Atlas Copco Stationary Air Compressor GA18 VSD 400V

Close the air outlet valve and let the compressor run at minimum speed for 3 minutes.

Stop the compressor, press the emergency stop button and open manual drain valves.

Wait until the compressor has depressurized.

Unscrew oil filler plug only one turn to permit any pressure in the system to escape.

Remove vent plug, wait 5 minutes, remove drain plug (2-Fig. 3.4) of the check valve/oil stop valve.

Clean the filter seat on the manifold. Oil the gasket of the new element. Screw the element into place and tighten it firmly by hand.

Tighten the plug in the check valve/oil stop valve.

Warning: This maintenance check requires trained personnel with PPE!

If mineral oil is used, change oil and oil filter every 1000 Hours

Float valve of condensate trap cleaned?

Blow-off solenoid valve (Y1) checked after stopping and pressing the emergency stop button?

Warning: Only trained personnel should perform this test

Safety valve operational after unscrewing and retightening the cap?

Enter the pressure at which the valve opened

If the valve did not open at the specified pressure, consult Atlas Copco. No adjustments are allowed.

Sign off on the safety valve test

Warning: Always wear protective gear while cleaning the coolers.

If not, proceed with the following steps.

If not, remove the side panels.

Is the dirt removed from the coolers with a fibre brush?

Never use a wire brush or metal objects.

Is the cooler cleaned by air jet in reverse direction of normal flow?

Check that condensate is discharged during operation

Check air filter service indicator

Check coolers and condenser of dryer; clean if necessary every 3 Month

Remove and inspect air filter element (AF) every 3 Month;