Electrometer Board And Shield - Thermo Scientific TSQ 8000 Evo Hardware Manual

3
Advanced Troubleshooting
Replacing the Boards in the TSQ 8000 Evo Instrument

Electrometer Board and Shield

318 TSQ 8000 Evo Hardware Manual
 To replace the electrometer board and shield
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 or vent the
instrument. If you are using hydrogen as a carrier gas, power off the GC.
2. Slide the top cover panel toward the back of the instrument and lift it off.
3. Disconnect the electrometer board cable.
Figure 343. Disconnecting the Electron Multiplier Cables
Electrometer
Board Cable
4. Use a T10 Torxhead screwdriver to remove the two screws holding the electrometer shield
in place.
5. Lift off the electrometer shield and replace it if necessary.
"Shutting Down the TSQ 8000 Evo
Screws
Electrometer
Shield
Electron
Multiplier Plate
Thermo Scientific