Leybold Vacuum Pump RUVAC WA 1001 EU

5.4 Cleaning the Fan Cowl and the Cooling Fins

Ensure all safety precautions from Section 5.1 are followed

Remove the dirt trap from the intake flange

Rinse the dirt trap using a suitable solvent

Thoroughly dry the dirt trap with compressed air

Replace the dirt trap if damaged

5.6 Cleaning the Pumping Chamber

Ensure all safety precautions from Section 5.1 are observed

Remove the two connecting lines

Choose method to remove contaminants

During cleaning, were the impellers turned only by hand?

Ensure loosened deposits do not remain in the pump

Check the pump by slowly turning the impellers by hand to ensure they move freely and without resistance

Was the Roots pump disassembled?

5.7 Cleaning the Valve of the Pressure Balance Line

Observe all safety information provided in Section 5.1

Remove the screws and take off the cover (12/1) with O-ring (12/2)

Remove the valve disk (12/6) with O-rings (12/5) and (12/7)

Check if the bushing (12/3) is damaged and replace if necessary

Clean all parts or replace them if necessary

Reassemble in the reverse sequence

Check the O-rings for leak-tightness and replace if found faulty

5.3 Oil change/shaft seal housing

Observe all safety information provided in Section 5.1

Unscrew the oil-drain screw (10/3) under the shaft seal housing

Screw in the oil-drain screw using a gasket in perfect condition

Fill in fresh oil at the oiler (10/1)

Is the oil level for the shaft seal housing visible in the oiler?

Select the current state of the pump