Gardner Denver Screw Air Compressor ECHSJCF

Check if the outside surface of the filter element is evenly coated with dirt.

Lift off the top and filter element.

Vibrate or blow heavy dirt accumulations from the element.

Direct air blast at a slight inward angle and parallel to element pleats.

Is washing required for the filter element?

Air and Oil Discharge Temperature

Compressor Oil Inlet Temperature

Oil Cooler Oil Pressure Differential (Air-Cooled Radiator)

Oil Cooler Oil Pressure Differential (Water-Cooled Heat Exchanger)

Oil Cooler Water Pressure Differential (Water-Cooled Heat Exchanger)

Temperature Differential Checks

Disconnect the unit from the power supply

Remove the relief plug and free the hole of hardened grease

Wipe the lubrication fitting clean

Add grease with a hand-operated grease gun

Leave the relief plug temporarily off

Record the pressure drop through the filter

Is the pressure drop at or above 20 inches of water?

Is the motor using higher than normal current or is there a loss of compressor delivery?

Loosen the retaining band clamp

Remove the dust cup from the body of the filter

Visually inspect the element in place. Is cleaning necessary?

Stop unit and ensure no air pressure is in the oil reservoir

Wipe away all dirt before removing the oil filler plug

Select the method for draining the oil system

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

Flush the entire system reservoir, oil cooler, mixing valve, and lines if contaminated