Waters Xevo TQ-GC Overview And Maintenance Manual page 49

Figure 3–13: Aligning the EI ionization chamber
10. Lower the ionization chamber onto the repeller assembly.
Note:
The ionization chamber is asymmetrical and can only be fitted one way.
11. Align the guidance pegs on the EI filament housing assembly with the bayonet mount on
the inner source assembly.
Figure 3–14: Aligning the EI filament housing assembly
12. Lower the EI filament housing assembly into the bayonet mount, push it down and then
rotate it approximately 30° in a clockwise direction.
April 27, 2020, 715005564 Ver. 01 (previously released as Rev. A)
Page 49