Leybold Vacuum Pump RUVAC WA 1001 US

5.4 Cleaning the Fan Cowl and the Cooling Fins

Inspect the fan cowl and cooling fins

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

Check the oil level in the oil level glass

Check the condition of the oil in the oil level glass

Check the oil level in the oiler

Check the condition of the oil in the oiler

Is the oil light-brown in color?

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

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

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 and drain out the oil

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

Is the oil level correct for the selected state of the pump?

Observe all safety information provided in Section 5.1

Switch off the pump and vent to atmospheric pressure before removing any plugs

Ensure the pump has cooled down if it was warm during operation

Wear protective gloves to protect against aggressive residues in the oil

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