
3
Advanced Troubleshooting
Replacing Components of the Electron Multiplier
Thermo Scientific
TSQ 9000 Hardware Manual
281
Large Feedthroughs
To replace the large feedthroughs, o-rings, and screws
1. Shut down your system by following the steps in
“Shutting Down the TSQ 9000 System”
.
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
.
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.
Note
See the
ISQ and TSQ GC-MS Spare Parts Guide
for information about ordering
these components.
Note
You do not have to remove the ion source cartridge or the column. However, you
must vent the instrument.
Figure 305.
Disconnecting the Electron Multiplier Cables
Electron
Multiplier Plate
Dynode
Electrometer
Board Cable
Electron
Multiplier
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.
Содержание TSQ 9000
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