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8472B Operating and Service Manual 9
Service Instructions
CAUTION
• Do not rotate the detector element while inserting or removing as
damage may result.
• The detector element might be damaged if the detector element is not
centered.
• When inserting the detector element, do not force the large pin end into
the center conductor.
3. Remove the old detector element and the polyiron washer. Discard the
detector element.
4. Install the RF adapter washer, polyiron ring, axial spacer, and new
detector element. Refer to Figures 2 and 3 for the proper orientation for
the internal components.
a. Insert the RF washer first with the large step on the washer facing
toward the crystal mount body and the small step on the washer
facing toward the detector element.
b. Carefully insert the large pin end of the detector element into the
center contact inside the detector body.
c. Place the polyiron ring and the axial spacer over the small pin end of
the detector element. The polyiron ring fits into the axial spacer.
5. Carefully place the connector cap over the body and assembled
components and tighten firmly in place.
6. Place the compression spring into the center conductor of the female
BNC or OSSM connector. Carefully start the spring over the small pin of
the detector element through the hole in the connector cap. Keep the
spring in the center connector and screw the female connector firmly
into place.