Leybold Rotary Vane Pump SV200 109 27

Ensure all necessary tools are available

Ensure the pump is turned off and cooled down

Remove the fastening screws at the top of the pump-cylinder cover (7/51a-52a)

Loosen the pump foot (7/94a) at the bottom of the cover and take off the cover

Remove four screws and take off the intake flange (7/57) and gasket (7/55)

Remove the retaining ring from inside the intake flange (7/57)

Take out both wire-mesh screens

Take adequate safety precautions when pumping harmful substances

Pour in clean oil up to the bottom edge of the oil-level glass and let the pump run for a few minutes

Drain the oil again and pour in clean oil up to the top edge of the oil-level glass

Is special preservation or slushing oil used?

Is there deterioration of the ultimate pressure due to gases or liquids?

Drain the required amount of oil for an oil check

5.2 Maintenance Intervals / 5.4-C Oil Change, Replacing the Oil Filter

Ensure the pump is switched off but still at working temperature

Use oil filter key (710 73 532) for the procedure

Check for risk of oil polymerization and change oil immediately if necessary

Unscrew the oil-drain plug (6/5) and let the used oil drain into a suitable container

Observe the safety regulations while draining oil

Screw the oil-drain plug back in when the flow of oil slows down

Briefly switch on the pump (max. 10s) and switch it off

Remove the oil-drain plug again and drain the remaining oil

5.2 Maintenance Intervals / 5.4-M Cooling coil cleaning

Clean the oil cooler with compressed air