Atlas Copco Oil-Injected Rotary Screw Compressor GA11VSD-FF

WARNING! The operator must apply all relevant Safety precautions

Run the compressor until warm. 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

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

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

Compressor stopped and air outlet valve closed

Front panel and right panel removed

Enter the force F needed to create a deflection of 5 mm (0.2 in)

Sign off on the belt tensioning and replacement

Cover all parts under the coolers?

Remove any dirt from the coolers with a fibre brush?

Never use a wire brush or metal objects

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

Enter the air pressure used for cleaning

Use low pressure air. If necessary, the pressure may be increased up to 6 bar(e) (87 psig)