Electrometer Board And Shield - Thermo Scientific TSQ 9000 Hardware Manual

Electrometer Board and Shield

Thermo Scientific
 To replace the electrometer board and shield
Note See the ISQ and TSQ GC-MS Spare Parts Guide for information about ordering
these components.
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 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 381. 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.
3
Advanced Troubleshooting
Replacing the Boards in the TSQ 9000 Instrument
"Shutting Down the TSQ 9000 System"
Screws
TSQ 9000 Hardware Manual
Electrometer
Shield
Electron
Multiplier Plate
355