298 AO2000 CONTINUOUS GAS ANALYZERS | OI/AO2000-EN REV. B
Quartz sample cell cleaning
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CAUTION
The sample cell is hot (approx. 55 °C)! Allow the sample cell to cool after
the power supply has been turned off (approx. 30 minutes).
Preparation for sample cell removal:
1 Turn off the sample gas supply to the analyzer module. Switch off the
gas analyzer power supply!
2 Open the wall housing door or the 19-inch housing cover.
Sample cell removal:
3 Loosen the sample gas pipes 2 from the connections on the sample cell
5 and from the housing rear wall 1 and pull them from the housing.
When removing the sample gas pipes make sure no contaminants con-
tained in the pipes fall into the housing.
The sample gas pipes removed should not be reused since they are
contaminated; follow the appropriate rules for disposal.
4 4 Loosen screws 3 (socket-head, wrench opening 3 mm) and remove 2
mounting brackets 4
5 Remove the sample cell 6 from its housing.
6 Unscrew the elbow/pivot fittings 5 from the sample cell.
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