Atlas Copco Oil-Injected Rotary Screw Compressor GA90FF

Instructions for air-cooled compressors

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

Cover all parts under the coolers

Remove the service plates at the fan compartment

Remove any dirt from the coolers with a fibre brush. Brush in the direction of the cooling fins

Also remove any dirt from the fan with a fibre brush

Next, clean with an air jet in the reverse direction to normal flow. Use low pressure air. If necessary, the pressure may be increased up to 6 bar(e) (87 psig)

If it is necessary to wash the coolers with a cleaning agent, consult Atlas Copco

Remove the cover used during cleaning

Warning: Always use genuine Atlas Copco parts for maintenance.

Electronic water drain(s) replaced?

Select the type of service kit used

Note: Service kits comprise all parts required for servicing the component.

All parts from the service kit used?

Select the type of lubricant used

Condensate discharged when pressing the test button on top of the electronic water drain?

On compressors with integrated dryer: Stop the compressor, close the air outlet valve and switch off the voltage.

Any dirt removed from the condenser inlet with a vacuum cleaner?

Cleaned with an air jet in the reverse direction of the normal flow?

Use low pressure air. Keep the compressed air nozzle more than 30 cm away from the condenser to avoid damaging the of condenser fins.

Dust removed from inside the dryer, e.g. with a vacuum cleaner?

Do not use water or solvents to clean the condenser.

Sign off on the monthly maintenance

Compressor stopped and voltage switched off

Snap clips of air filter (AF) released and cover removed

Old air filter element discarded

Service indicator (VI) reset by pushing the knob in the extremity of the body

Air filter service warning reset

Is the outside of the electric motor clean for efficient cooling?

If necessary, remove dust with a brush and/or compressed air jet

The bearing at the non-drive end side is greased for life

The bearing at the drive end side is lubricated by the oil system

Sign off on the bearing maintenance