General Maintenance 5
5977 Series MSD Operation Manual 149
5 Secure the new filament(s) with the gold plated screw and washer.
6 After installing the filament, verify that it is not grounded to the source body.
7 Install the ion source. See “To Install the EI Ion Source” on page 150.
8 Close the analyzer chamber. See “To Close the Analyzer Chamber” on
page 80.
9 Pump down the MSD. See “To Pump Down the MSD in EI Mode” on
page 84.
10 Autotune the MSD. See “To Tune the MSD in EI Mode” on page 69.
11 In the Manual Tune dialog, the Filament parameter allows you to enter 1 or
2 for the filament number. Whichever number was present during the
previous autotune enter the other filament number.
12 Autotune the MSD again.
13 Enter the filament number that gave the best results.
If you decide to use the first filament number, run Autotune again to make
sure the tune parameters are compatible with the filament.
14 Select Save Tune Parameters from the File menu.
Figure 26 Changing the filament
Gold plated screws
and washers
To Next Page
Loading...
Need help?
General
