Atlas Copco Oil-injected Rotary Screw Compressor G18FF

Warning: Ensure the compressor is stopped and the voltage is switched off before starting the procedure

Compressor stopped and air outlet valve closed

Front door, internal panel, top cover and pulley protection removed

Belt tension adjusted by turning tensioning nut

Enter the force and deflection values

Values measured are as indicated on the sticker on the frame

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

Total running hours of the belt

The values to be measured are indicated with a sticker on the frame

Warning: Always use appropriate safety gear while cleaning the oil cooler.

Oil cooler clean before procedure?

If oil cooler is not clean, proceed with the following steps.

Dirt removed from oil cooler with a fibre brush?

Did you use a wire brush or metal objects?

If you used a wire brush or metal objects, report to the supervisor immediately.

Sign off on the oil cooler cleaning

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

Depressurize the air receiver by opening drain valve

Depressurize the compressor by unscrewing filler plug one turn to permit any pressure in the system to escape. Remove the plug after the system is depressurized

Wait 5 minutes for the foam in the oil collector to disappear

Check the oil level through the sight-glass. If the oil level is lower than the minimum level, add oil until the maximum level is reached

Never mix oils of different brands or types. A label, indicating the type of oil filled ex-factory, is attached on the air receiver/oil tank

Before carrying out any operation on the machine, ensure that the electric power supply has been disconnected and that the machine has been depressurized

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

Depressurise the compressor by unscrewing filler plug one turn to permit any pressure in the system to escape

Remove the plug after the system is depressurised

Depressurise the air receiver by opening drain valve

Remove plug, drain the oil by opening drain valve

Close the valve and refit the plug after draining

Deliver the drained oil to the local oil collection service

Remove oil filter and separator