Large Feedthroughs - Thermo Scientific TSQ 8000 Evo Hardware Manual

Large Feedthroughs

Thermo Scientific
 To replace the large feedthroughs, o-rings, and screws
Note See the TSQ 8000 Evo Spare Parts Guide for information about ordering these
components.
1. Shut down your system by following the steps in
System" on page 107.
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 264. Disconnecting the Electron Multiplier Cables
Electrometer
Board Cable
4. Use a T20 Torxhead screwdriver to remove the screws around the large feedthroughs.
5. Replace the large feedthroughs, o-rings and screws.
6. Use a T20 Torxhead screwdriver to remove the four screws at each corner of the electron
multiplier plate.
CAUTION - ELECTRICAL HAZARD Avoid dropping screws between chassis and side cover
or board. If you drop a screw, find it before powering the instrument on again.
3
Advanced Troubleshooting
Replacing Components of the Electron Multiplier
"Shutting Down the TSQ 8000 Evo
Dynode
Electron
Multiplier
Electron
Multiplier Plate
TSQ 8000 Evo Hardware Manual 243