Thermo Scientific ISQ 7000 Hardware Manual page 80

1
Performing Routine Maintenance
Cleaning the Ion Source Cartridge
52 ISQ 7000 Hardware Manual
5. Press the blue Evacuate button on the front of the instrument. When the Evacuate light
flashes green for approximately 20-30 seconds and turns off, the Ready to Open light
turns solid green. At that point, the air has been evacuated from the instrument and it is
safe to open the vacuum interlock valve.
Figure 35. Evacuating the Instrument
Vacuum
Interlock
Handle
Evacuate
Button
6. Loosen and twist the top part of the vacuum interlock handle to allow the entire handle
to move up and down. This handle controls the interior ball valve, which seals the
vacuum chamber and protects it from the outside pressure.
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