Atlas Copco Oil-Injected Rotary Screw Compressor GA11VSD+

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

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

Sign off on the compressor check

Check coolers, clean if necessary

Remove the air filter element and inspect. Replace damaged or heavily contaminated elements

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

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

Compressor stopped and air outlet valve closed

Upload a photo of the condenser inlet before cleaning

Dirt removed from the condenser inlet with a vacuum cleaner

Condenser cleaned with an air jet in the reverse direction to normal flow using low pressure air

Distance of the compressed air nozzle from the condenser (should be more than 30 cm)

Upload a photo of the inside of the dryer before dust removal

Dust removed from inside the dryer with a vacuum cleaner