23
Maintaining the API Source Interface
Cleaning the Ion Sweep Cone
Thermo Scientific
TSQ Altis, Quantis, and Fortis Hardware Manual
109
7. Dry the component thoroughly with nitrogen gas.
8. Using a magnification device, inspect the component for any residual lint or particulates.
9. After you clean and reinstall these components, turn on the nonvacuum system voltages
by placing the MS's electronics service switch in the Operating Mode (up) position.
To determine if you have successfully unblocked the ion transfer tube, check that the
Source Pressure reading has increased to a normal value.
10. If the ion transfer tube is still blocked, replace it.
Table 16.
Vacuum specification with ion transfer tube installed and open
Region
TSQ Altis
TSQ Quantis
TSQ Fortis
Source Pressure
less than 3.8 Torr
less than 2.0 Torr
less than 2.0 Torr