Leybold Vacuum Pump TRIVAC S 65 B 112 96

Ensure the following precautions are taken

Remove the dirt trap from the intake port

Rinse the dirt trap in a suitable vessel with solvent

Thoroughly dry the dirt trap with compressed air

Replace the dirt trap with a new one if defective

Switch off the pump and disconnect from the mains to ensure it cannot run inadvertently.

Check for deposits and clean as required

Use a brush to clean the deposits.

Use an industrial vacuum cleaner to remove any remaining debris.

Ensure all required tools and spare parts are available

Drain the oil (see Section 3.2)

Unscrew the four non-recessed hex. socket screws (11/5) and remove the motor (11/6)

Unscrew screw (12/2) and pull off the spring washer (12/3)

Ensure the pump is switched off and warm before changing the oil

Determine and ensure all necessary safety precautions are taken if the operating agent may present a hazard

Remove the oil-drain plug (9/4) and let the used oil drain into a suitable container

Screw the oil-drain plug back in, briefly switch on the pump (max. 10 s) and then switch it off again

Remove the oil-drain plug once more and drain out the remaining oil

Check the gasket and reinstall a new one if necessary

Screw the oil-drain plug back in

Remove the oil-fill plug (9/1) and fill in with fresh oil

Store the pump in a dry place at room temperature (20 °C)

Properly disconnect the pump from the vacuum system

Purge the pump with dry nitrogen

Seal the inlets and outlets with shipping seals

Set the gas ballast switch to the '0' position

Seal the pump in a PE bag with desiccant if shelved for a long period

Has the pump been shelved for over one year?