Atlas Copco Oil-Injected Rotary Screw Compressor GA7

Compressor stopped, air outlet valve closed and voltage switched off?

Front panel and right panel removed?

Belt tension adjusted by turning nuts?

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

Sign off on the belt tension adjustment

Select the type of Atlas Copco Fluid used

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

Depressurised the compressor by opening manual drain valve(s)?

Depressurised the air receiver/oil tank by unscrewing oil filler plug just one turn?

Drained the oil by opening valve?

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

Removed the oil filter and cleaned the seat on the manifold?

Oiled the gasket of the new filter and screwed it into place?

Inspect condenser of dryer and clean if necessary

Press the test button on top of the electronic water drain (EWD)

Open the manual drain valve(s) (Dm, Dm1) to clean the filter inside the EWD

Sign off on the monthly inspection

WARNING! No adjustments are allowed. Never run the compressor without safety valve. Before removing the valve, depressurise the compressor.

Valve (SV) opens at the set pressure stamped on the valve

Valve (SV1) opens at the set pressure stamped on the valve

Test temperature shut-down function

Sign off on the safety valve testing

Check coolers, clean if necessary

On Full-Feature units: check condenser of dryer and clean if necessary

Remove the air filter element and inspect. If necessary, clean using an air jet. Replace damaged or heavily contaminated elements

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