Gardner Denver Screw Air Compressor ECHQJD

Record the pressure drop through the filter

Is the pressure drop 20 inches of water or more?

Is there higher than normal current use by the motor?

Is there a loss of compressor delivery?

Loosen the retaining band clamp

Remove the dust cup from the body of the filter

Is cleaning necessary after visual inspection?

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

Remove the wing bolt and lift off the top and filter element.

Vibrate or blow heavy dirt accumulations from the element.

Was the air blast directed at a slight inward angle and parallel to element pleats?

Is washing the element with a nonsudsing household detergent required?

Wash element with detergent and rinse with clear water if required.

Allow the element to dry before reinstalling.

Does the unit load and unload properly?

Drain the moisture trap in the control system

Is moisture noted in the oil level gauge?

Drain accumulated moisture if noted

Disconnect oil return to compressor tubing at tee near discharge manifold flange on top plate.

Disconnect tubing from tee on top plate to top of discharge manifold at the tee. Loosen nut on fitting at top of manifold and completely withdraw the tubing through the fitting. Loosen nut on fitting on top plate and completely withdraw the tubing through the fitting.

Disconnect all other tubing from discharge manifold.

Disconnect discharge manifold pipe union.

Remove screws holding the top plate to the oil reservoir tower. Lift top plate and the attached second-stage separator from the oil reservoir tower.

Invert top plate and second-stage separator. DO NOT REST THE ASSEMBLY ON THE SEPARATOR. Remove cap screws and washers holding second-stage separator and lift the separator from the top plate.

Lift the first-stage separator from the oil reservoir tower.

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 contamination is present