Thermo Scientific TSQ 9000 Hardware Manual page 156

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3
Advanced Troubleshooting
Replacing Components of the Analyzer
128
TSQ 9000 Hardware Manual
AVERTISSEMENT RISQUE D'INCENDIE : si vous utilisez de l'hydrogène comme gaz
vecteur, vous devez refroidir et mettre hors tension le CG pour éviter l'accumulation
d'hydrogène dans le collecteur à vide. Reportez-vous aux « Précautions de sécurité relatives à
l'hydrogène » à la page xix de la préface pour plus d'informations.
4. Shut down the TSQ 9000 system using the software. See the TSQ 9000 User Guide for
more information.
5. Click the Yes button to continue the shutdown process. The heaters and the
turbomolecular pump power off. Then the foreline pump powers off.
6. Reach around the left side of the instrument and push down on the power switch to
power-off the instrument.
7. If you are using hydrogen, unscrew the hydrogen safety screw on the front door.
.
Figure 89. Powering Off the TSQ 9000 Instrument
Top Cover Panel
Hydrogen Safety Screw
8. Open the front door of the instrument.
9. Look behind the right side of the vacuum interlock shield and twist the vent valve knob
one and a half times in a counter-clockwise direction to open the vent.
10. Wait five minutes for the TSQ 9000 instrument to vent.
Vacuum Interlock Shield
Vent Valve Knob
Power Switch
Hydrogen Safety Screws
Thermo Scientific

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