![Thermo Scientific TSQ 9000 Hardware Manual Download Page 114](http://html.mh-extra.com/html/thermo-scientific/tsq-9000/tsq-9000_hardware-manual_1104856114.webp)
1
Performing Routine Maintenance
Replacing the Electron Multiplier
86
TSQ 9000 Hardware Manual
Thermo Scientific
24. Reattach the top cover panel and tighten the screw holding the top cover panel in place.
25. Close the front door of the instrument.
26. Twist the vent valve clockwise to close the valve. Be careful not to pinch the o-ring.
27. Reinsert the column to the proper length and tighten the transfer line nut. See
for more information.
28. If you are using hydrogen, replace the front panel screw.
29. Replace the ion source cartridge. See
“Reinserting the Ion Source Cartridge”
for more information.
30. Replace all hydrogen safety screws.
31. Power-on the TSQ 9000 mass spectrometer.
32. 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.
Figure 77.
Reconnecting the Electron Multiplier Cables
Electron Multiplier
Electrometer
Shield
Electrometer
Board Cable
Large
Feedthrough
Cables
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 left side or go to the back of the
instrument and flip up the power switch.
Summary of Contents for TSQ 9000
Page 1: ...TSQ 9000 Mass Spectrometer Hardware Manual 1R120618 0003 Revision C December 2018 ...
Page 8: ......
Page 476: ......