To Purge The Ci Calibration Valve - HP 5973 MSD Hardware Manual

To purge the CI calibration valve

After adding new PFDTD to the calibrant vial, you must purge the air out of
the vial and valve.
1 If the vacuum gauge controller is on, turn it off.
2 Turn on
3 Turn on
4 In Diagnostics and Vacuum Control view, select
Vacuum menu.
This will open the CI calibration valve for several minutes with all analyzer
voltages turned off.
C A U T I O N After removing the calibrant vial, you
will result in severe contamination of the ion source and damage to the electron multiplier.
Gas A.
Purge.
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Purge Cal Valve
purge the calibration valve. Failure to do so
must
 Maintenance
under the
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