Atlas Copco GA 75+

Procedure
Step Action
- Press stop button (9). Automatic operation LED (8) goes out and the compressor stops after 30
seconds of unloaded operation.
- To stop the compressor in the event of an emergency, press emergency stop button (10).
Alarm LED flashes (7).
On compressors with an Elektronikon® controller: remedy the problem cause, unlock the button
by pulling it out and press the Escape button (5) to reset.
On compressors with an Elektronikon® Graphic controller:
•
Remedy the problem cause and unlock the button by pulling it out.
•
Navigate to the Stop icon on the display by means of the navigation keys (3/4) and press the
Select key.
Press Reset.
Do not use emergency stop button (10) for normal stopping!
- Close the air outlet valve.
- Press the test button on top of the electronic water drain(s) (if supplied) to the depressurize the
piping between air receiver and outlet valve, next open the manual drain valve (Dm). See section
Condensate system.
Switch off the voltage.
- On water-cooled compressors:
•
Close the cooling water inlet valve.
•
If freezing temperatures can be expected, drain the cooling system completely.
8.7 Taking out of operation
Warning
The operator must apply all relevant Safety precautions.
Procedure
Step Action
- Stop the compressor and close the air outlet valve.
- Open the manual drain valve.
- Switch off the voltage and disconnect the compressor from the mains.
- Unscrew the oil filler plug only one turn to permit any pressure in the system to escape.
Consult section Oil and oil filter change to locate the filler plug.
- Shut off and depressurise the part of the air net which is connected to the outlet valve. Disconnect
the compressor air outlet pipe from the air net.
- On water-cooled compressors:
•
Isolate and disconnect the water system from the cooling water net.
•
Drain the water circuit.
- Drain the oil.
- Drain the condensate circuit and disconnect the condensate piping from the condensate net.
Instruction book
2920 7109 60 171