Leybold Vacuum Pump TRIVAC D 65 B 103 56

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

Run standard maintenance if the pump has been shelved for over one year

Ensure the check is run by the Leybold service

Ensure all necessary safety precautions are taken if the operating agent may present a hazard due to decomposition of the oil or the media pumped.

Switch off the pump and ensure it is still warm before proceeding.

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.

Screw the oil-drain plug back in (check the gasket and reinstall a new one if necessary).

3.4 Removing and Fitting the Internal Demister

Ensure all required tools and spare parts are available

Shutdown the pump and drain the oil (see Section 3.2)

Remove the six recessed screws (10/6) on the oil case (10/4)

Pull the oil case forward off the pump

Remove the following components

Lift off the frame (10/2) and remove the internal demister (10/3)

3.7 Removing and Remounting the Pump Module

Ensure all required tools are available

Ensure all required spare parts are available

Drain the oil and remove the oil case (see Section 3.4)

Pull the entire pump module (13/2) forward off the tie rods (13/5)

Ensure individual pin-fitted parts are not loosened