Atlas Copco Oil-Injected Rotary Screw Compressor GA37+55

Is the outside of the electric motor clean for efficient cooling?

If necessary, remove dust with a brush and/or compressed air jet

The bearing at the non-drive end side is greased for life

The bearing at the drive end side is lubricated by the oil system

Sign off on the bearing maintenance

Instructions for air-cooled compressors

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

Cover all parts under the coolers

Remove the service plates at the fan compartment

Remove any dirt from the coolers with a fibre brush. Brush in the direction of the cooling fins

Also remove any dirt from the fan with a fibre brush

Next, clean with an air jet in the reverse direction to normal flow. Use low pressure air. If necessary, the pressure may be increased up to 6 bar(e) (87 psig)

If it is necessary to wash the coolers with a cleaning agent, consult Atlas Copco

Remove the cover used during cleaning

Is Atlas Copco Roto-Xtend Duty Fluid used?

Note: The oil separator element must also be replaced when the pressure drop over it exceeds 1 bar (14.5 psi).

Enter the pressure drop while the compressor is running loaded and preferably with a stable working pressure.

Is pressure difference monitoring available?

Any visible damage or corrosion on the oil separator vessel?

Enter the wall thickness of the oil separator vessel.

Sign off on the 8000 Hourly Oil-Injected Rotary Screw Compressor Maintenance

Replace the filter element of the electric cabinet

Open the manual drain valve (Dm) to clean the filter of the automatic drain

Test the temperature shut-down function

On water-cooled units: check for possible water leakage

Warning: Ensure the compressor is stopped and voltage is switched off before starting the procedure

Compressor stopped and voltage switched off

Snap clips of air filter released and cover removed

Upload a photo of the removed air filter element

Old air filter element discarded

Service indicator reset by pushing the knob in the extremity of the body

Air filter service warning reset

Sign off on the air filter element replacement