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Transpector MPS Operating Manual
3
Using the Phillips head screwdriver, remove the gold screws (C - one is hidden
in the figure) that hold the ion source onto the quadrupole. There are three
screws in total. See
Figure 6-7 Remove screws holding ion source
4
Remove the ion source by lifting it off the quadrupole assembly.
5
A new ion source assembly can now be installed by reversing the above steps.
6
Using an ohmmeter, check:
that both filaments are not shorted to ground or to any of the lenses
that the filament leads show a filament resistance of approximately 0.8
at the
feedthrough between each filament pin and the filament common pin, refer to
for pin out locations
C
