Atlas Copco Oil-Injected Rotary Screw Compressor GA7 FF

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

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

Sign off on the belt tension adjustment

Warning: Never remove the element while the compressor is running

For minimum downtime, replace the dirty element by a new one

Discard the element when damaged

Stop the compressor. Switch off the voltage

Cover of air filter (AF) removed by turning it anti-clockwise

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

Warning: This procedure requires trained personnel with PPE!

Cover all parts under the coolers

Dirt removed from the coolers with a fibre brush?

Never use a wire brush or metal objects

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

Enter the air pressure used for cleaning

Is strainer cleaning necessary?