Maintenance and Servicing
6.2.1.2 Oil
change
WARNING !
If the vacuum pump has been used to pump media which are dangerous to health
then all measures must be taken to protect the service and operating personnel!
Working sequence
Topping-up the oil:
•
Remove the oil filler plug
•
Pour in the oil until it reaches the upper mark
•
Screw in the oil filling plug together with the seal once again
•
Switch on the vacuum pump and let it work for about 2 minutes
•
Check the oil level when the pump is switched off, repeat if necessary
Draining the oil:
•
Unscrew the oil drain plug from the pump casing while the pump is at operating tempera-
ture.
•
Tilt the vacuum pump slightly, catch the oil in a suitable vessel and dispose of it in accor-
dance with the applicable regulations.
WARNING !
Avoid skin contact with the oil!
Dispose of the oil in accordance with the valid environmental protection regulations!
Filling up with oil:
•
Remove the oil filler plug
•
Pour in the oil until it reaches the upper mark
•
Screw in the oil filling plug together with the seal once again
•
Switch on the vacuum pump and let it work for about 2 minutes
•
Check the oil level when the pump is switched off, repeat if necessary
Flushing:
If the oil is heavily contaminated, the vacuum pump must be flushed, e.g.
•
heavy clouding by condensates
•
suspended particles such as dust, fibres, abraded particles
•
dark coloration of the oil.
The flushing liquid should be the type of oil which is currently being used.
20 109025
