Conversion Information

Converting From Hydraulic Oil to NØIL®

Recommended Supplies:

  • Rags or paper towels
  • Small pump
  • 55 gallon drum
  • 6 gallon pails
  • Wet/dry vacuum
  • 60 mesh inlet strainer
  • 10 micron filter element


  1. Drain or pump out of fill hole as low as possible into 55 gallon drum, or lift cover plate.
  2. Finish draining through clean-out plug.
  3. Install 60 mesh strainer.
  4. Change out return filter with 10 micron filter element.
  5. Disconnect return line and drain into 55 gallon drum.
  6. Fill tank with NØIL to top of sight gauge.
  7. Start system and watch return line until all hydraulic oil is purged from system.
  8. Shut down system and reconnect return line.
  9. Refill tank to top of sight gauge.
  10. Start system and check all motors, pumps and fittings for leaks.
  11. Keep an eye on fluid and skim off any hydraulic oil that rises to the top of NØIL in tank.

Maintenance Tips:

  1. Maintain NØIL to top of sight gauge.
  2. Regularly check PH of NØIL; maintain between 8 and 10.
  3. If NØIL PH gets below 8 or greater than 10, replace NØIL in system and tank.
  4. Recommended operating temperature not to exceed 120°. Keeping your tank full or a larger tank will help maintain proper temperature.