8CI Maintenance
To Switch from the CI Source to the EI XTR Source
216 7000/7010 Series TQ GC/MS Operating Manual
To Switch from the CI Source to the EI XTR
Source
Procedure
1 Vent the MS. (See “To Vent the MS” on page 124.) The software will prompt
you for the appropriate actions.
2 Open the left side access panel. (See “To Open Left Side Panel for Access to
the Analyzer Chambers” on page 119).
3 Open the front analyzer chamber. (See “To Open the Front Analyzer
Chamber” on page 156.)
4 Remove the CI source. (See “To Remove the 7000 Series CI Source” on
page 220.)
5 Install the EI XTR source. (See “To Install the EI XTR Source” on page 187.)
6 Place the CI source in the storage container.
7 Pumpdown the MS. (See “To Pumpdown the MS” on page 120.)
Always wear clean gloves while touching the analyzer or any other parts that
go inside the analyzer chamber.
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 “Electrostatic discharge” on page 151.)