Electron Multiplier Plate - Thermo Scientific ISQ 7000 Hardware Manual

3
Advanced Maintenance
Replacing Components of the Electron Multiplier

Electron Multiplier Plate

258 ISQ 7000 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 149.
Note You do not have to remove the ion source cartridge or the column. However, you
must vent the instrument.
2. Use a T20 Torxhead screwdriver to loosen the top cover panel screw from the interior
front panel. Then slide the top cover panel toward the back of the instrument and lift it
off.
3. Disconnect the electrometer board cable and large feedthrough cable. Each one is labeled.
Figure 270. Disconnecting the Electron Multiplier Cables
Electrometer
Board Cable
"Shutting Down the ISQ 7000 System"
Large
Electron Multiplier
Plate
Thermo Scientific