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8
CI Maintenance
To Switch from the CI Source to an EI XTR Source
7000/7010 Series TQ GC/MS Operating Manual
219
To Switch from the CI Source to an EI XTR
Source
Procedure
1
From the Tune and Vacuum Control view, vent the MS. (See
on page 124.) The software will prompt you for the appropriate actions.
2
Open the analyzer. (See
“To Open the Front Analyzer Chamber”
3
Remove the CI source. (See to
“To Remove the 7000 Series CI Source”
4
Install the EI XTR source. (See
“To Install the EI XTR Source”
5
Place the CI source in the ion source storage box.
6
If installing an EI SS or Inert source, remove the interface tip seal and put it in
the CI storage container.
7
Pumpdown the MS. (See
8
Load your EI tune file and Tune the MS.
CAUTION
Always wear clean gloves while touching the analyzer or any other parts that
go inside the analyzer chamber.
CAUTION
Electrostatic discharges to analyzer components are conducted to the side
board where they can damage sensitive components. Wear a grounded
antistatic wrist strap, and take other antistatic precautions
before
you open the
analyzer chamber. (See