Atlas Copco Screw Compressor GA30 VSD ff

Did you apply all relevant safety precautions, including those mentioned in this book?

Before starting any maintenance or repairs:

For GA Workplace/Workplace FF, did you press stop button (1-Fig. 3.5); Wait until the compressor has stopped (approx. 30 seconds); Press emergency stop button (S3-Fig. 3.4) and switch off the voltage?

For Pack/Pack FF, did you press stop button (1-Fig. 3.7); Wait until the compressor has stopped (approx. 30 seconds); Press emergency stop button (S3-Fig. 3.6) and switch off the voltage?

Did you close air outlet valve (1-Figs. 3.4/3.6) and depressurize by opening plug (5-Fig. 3.3) one turn and by opening valve (1-Fig. 3.2) (not provided on GA Pack)?

Did you lock the air outlet valve (1-Figs. 3.4/3.6) during maintenance or repair as follows: Close the valve, Remove the bolt fixing the handle, Lift the handle and turn it until the slot of the handle fits over the blocking edge on the valve body, Lock the handle using the special bolt and wrench delivered loose with the compressor?

Did you check coolers and condenser of dryer; clean if necessary?

Attention: Apply all relevant safety precautions, including those mentioned in this book.

Press stop button (1-Fig. 3.5 for GA Workplace/Workplace FF, 1-Fig. 3.7 for Pack/Pack FF)

Wait until the compressor has stopped (approx. 30 seconds)

Press emergency stop button (S3-Fig. 3.4 for GA Workplace/Workplace FF, S3-Fig. 3.6 for Pack/Pack FF) and switch off the voltage

Close air outlet valve (1-Figs. 3.4/3.6)

Depressurize by opening plug (5-Fig. 3.3) one turn and by opening valve (1-Fig. 3.2) (not provided on GA Pack)

Lock the air outlet valve (1-Figs. 3.4/3.6) during maintenance or repair

Sign off on the oil separator replacement

Check that condensate is discharged during loading

Check air filter service indicator

1. Run the compressor until warm; Stop it and close the outlet valve (1-Figs. 3.4/3.6); Wait a few minutes; Depressurize the oil system by opening oil filler plug (5) one turn to permit any pressure to escape

2. Remove plug (4-Fig. 1.5); Drain the oil by unscrewing plug (6); Collect the oil in a collector and deliver it to the local oil collection service; Reinstall the plugs

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

5. Remove filler plug (5) and fill with oil until the level reaches the plug; Reinstall and tighten plug (5)

6. Run the compressor for a few minutes; Stop the compressor and wait a few minutes to allow the oil to settle; Depressurize the system by unscrewing filler plug (5) one turn to permit any pressure in the system to escape; Fill the receiver with oil until the level reaches the filler plug; Tighten plug (5)

7. Reset the service warning; Consult the User manual for Elektronikon I and II regulators: Part 1, section 7 for Elektronikon I or Part 2, section 15 for Elektronikon II

Recommended oil: Atlas Copco Roto-injectfluid; The normal change interval for Roto-injectfluid is 4000 hours; If the compressor runs at unfavourable conditions (polluted air, element outlet temperature continuously above 100°C or below condensation limit), change the oil more often; A yearly oil and oil filter change may be necessary; In this case, also reset the timer yearly (Service plan A); Consult Atlas Copco if in any doubt

Attention: Apply all relevant safety precautions, including those mentioned in this book.

Check pressure and temperature readings

- Any leakage should be attended to immediately; Damaged flexibles or flexible joints must be replaced

1. Stop the compressor. Remove the air filter cover by turning it anti-clockwise. Remove the air filter element. Discard damaged elements.

2. If necessary, clean the cover. Fit the new element and the cover.

3. Reset service indicator (3-Fig. 3.3) by pushing the knob in the extremity of the body.

4. Reset the service warning. Consult the User manual for Elektronikon I and II regulators: Part 1, section 7 for Elektronikon I or Part 2, section 15 for Elektronikon II.