6
Maintenance
Replacing the Filament of the TSQ Quantum XLS Ion Source
104
TSQ Quantum XLS and TSQ Quantum GC User Guide
Thermo Scientific
Figure 56.
Disassembling the TSQ Quantum XLS ion source to replace the filament
5. Unscrew the threaded standoff and remove the retainer clip that secures the heater ring
and lens assemblies to the ion source block. See
.
6. Pull the heater ring and lens assemblies off of the cartridge heaters on the ion source
block. Place them on a clean surface.
7. Remove the retainer clip that secures the filament and centering ring to the ion source
block.
8. Remove the filament and centering ring from the ion source block.
9. Inspect and install a new filament (
P/N 120320-0030
, in the
TSQ Quantum XLS
Accessory Kit
).
a. Verify that the filament wire is centered in the electron lens hole.
b. Insert the filament into the centering ring.
Note
Now is a good time to clean the ion source block and lenses. Use the procedure
described in
“Cleaning Stainless Steel Parts”
to clean the ion source block
and lenses.
Heater ring and lens
assemblies
Heater ring and lens
assemblies retainer clip
Threaded standoff
Ion source block and
EI/CI Source PCB
Filament retainer clip
Filament
Centering ring