1
Performing Routine Maintenance
Replacing the Electron Multiplier
106
ISQ 7000 Hardware Manual
Thermo Scientific
25. Reattach the top cover panel and tighten the screw holding the top cover panel in place.
26. Close the front door of the instrument.
27. Twist the vent valve clockwise to close the valve. Be sure not to pinch the vent valve
o-ring.
28. If you are using hydrogen as a carrier gas, replace the front panel screw.
29. Replace all remaining hydrogen safety screws if you are using hydrogen.
30. Power on the ISQ 7000 mass spectrometer.
31. If the GC is powered off, power it on and make sure vacuum compensation is on for the
carrier gas flowing into the mass spectrometer.
32. On the ISQ Dashboard click
Air & Water/Tune
.
33.
ISQ 7000 Manual Tune
opens. Click
Reset Multiplier
.
34. Close
ISQ 7000 Manual Tune
.
Figure 103.
Reconnecting the Electron Multiplier Cables
Electron Multiplier
Plate
Electrometer
Board Cable
WARNING FIRE HAZARD:
If you are using hydrogen, do NOT reach over the top of the
instrument to power it on. Instead, reach around the right side or go to the back of the
instrument and flip up the power switch.
AVERTISSEMENT RISQUE D’INCENDIE
: si vous utilisez de l’hydrogène, ne passez PAS la
main par-dessus l’instrument pour le mettre sous tension. Passez-la plutôt par le côté droit
ou placez-vous derrière l’instrument et activez l’interrupteur d’alimentation.
Содержание ISQ 7000
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Страница 174: ...2 Troubleshooting Contacting Technical Support 146 ISQ 7000 Hardware Manual Thermo Scientific ...
Страница 400: ...3 Advanced Maintenance Replacing Fans and Filters 372 ISQ 7000 Hardware Manual Thermo Scientific ...