volume. Drain the oil until it reaches the correct level. * Continuous operation under high suction pressure. Install an oil mist trap on the exhaust side. * A clogged oil mist trap. Replace the oil mist trap.
Why has the vacuum degree of my Ulvac Water Pump decreased?
A decrease in the vacuum degree of your Ulvac Water Pump, despite initial satisfactory performance, is likely due to dirty oil. This can be caused by water, dust, solvent vapor, or other foreign substances being suctioned into the pump. Replace the oil and conduct an overhaul, including internal cleaning. Consider adding traps or filters to the pump's front stage to prevent further contamination.
What to do if my Ulvac Water Pump does not run?
If your Ulvac Water Pump isn't running, there are several potential causes: * The pump might not be connected to the power supply, or the power switch might not be turned on. Ensure the pump is properly connected and the switch is on. * The motor connection could be incorrect. Check the motor connection. * The safety circuit might not be correctly set. Ensure the safety circuit conforms to the motor specifications. * The oil viscosity might be too high, or there may be foreign substances inside the pump. In such cases, change the oil or conduct an overhaul, respectively. * Check the power supply to ensure all three phases are normal and there isn't an abnormal phase voltage. * Inspect the safety circuit (MS and MCCB) for trips or component failures; correct any trips, reset, o...
Why is my Ulvac VD30C Water Pump making unusual sounds?
Unusual sounds from your Ulvac Water Pump can stem from several issues: * The motor rotation direction might be reversed; correct the connection to ensure proper rotation. * The oil supply might be insufficient; control the oil level and supply the specified volume. A pump part replacement overhaul may be needed. * Foreign matter could have entered the pump; conduct an overhaul to clean the pump. * The cooling fan might be touching something; check the cooling fan mount and correct the error. * The oil might not be circulating due to a clogged oil pit or a faulty oil distributor valve; conduct an overhaul to clean the oil pit or repair the oil distributor valve. * The vanes might not be moving due to stuck substances; conduct an overhaul and wash out the substances. * Compon...
Why is my Ulvac VD30C Water Pump overheating?
Abnormal heating in your Ulvac Water Pump can be caused by: * Continuous operation under high suction pressure. Note that the pump surface temperature may rise to around 100 degrees Celsius during such operation. * Insufficient oil supply. Ensure you control the oil level and supply the specified volume. * Dirty oil. Replace the oil with new oil and conduct an overhaul, including internal cleaning. * Hot suction gas. Install a cooling device, such as a gas cooler, on the suction side. * An enclosed area around the pump. Ensure adequate ventilation. * High ambient temperature. Use the pump in an air-conditioned environment. * A leak in the pipe connecting with the pump. Use a leak detector to find and fix the leak. * The oil is not circulating due to a clogged oil pit or a ...
Why isn't the pressure declining and the pumping speed slow on my Ulvac Water Pump?
If your Ulvac Water Pump's pressure isn't declining and the pumping speed is slow, consider these factors: * The pump's exhaust capacity might be too small for the vacuum chamber capacity. Select a different pump type. * The pressure measurement method or vacuum gauge might be incorrect. Ensure you're measuring the pressure correctly with an appropriate and calibrated vacuum gauge. * The pipe connected to the suction inlet might be too thin or too long. Use a wider pipe and shorten the connection distance. * The metal mesh at the inlet might be clogged; remove the pipe and wash the mesh. * Insufficient oil supply. Control the oil level and supply the specified volume. A pump part replacement overhaul may be needed. * Dirty oil. Replace with new oil and conduct an overhaul, inc...
General| Brand | Ulvac |
|---|---|
| Model | VD30C |
| Category | Water Pump |
| Language | English |
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