Atlas Copco Oil Injected Rotary Screw Compressor GA250

Atlas Copco Roto-Xtend Duty Fluid is a high-quality synthetic lubricant for oil-injected scroll and screw compressors which keeps the compressor in excellent condition

Roto-Xtend Duty Fluid can be used for compressors operating at ambient temperatures between 0 ̊C (32 ̊F) and 46 ̊C (115 ̊F)

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

Wait a few minutes and depressurise by unscrewing plug only one turn to permit any pressure in the system to escape

Loosen the vent plugs on top of the oil coolers

Drain the oil by removing the drain plugs

Tighten the plugs after draining

Check that condensate is discharged during loading

Check oil level. Before starting, the level should be in the middle of the sight-glass

Reset the message and service timer

Sign off on the air filter element replacement

WARNING! Stop the compressor and switch off the voltage. The operator must apply all relevant Safety precautions.

Compressor stopped and voltage switched off?

Wait a few minutes and depressurise by unscrewing plug only one turn to permit any pressure in the system to escape.

Use an oil pan to avoid possible oil spillage.

Unscrew oil filters only one turn and wait a few minutes to let the oil of the filter flow back into the oil separator.

Oil filters unscrewed and oil drained?

WARNING! Stop the compressor, press the emergency stop button and switch off the voltage

The operator must apply all relevant Safety precautions

Unscrew bolts and rotate the fan away from the cooler block

Remove any dirt form the coolers with a fibre brush, brush in the direction of the fins

Also remove any dirt from the fans

Clean the coolers 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 clean the coolers with a cleaning agent, consult Atlas Copco