Atlas Copco Oil-Injected Rotary Screw Compressor GA45+FF

Check coolers. Clean if necessary

Remove the air filter element and inspect. If necessary, clean using an air jet. Replace damaged or heavily contaminated elements

Check the filter element of the electric cabinet. Replace if necessary

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

Compressor stopped and voltage switched off

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

Old air filter element discarded

New element fitted and cover replaced

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

Air filter service warning reset

Sign off on the air filter element replacement

Replace the filter element of the electric cabinet

Open the manual drain valve (Dm) to clean the filter of the automatic drain

Test the temperature shut-down function

On water-cooled units: check for possible water leakage

Warning: Depressurise the compressor before removing the valve

Safety valve unscrewed one or two turns and retightened

Compressor depressurised before valve removal

Safety valve tested on a separate air line

Safety valve opens at the set pressure stamped on the valve

Warning: No adjustments are allowed. Never run the compressor without safety valve

Sign off on the safety valve testing