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3
Operating in Electron Impact (EI) Mode
To Close the Analyzer Chamber
Materials needed
• Gloves, clean, lint-free
Procedure
1 Make sure all the internal analyzer electrical leads are correctly attached.
Table 16
Wire description
Green beaded (2)
White with braided cover (2)
White (2)
Red (1)
Black (2)
Orange (1)
Blue (1)
Green beaded (2)
White (2)
102
•
Large (8650-0030)
•
Small (8650-0029)
The wiring is described in
Figure
28. The term "Board" in the table refers to the feedthrough board
located next to the ion source.
Analyzer wiring
Table 16
and illustrated in
Attached to
Quad heater
Quad sensor
Board, center (FILAMENT-1)
Board, center left (REP)
Board, center (FILAMENT-2)
Board, top right (ION FOC)
Board, top right (ENT LENS)
Ion source heater
Ion source sensor
5975T LTM GC/MSD Operation Manual
Figure 27
and
Connects to
Board, top left (HTR)
Board, top (RTD)
Filament 1 (top)
Repeller
Filament 2 (bottom)
Ion focus lens
Entrance lens
Board, bottom left (HTR)
Board, bottom (RTD)
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