Inficon Transpector MPH Operating Manual page 122

2
Pull the electrical leads away from the sensor.
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.
Figure 6-7 Remove screws holding ion source
4
Lift the ion source off the quadrupole assembly.
5
Install the new ion source by reversing the above steps.
6
Using an ohmmeter, check:


6 - 10
CAUTION
Do not bend the leads.
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 Figure 6-1 on page 6-5
C
for pin out locations
Transpector MPH Operating Manual