Electron Multiplier Plate; To Replace The Electron Multiplier Plate - Thermo Scientific TSQ 9000 Hardware Manual

3
Advanced Troubleshooting
Replacing Components of the Electron Multiplier

Electron Multiplier Plate

276 TSQ 9000 Hardware Manual


To replace the electron multiplier plate:

Note See the ISQ and TSQ GC-MS Spare Parts Guide for information about ordering this
component.
1. Shut down your system by following the steps in
on page 127.
Note You do not have to remove the ion source cartridge or the column. However, you
must vent the instrument.
2. Slide the top cover panel toward the back of the instrument and lift it off.
3. Disconnect the electrometer board cable and large feedthrough cables labeled Dynode
and Electron Multiplier.
Figure 298. Disconnecting the Electron Multiplier Cables
Electrometer
Board Cable
4. Remove the two screws holding the electrometer shield to the electron multiplier plate.
"Shutting Down the TSQ 9000 System"
Dynode
Electron
Multiplier
Electron
Multiplier Plate
Thermo Scientific