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Power Supply System
Thermo Scientific
To replace the power supply system
Note See the ISQ and TSQ GC-MS Spare Parts Guide for information about ordering this
component.
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 or vent the
instrument. If you are using hydrogen as a carrier gas, power off the GC.
2. Use a T20 Torxhead screwdriver to loosen the top cover panel screw from the interior
front panel. Then slide the top cover panel toward the back of the instrument and lift it
off.
3. Make sure the electrometer board cable is not in the way when you remove the power
supply system.
4. Disconnect the power cables from the back of the mass spectrometer.
Figure 388. Disconnecting the Power Cables
Screws
Power Cable
Connectors
3
Advanced Maintenance
Replacing the Power Supplies
"Shutting Down the ISQ 7000 System"
ISQ 7000 Hardware Manual
347
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