Atlas Copco Oil-Injected Rotary Screw Compressor GA5S

Is strainer cleaning necessary?

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

Refrigeration dryers of ID type contain refrigerant HFC

When handling refrigerant, all applicable safety precautions must be observed. Please be specifically aware of the following points

Contact of refrigerant with the skin will cause freezing. Special gloves must be worn. If contacted with the skin, the skin should be rinsed with water. On no account may clothing be removed

Fluid refrigerant will also cause freezing of the eyes; always wear safety glasses

Refrigerant is harmful. Do not inhale refrigerant vapours. Check that the working area is adequately ventilated

Be aware that certain components such as the refrigerant compressor and the discharge pipe can become quite hot (up to 110 °C - 230 °F). Therefore, wait until the dryer has cooled down before removing the panels

Before starting any maintenance or repair work, switch off the voltage and close the air inlet and outlet valves;

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

Remove the front panel and the right panel

Adjust the belt tension by turning nuts

The tension is correct when the force F needed to create a deflection of 5 mm (0.2 in) corresponds to the data in the table above

Sign off on the belt tension adjustment

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