3 | Transport
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2.4.4 Level Switch (accessory)
The level switch monitors the oil level in the oil separator (OS).
The vacuum pump must be stopped when the oil level is too low.
2.4.5 Gas Ballast Valve (option)
The gas ballast mixes the process gas with a limited quantity of ambient air to counteract
the condensation of vapor inside the vacuum pump.
The gas ballast valve has an influence on the ultimate pressure of the vacuum pump, see
Technical Data [►27].
3 Transport
WARNING
Suspended load.
Risk of severe injury!
• Do not walk, stand or work under suspended loads.
NOTICE
In case the vacuum pump is already filled with oil.
Tilting a vacuum pump that is already filled with oil can cause large quantities of oil to
ingress into the cylinder. Starting the vacuum pump with excessive quantities of oil in
the cylinder will immediately break the vanes and ruin the vacuum pump!
• Drain the oil prior to every transport or always transport the vacuum pump horizon-
tally.
• Make sure that the eyebolt (EB) is in faultless condition, fully screwed in and tightened
by hand.
Vacuum pump weight:
see the technical data or the nameplate (NP)
The vacuum pump appearance may differ from the illustration
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