Atlas Copco Oil-Injected Screw Compressor GA 18 VSDs

Replace Smart Temperature Control (STC) valve

NOTE! For compressor elements used on operating pressures below or equal to 10 bar (145 psi), the service can be postponed to 32000 running hours;

Warning: Ensure the compressor is off and in local control before proceeding

In the CAN Troubleshooting menu, is 'Make Inoperative' pressed and confirmed?

Is the compressor off and in local control?

In the inoperative state, are there new menu options to install or remove devices?

Is 'Remove Device' selected and the drain to replace chosen in the drop-down menu?

Is the data cleared from the configuration?

Is the drain removed correctly as per the IO modules menu?

Is the word 'Removed' displayed?

Remove the front service panel with the key delivered with the compressor

Disconnect the RH sensor and remove it from the panel by loosening the bolt

Clean the RH sensor with isopropanol (fast solution) or de-mineralised water and let it dry

Refit and reconnect the RH sensor

Sign off on the sensor cleaning

Remove the air filter element and inspect

Replace damaged or heavily contaminated elements

Check the filter elements of the electric cabinet

Replace filter elements of the electric cabinet if necessary

Keep the coolers clean to maintain their efficiency

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

Cover all parts underneath the cooler

Remove the service plate at the fan compartment

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

Remove dirt from the fan with a fiber brush

Clean with an air jet in the direction of the normal flow

If it is necessary to wash the coolers with a cleaning agent, consult your supplier

Note: After maintenance on the fan and on the coolers, remove the material that was used as cover