Thermo Scientific TSQ 9000 Hardware Manual page 39

Thermo Scientific
7. 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. Wait five minutes
for venting to complete.
IMPORTANT The process ends here if you are planning to perform system
maintenance on the TSQ 9000 mass spectrometer alone (for example, to replace the
filament). You don't need to turn off the GC, data system, and autosampler.
8. Power-off all the remaining instruments. Refer to their user documentation for specific
instructions.
CAUTION If you need to work inside the TSQ 9000 instrument, disconnect it from the
electrical outlet. Be sure to reconnect it to the AC Input connector on the back of the
instrument after finishing your work and closing the instrument.
ATTENTION Si vous devez travailler à l'intérieur de l'instrument TSQ 9000, débranchez-le
de la prise électrique. Assurez-vous de le reconnecter au connecteur d'entrée AC à l'arrière
de l'instrument après avoir terminé votre travail et fermé l'instrument.
Figure 6. Connecting the TSQ 9000 Instrument to the Electrical Power
Power Switch
AC Input
Connector
1
Performing Routine Maintenance
Powering Off the TSQ 9000 System
TSQ 9000 Hardware Manual 11