Leybold Vacuum Pump RUVAC WAU 2001 EU

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 it is damaged

Check the oil level and condition in the oil level glass and oiler

Correct oil level and condition as required

If the oil is dark, note potential early ageing due to high temperatures

Check oil level at vertical flow (center of oil-level glass when pump is not running)

Check oil level at horizontal flow (6 mm above center of oil-level glass)

Ensure oil level is not too low or too high to avoid lubrication issues

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

Pull out and replace the bushing (12/3) if damaged

Clean all parts or replace them if necessary

Reassemble in the reverse sequence

Ensure all safety precautions are observed

Use the oil-drain facility for safety and simplicity

Unscrew the oil-drain screws (11/2) or (11/1) and the oil-fill screw (11/4) to drain the oil

Clean the sealing surface and reinstall the oil-drain screw using a gasket in perfect condition

Wipe off any oil residues from the casing

Consult Sections 1.3 and 1.4 for oil quantities and ordering data

Ensure correct oil type is used

5.6 Cleaning the Pumping Chamber

Observe all safety information provided in Section 5.1

Remove the two connecting lines

Blow out contaminants with dry compressed air or flush out with a suitable solvent

Remove remaining contaminants with a wire brush, metallic sponge, or scraper

Turn the impellers by hand during cleaning

Ensure loosened deposits do not remain in the pump

Check the pump by slowly turning the impellers by hand