4- Pin Feedthrough - Thermo Scientific ISQ 7000 Hardware Manual

4- Pin Feedthrough

Thermo Scientific
 To replace the 4-pin feedthrough:
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 149.
Note You do not have to remove the ion source cartridge or the column. However, you
must vent the instrument.
2. Use a T20 Torxhead screwdriver to loosen the top cover panel and left side panel screws
from the interior front panel. Then slide the left and top cover panels toward the back of
the instrument and lift them off.
3. Disconnect the electrometer board cable and large feedthrough cable. Each one is labeled
and permanently connected to the power supply.
Figure 320. Disconnecting the Electron Multiplier Cables
Electrometer
Board Cable
3
Advanced Maintenance
Replacing the Boards in the ISQ 7000 Mass Spectrometer
"Shutting Down the ISQ 7000 System"
Electron Multiplier
Plate
ISQ 7000 Hardware Manual
Large
301