Atlas Copco Oil-Injected Rotary Screw Compressor GA 11 VSD MED

Check coolers, clean if necessary

Remove the air filter element. Clean using an air jet and inspect. Replace damaged or heavily contaminated elements

Check the filter element of the electric cabinet (where applicable). Replace if necessary

Test temperature shut-down function every 1 Year

WARNING! The operator must apply all relevant Safety precautions

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

Wait a few minutes and depressurise by unscrewing oil filler plug (FC) just one turn to permit any pressure in the system to escape.

Wait 5 minutes and remove the oil separator (OS).

Clean the seat on the manifold.

Oil the gasket of the new separator and screw it into place. Tighten firmly by hand.

Sign off on the oil separator replacement

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. Stop the compressor. Close the air outlet valve and switch off the voltage

Depressurise the compressor by opening manual drain valve(s) (Dm, Dm1). Wait a few minutes and depressurise the air receiver/oil tank (OT) by unscrewing oil filler plug (FC) just one turn to permit any pressure in the system to escape

Drain the oil by opening valve (OD)

Collect the oil and deliver it to the local collection service. Refit and tighten the drain and vent plugs after draining

Remove the oil filter (OF). Clean the seat on the manifold. Oil the gasket of the new filter and screw it into place. Tighten firmly by hand

Check that condensate is discharged during loaded operation

Check air filter service indicator

Check the service indicator on the DDx and PDx filters (if provided)

Replace the filter element of the electric cabinet (where applicable)

On Pack compressors: remove, dismantle and clean float valve of condensate trap

Replace V-belts every 8000 Hours

Have air inlet valve and minimum pressure valve inspected by Atlas Copco every 8000 Hours

Sign off on the compressor maintenance