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IFS 125M User Manual Bruker Optik GmbH
Maintenance 6
1 Turn the main power switch in the OFF posi-
tion to switch off the spectrometer.
2 Remove the MCT detector from the spectrometer. Detailed information are
given in chapter
5.10.
3 Connect the connecting piece of the vacuum
adapter to the vacuum pump.
The connecting piece has an outer diameter
of 9.7mm.
4 Pull the knob to the open position.
5 Loosen the coupling nut.
6 Carefully slip the vacuum adapter over the connecting piece of the detector
dewar and fasten the coupling nut finger-tight.
The O-ring must engage properly into the corresponding groove at the
detector port. Additional tightening is not necessary
7 Push the knob into the closed position until
the union nut of the vacuum adapter is in con
-
tact with the dewar evacuation valve.
8 • Screw the union nut into the dewar evacua-
tion valve by turning the knob clockwise; 2 to
3 rotations are sufficient. Do not tighten the
union nut completely as this would prevent it
from being unscrewed later.
• Evacuate the vacuum adapter by using the
vacuum pump.
Table 6.16: Evacuating detector
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