PerkinElmer Clarus SQ 8 MS Series, Hardware Manual

Page: 139 / 184

Maintenance
137
4.
Select Pump from the Options menu.
This starts the forepump and the turbomolecular pump.
5.
In the Vacuum Pressure Gauges area of the window, observe the Pirani gauge
time line and the Penning gauge time line. Wait about 5 minutes until the
vacuum gauge achieves about 2.5 x 10-5.
Leak Checking
Before running in the CI mode, confirm that the column is properly installed and the
system is leak-free. The best way to check this is by running CI without the reagent gas.
To leak check a system:
1.
Display the Tune page.
2.
Select CI+ from the Ion Mode menu.
3.
Click Press for Operate and observe the air/water masses.