Leybold Vacuum Pump TRIVAC S 40 B 102 86

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

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).

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

Screw the oil-fill plug (9/1) back in.

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 if defective

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

Ensure the oil level is between the marks on the oil-level glass

Is the oil level within the required range?

Check if the oil needs to be changed

Select the type of oil used for refill

Refill oil only after the pump has been switched off

3.1.1 Checking the Condition of N 62 or HE 200 Oil