Instruction book
90 6996 0227 40
6.6 Coolers
General
Keep the coolers clean to maintain their efficiency.
Procedure
Stop the vacuum pump, close the air inlet valve and switch off the voltage.
Cover all parts under the coolers.
Remove the service plate (1) at the fan compartment.
Remove dirt from the coolers with a fibre brush. Brush in the direction of the cooling fins.
Clean with an air jet in the reverse direction to normal flow.
If it is necessary to wash the coolers with a cleaning agent, consult Atlas Copco.
After maintenance on the fan and on the coolers:
Remove the loose parts that are used as cover.
Mount the service plate (1) at the fan compartment.
6.7 Oil separator change
Warning
The operator must apply all relevant Safety precautions.
Procedure
Stop the vacuum pump, close the air inlet valve and switch off the voltage.
Wait a few moments for the vacuum pump to vent the vessel.
Open the service panel in the roof.
Unscrew the bolts of the cover (1) of the oil separator tank.
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