Gardner Denver Air Cooled Compressor EDMQOB

Change the compressor lubricant. Under adverse conditions, change more frequently.

Upgrading to a Longer Life Lubricant

Fill the system with a 50 percent charge of the new lubricant.

Start the machine and observe operation.

Allow the machine to run about five minutes at temperature, or until temperature stabilizes, then shut down.

Check for dirt accumulation on the following components

Is cleaning required for any of the components?

Clean the exterior fin surfaces of the cores by blowing compressed air with a nonflammable safety solvent in the opposite direction of the cooling fan air flow

Check for 'CHANGE AIR FILTER' message display

Inspect the filter element for cleaning necessity

Remove the wingnut and pull out the filter element

Soak the element in warm water with mild nonsudsing detergent for 15 minutes

Rinse the element thoroughly with clean water (max 40 psig/2.8 Bars)

Inspect the element for ruptures or cracks in the pleated media

Inspect the gasket on the bottom of the element for damage

Stand clear of the discharge port

Enter the system operating pressure

Enter the relief valve set pressure

Is the system operating pressure at 75% of the relief valve set pressure?

Manually open the relief valve with the hand lever and check for proper operation

Select the method used to drain the system

Was the oil drained when hot to prevent varnish deposits?

Is the drained oil and/or oil filter element contaminated with dirt?

Flush the following components if contamination is found

Inspect the oil separator elements for dirt accumulation and replace if necessary.

Contact the factory for recommendations if varnish deposits exist.