Atlas Copco Oil-Injected Rotary Screw Compressor G7FF

Remove any dirt from the air cooler (Ca)

Avoid using a wire brush or metal objects

Sign off on the air cooler cleaning

For Full-Feature versions: inspect the condenser of the dryer; clean if necessary

Have the operation of sensors, electrical interlockings and components checked

Have the temperature shut-down switch tested. Inspect the air receiver

The air receiver must no longer be used and must be replaced if the wall thickness is less than the minimum value, specified in the technical documentation of the air receiver;

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

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

After stopping, drain the condensate from the air receiver

For condensate draining use manual drain valve

Sign off on the daily inspection