Thermo Scientific ISQ 7000 Hardware Manual page 334

3
Advanced Maintenance
Replacing the Boards in the ISQ 7000 Mass Spectrometer
306 ISQ 7000 Hardware Manual
18. Use a Torxhead screwdriver to reattach the four screws at each corner of the electron
multiplier plate.
Figure 328. Reattaching the Electron Multiplier Plate
Electron Multiplier
Plate Screws
19. Reconnect the electrometer board cable and large feedthrough cables.
Figure 329. Reconnecting the Electron Multiplier Cables
Electrometer
Board Cable
20. Reattach the top cover and left side panels and tighten the screws.
21. Restart your system by following the instructions in
Tip Once your system is under vacuum and stable, check your RF tune. The new
feedthrough may have slightly different RF characteristics that may shift the RF that is
best for your system.
Large
Electron Multiplier
Plate
"Restarting the System" on
Thermo Scientific
page 165.