Atlas Copco Oil-Injected Rotary Screw Compressor GA18VSD+

Compressor stopped and air outlet valve closed?

All parts under the coolers covered?

Service plate at the fan compartment removed?

Dirt removed from the coolers with a fibre brush?

Dirt removed from the fan with a fibre brush?

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

Replace the filter elements of the electric cabinet

Replace the non return valve of the scavenge line and blow out the restriction nozzle

Replace the minimum pressure valve, and replace the thermostatic valve. Remove carefully

Replace the electronic drain valve

Check for possible air and oil leakages

Sign off on the compressor maintenance

Warning: This procedure requires trained personnel with PPE!

Enter the element outlet temperature

Select the exchange interval based on the temperatures

Was the Roto-Foodgrade Fluid successfully replaced?

Sign off on the fluid replacement

Check condition of the air intake hose between air filter and compressor element

Check operation of cooling fans of converter

Check blow-off solenoid valve after stopping and pressing the emergency stop button

WARNING! The operator must apply all relevant Safety precautions

Always drain the compressor oil at all drain points. Used oil left in the compressor can contaminate the oil system and can shorten the lifetime of the new oil

Never mix lubricants of different brands or types as they may not be compatible and the oil mix will have inferior properties. A label, indicating the type of oil filled ex-factory, is stuck on the air receiver/oil tank

Run the compressor until warm and stop the compressor

Close the air outlet valve and switch off the voltage

Wait 3 minutes for the compressor to depressurise the vessel

Open the condensate drain valve to depressurise the cooler. (see condensate system) and close again

Unscrew the oil filler plug (FC) just one turn to permit any remaining pressure in the system to escape

Cover the duct of the heat sink on the electric cabinet