Atlas Copco Stationary Air Compressor GX15

Warning: Only trained personnel should perform this procedure.

Stop the compressor, close the air outlet valve and switch off the voltage.

Loosen the tension of the belts by screwing bolt.

Replace the belts and then tension them by screwing bolt. Rotate the belts a few times by hand to equalize the belt tension.

The tension is correct if the deflection is 5 mm when exerting a force between 20 and 25 N on the belt midway between the pulleys.

Adjust the position of the sealing plate if necessary.

Check the belt tension after 50 running hours.

Stop the compressor, close the air outlet valve and switch off the voltage

Remove the filter cover and the filter element

Fit the new element and the cover

Describe the location and severity of any leaks found

Inspect condensate trap; clean float valve if necessary

Is a service indicator installed on DD/PD filter?

Check service indicator on DD/PD filter; replace filters if necessary

Sign off on the 3 monthly air compressor check

ATTENTION: Never mix oil of different brands or types.

Run the compressor until warm. Stop the compressor, close the air outlet valve, switch off the voltage and depressurize by unscrewing filler plug one turn to permit any pressure in the system to escape. Depressurize the air receiver by opening drain valve.

Drain the oil by opening drain valve. Close the valve after draining. Deliver the oil to the local oil collection service.

Remove oil filter and separator. Clean the seats on the manifold. Oil the gaskets of the new filter and separator and screw them into place. Tighten firmly by hand.

Fill oil separator/tank with oil until the level reaches the middle of sight-glass. Take care that no dirt drops into the system. Fit and tighten plug. Close drain valve of the air receiver.

Run the compressor for a few minutes. Stop the compressor and wait a few minutes to allow the oil to settle. Depressurize the system by unscrewing filler plug one turn to permit any pressure in the system to escape. Depressurize the air receiver by opening drain valve. Fill the separator/ tank with oil until the sight-glass is 3/4 full. Tighten plug and close drain valve of the air receiver.

Sign off on the oil filter and oil separator replacement

Operation of electrical interlockings, motor breakers, etc. tested

Temperature shut-down switch tested