Thermo Scientific ISQ 7000 Hardware Manual page 126

1
Performing Routine Maintenance
Replacing a Dual Filament
98 ISQ 7000 Hardware Manual
24. Use a T20 Torxhead screwdriver to replace the four screws around the manifold door.
Figure 97. Closing the Manifold Door
25. Reattach the top cover panel and tighten the screw holding it 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.
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.
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.
Screws
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