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4
General Maintenance
Table 18
Wire color
Blue
Orange
White
Red
Black
Brown
Ion source
Feedthrough board
Thumbscrews
Extractor wire
Source heater and
temperature sensor wires
Source radiator
Figure 12
Removing the Extractor ion source
5
6
7
98
Extractor EI (inert+) ion source wires
Connects to
Entrance lens
Ion focus
Filament 1 (top filament)
Repeller
Filament 2 (bottom filament)
Extractor lens
Trace the wires for the ion source heater and temperature sensor to the
feedthrough board. Disconnect them there.
Remove the thumbscrews that hold the ion source in place.
Pull the ion source out of the source radiator.
Number of leads
1
1
2
1
2
1
5975/5977 Series MSD Operation Manual
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