Air Compressor Oil Leak: Causes and Fixes

Oil leaks waste lubricant, create safety hazards and indicate developing problems. Most leaks come from a few common points that are easy to check.

Common Leak Points

  • Hose fittings and connectors.
  • Separator and filter housing seals.
  • Drain valves and the oil filler cap.

Causes

  • Loose fittings or hardened seals.
  • Overfilled oil level.
  • Excessive system pressure or a blocked breather.

Fixes

  • Tighten fittings and replace worn seals.
  • Correct the oil level.
  • Check the breather and relief valve operation.

Is a small oil leak serious?

Yes. Even small leaks worsen, waste oil and attract dirt. Fix them early.

Talk to an Engineer

Contact Panrui with your flow, pressure and air quality requirements to get a recommendation and factory quote for your project.