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Model 9110T NOx Analyzer Instrument Maintenance
Teledyne Analytical Instruments 255
Figure 11-6: Reaction Cell Assembly
4. Remove two screws (Teledyne P/N SN150) and two washers.
5. The reaction cell will separate into two halves, the stainless steel manifold assembly
and the black plastic reaction cell with window gasket, stainless steel reaction cell
sleeve, optical filter and O-rings.
6. The reaction cell (both plastic part and stainless steel sleeve) and optical filter
should be cleaned with Distilled Water (DI - Water) and a clean tissue, and dried
thereafter.
7. Usually it is not necessary to clean the sample and ozone flow orifices since they
are protected by sintered filters.