Agilent Technologies 5975C TAD VL MSD Troubleshooting And Maintenance Manual page 144

4
General Maintenance
To reinstall a filament
Materials needed
• Filament assembly (G2590-60053)
• Gloves, clean, lint-free
• Hex ball driver, 1.5 mm (8710-1570)
Procedure

1
2
3
4
5
6
7
8
9
10 Autotune the MSD.
11 In the Edit Parameters dialog box (Instrument/Edit MS Tune Parameters),
12 Autotune the MSD again.
13 Select and use the filament that gives the best results.
14 Select Save Tune Parameters from the File menu.
144
•
Large (8650-0030)
•
Small (8650-0029)
Install the new filament
Remove the screw holding the filament to the ion source body.
Slide off the filament assembly.
Orient the assembly so that the filament is next to the ion source body.
Replace the screw to the ion source body.
After installing the filament, verify that it is not grounded to source body.
Reinstall the ion source. See the
Close the analyzer chamber.
Pump down the MSD.
select the other filament.
If you decide to use the first filament, run Autotune again to make sure the
tune parameters are compatible with the filament.
(Figure 23).
Operation
5975 Series MSD Troubleshooting and Maintenance Manual
Manual.