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Bruker Optik GmbH IFS 125M User Manual
Maintenance 6
9 Pull the knob to the open position in order to
open the dewar evacuation valve and evacu
-
ate the dewar.
10 • If the desired vacuum has been achieved,
gently push the knob to the closed position
in order to close the dewar evacuation valve.
• Purge the section between vacuum pump
and vacuum adapter.
11 Rotate the knob several turns counterclock-
wise in order to screw the union nut off the
dewar evacuation valve. Be careful not to
purge the dewar.
12 Pull the knob to the open position.
13 • Loosen the coupling nut and remove the
vacuum adapter from the connecting piece
of the dewar.
• Reinstall the MCT detector into the spec-
trometer (chapter 5.10)
14 Check whether a signal is detected and the optics works properly. More
details are described in chapter
5.6.
Table 6.16: Evacuating detector
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