Leybold Vacuum Pump RUVAC WA 2001 EU

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 perfect condition gasket

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

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

Is the oil level correct according to Section 5.2 and 5.3?

Is the oil condition acceptable?

Check the oil level at vertical flow when the pump is not running

Check the oil level at horizontal flow

Is the oil level at the correct position for vertical flow?

5.4 Cleaning the Fan Cowl and the Cooling Fins

Inspect the fan cowl and cooling fins

Remove coarse dirt from the fins

Observe all safety information provided in Section 5.1

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

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