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Figure 4–11: Fitting the inner source
4.
Slide the inner source into the instrument, and verify that it fits into the outer source.
5.
Hold the inner source assembly against the mounting flange, and then turn it approximately
45° in a clockwise direction until it locks.
Figure 4–12: Locking the inner source
6.
Close the source enclosure door.
7.
Start the instrument (see
4.7 Cleaning the inner source components
Clean the ionization chamber and the repeller when the following conditions apply:
• The ion beam is unstable or has a low intensity (usually caused by a dirty ion repeller or
ionization chamber).
• The sensitivity is poor (usually caused by a partially blocked entrance hole in the ionization
chamber, or a dirty ion repeller or ionization chamber).
See also
Troubleshooting the Xevo
Preparing to start the mass
TQ-GC.
April 27, 2020, 715005564 Ver. 01 (previously released as Rev. A)
spectrometer).
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