Atlas Copco Oil-Injected Rotary Screw Compressor GA15 VSD+ FF

Warning: This procedure requires trained personnel with PPE!

Select the ambient temperature range

Select the element outlet temperature range

Based on the selected temperature ranges, follow the appropriate exchange interval

Was the Roto-Inject Fluid successfully replaced?

Sign off on the Roto-Inject 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

Warning: Ensure the compressor is stopped and voltage is switched off before proceeding.

Compressor stopped and voltage switched off?

Remove the cover of the air filter (AF) by turning it anti clockwise.

Fit the new element and the cover.

Reset the air filter service warning.

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?