Cleaning The Outer Source Assembly's Lenses - Waters Xevo TQ-GC Overview And Maintenance Manual

Figure 4–30: Securing the filament housing assembly
Figure 4–31: Correctly fitted EI and CI filament housing assemblies
EI filament housing assembly fitted with two yttrium oxide-coated rhenium EI
filaments
EI Filament 1
EI Filament 2
CI filament housing assembly fitted with one uncoated rhenium CI filament
11. Fit the inner source into the instrument (see

4.9 Cleaning the outer source assembly's lenses

If you observe poor resolution, indicated by small peaks on either side of the main peak, clean the
repeller and the ionization chamber from the inner source before you clean the lenses in the outer
source. If, after cleaning the repeller and the ionization chamber, no improvement is observed,
clean the lenses.
See Cleaning the inner source components
April 27, 2020, 715005564 Ver. 01 (previously released as Rev. A)
Fitting the inner source to the
and Troubleshooting the Xevo
Page 77
instrument).
TQ-GC.