Keyword: troubleshooting rotary vane vacuum pump problem
3. Oil leakage
Oil leakage is a very common fault of mechanical vacuum pumps. It occurs mainly in the areas of oil sight glass, gasket of oil tank and motor shaft seal. The most common cause is the ageing of these components. Other possible reasons for oil leakage include worn-out seals, damaged gaskets, or poor assembly.
To solve the problem of oil leakage in mechanical vacuum pumps, it is necessary to replace the oil sight glass, oil tank gasket and/or shaft seal. Besides, you may consider replacing worn-out seals or damaged gaskets. You can also check if the screws are pressed and tightened evenly during assembly to avoid uneven force that can cause oil leakage.
Regular maintenance of your vacuum pump can help prevent oil leakage and other problems. You should also check your system for leaks if you notice frothy or milky oil when checking your vacuum pump.
When the maintenance is completed, flush the pump chamber with pump oil before filling, and clean the filter at the oil filling port with solvent to keep the oil tank clean.
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