HP 5890 SERIES II Service Manual page 172

20. Install the oven temperature sensor and secure by tightening the retaining clamp.
21. Install the oven heater/fan shroud in the instrument oven and secure using four screws.
22. Place a screwdriver through a hole in the shroud and gently spin the fan. Listen to determine if
the fan touches anything while turning. If so, open the shroud and make any necessary adjust-
ments.
23. Install any columns and associated hardware removed at the beginning of this procedure.
24. Connect any gas supplies disconnected in step 4 of this procedure.
25. Restore power to the instrument.
26. Ensure that the oven functions properly at a given temperature (e.g., 100_C).
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SVC 5- 10