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Transpector CPM Operating Manual
4 The ion source can now be removed by lifting it off the quadrupole assembly.
Install a new ion source by reversing the above steps. (See Figure 7-22.)
Figure 7-22 Ion Source and quadrupole assembly
5 Using an ohm meter, check that the filament is not shorted to ground or to any
of the ion source plates and that the two filament leads show a filament
resistance of approximately 1 at the feed-through (approximately 0.5 at the
lead connectors).