Rotary Vane Vacuum Pump Troubleshooting: Loud Running Noise


  • The oil level is too low

  • The exhaust filter is blocked

  • The elastic block of the coupling is worn out

  • The vane or pump body has peculiar smell and often wears out



  • Add oil

  • Replace the exhaust filter

  • Exchange the elastic block of the coupling

  • Replace the worn out parts


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