Gardner Denver Air Cooled Compressor EDPQPB

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

Select the method used to drain the oil 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 present

Inspect the oil separator elements for dirt accumulation

Replace oil separator elements if necessary

Check if 'CHANGE AIR FILTER' message is displayed.

Is cleaning necessary based on visual inspection?

Remove the wingnut and pull out the filter element.

Is cleaning necessary after visual inspection?

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

Rinse the element thoroughly with clean water, ensuring water pressure does not exceed 40 psig (2.8 Bars).

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 valve with the hand lever and check for proper operation

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

Upgrading to a Longer Life Lubricant

Thoroughly drain system: Drain oil from air end and cooler while hot.

Break low point connections and drain oil from pipe runs.

Dump oil from the filter and reinstall used filter.

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