Atlas Copco Oil-Injected Rotary Screw Compressor GA-75+

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

Refrigeration dryers of ID type contain refrigerant HFC

When handling refrigerant, all applicable safety precautions must be observed. Please be specifically aware of the following points

Contact of refrigerant with the skin will cause freezing. Special gloves must be worn. If contacted with the skin, the skin should be rinsed with water. On no account may clothing be removed

Fluid refrigerant will also cause freezing of the eyes; always wear safety glasses

Refrigerant is harmful. Do not inhale refrigerant vapours. Check that the working area is adequately ventilated

Be aware that certain components such as the refrigerant compressor and the discharge pipe can become quite hot (up to 110 °C - 230 °F). Therefore, wait until the dryer has cooled down before removing the panels

Before starting any maintenance or repair work, switch off the voltage and close the air inlet and outlet valves;

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

Sign off on the air filter element replacement

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

Check air filter service indicator

Check that condensate is discharged during operation

On water-cooled units: check for cooling water flow