MAX300-RTG : Hardware Manual Hardware Maintenance
65
Figure 38: Ionizer Flange
Figure 39: Ionizer Flange with Inlet and 10 Pin Connector
The ionizer flange is held to the chamber with eight socket head screws (1/4 inch
hex key). Remove the flange and set it on a clean work surface. Remove and
discard the nonreuseable copper gasket.
The ionizer assembly is held in place by spring loaded electrical connections. It
can be removed by grasping the last lens and pulling the module straight from the
flange. The new module is installed by inserting the central ion region into the
flange mounted heated block, aligning the electrical connections and pushing it in
place. If the assembly is properly installed, no gap should be visible between the
fixed part of the ionizer block and the innermost plate of the ionizer. The total height
of the assembly can be measured from the vacuum side of the flange and should
10 Pin Vacuum
Feedthrough
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