Installation manual

Operating in Electron Impact (EI) Mode 3
5975 Series MSD Operation Manual 87
To close the analyzer chamber
Materials needed
• Gloves, clean, lint-free
• Large (8650-0030)
• Small (8650-0029)
Procedure
1 Make sure all the internal analyzer electrical leads are correctly attached.
Wiring is the same for both the EI and CI sources.
The wiring is described in Table 14 and illustrated in Figure 22 and
Figure 23. The term “Board” in the table refers to the feedthrough board
located next to the ion source.
Table 14 Analyzer wiring
Wire description Attached to Connects to
Green beaded (2) Quad heater Board, top left (HTR)
White with braided cover (2) Quad sensor Board, top (RTD)
White (2) Board, center (FILAMENT-1) Filament 1 (top)
Red (1) Board, center left (REP) Repeller
Black (2) Board, center (FILAMENT-2) Filament 2 (bottom)
Orange (1) Board, top right (ION FOC) Ion focus lens
Blue (1) Board, top right (ENT LENS) Entrance lens
Green beaded (2) Ion source heater Board, bottom left (HTR)
White (2) Ion source sensor Board, bottom (RTD)