To Purge The Calibration Valves - Agilent Technologies 5975C TAD VL MSD Troubleshooting And Maintenance Manual

To Purge the Calibration Valves

After removing a calibrant vial, you must purge the calibration valve. Failure to do so
CA UT IO N
will result in damage to the filaments and the electron multiplier.
EI calibration valve
After adding new PFTBA to the calibrant vial, you must purge the air out of
the vial and valve.
1
2
CI calibration valve
After adding new PFDTD to the calibrant vial, you must purge the air out of
the vial and valve.
1
2
3
4
5975 Series MSD Troubleshooting and Maintenance Manual
If the vacuum gauge controller is on, turn it off.
In Tune and Vacuum Control view, select
Vacuum menu.
This will open the CI calibration valve for several minutes with all analyzer
voltages turned off.
If the vacuum gauge controller is on, turn it off.
Select Gas A.
Verify that PCICH4.U
In Diagnostics and Vacuum Control view, select
the Vacuum menu.
This will open the CI calibration valve for several minutes with all analyzer
voltages turned off.
is loaded.
General Maintenance
Purge Calibrant Valve under the
Purge Calibrant Valve
4
under
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