Max300-LG : Description - Specifications - Installation Guide
Extrel
Core Mass Spectrometers
Page 19
Figure 10:
Changing the Turbo Pump Oil Reservoir
Turbomolecular Vacuum Pump
Required Tools
• (2) Flat Blade Screwdrivers.
• (1) Turbo pump oil wick replacement
• (1)Turbo pump service tool
• (1) Small mirror (optional)
The turbo pump oil should be changed at least every year, as recommended by Pfeiffer.
Before changing the turbo pump oil, vent the vacuum system as described previously.
The oil is changed by replacing a self contained oil wick, included in the spare parts kit.
Remove the rubber feet from the bottom of the turbo pump by unscrewing and discarding
them. Engage the holes in the plastic plate on the bottom of the pump, Figure 11, with the
pins on the provided service tool and unscrew the plate. The seal is made by an O-ring
and the plate should be removable by hand. Wipe the plate clean of old oil using a lint
free cloth and set aside.
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