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13 Tighten the interface nut an additional 1/4 to 1/2 turn with a 1/4 inch open-
end wrench.
14 Check the tightness after one or two heat cycles.
15 In the Status/Settings/Inlet screen, set the column flow to the appropriate
value for the column installed.
16 Pump Down the MSD following the instructions in the 5973N MSD
Hardware Manual (Part No. G2589-90001).
Press on the side plate of the MSD to achieve a good seal. Verify that the foreline
pump and front fan turn on and that the foreline pump stops gurgling within 60
seconds.
17 When prompted, set the MSD interface temperature using the GC Control
Module (Status/Settings/Detector screen).
18 Reinstall the MSD analyzer cover.
3 Operational Differences
Installing the Column in the GC/MS Interface
75
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