Teledyne 9110T - Nitrogen Oxides Analyzer - Manual (Page 245)

Model 9110T NOx Analyzer Instrument Maintenance
Teledyne Analytical Instruments 245
Figure 11-3: Ozone Cleanser Assembly
3. Remove the integrated screws with a Phillips screw driver and remove the scrubber
manifold from the chassis.
4. Using a 9/16” wrench, remove both fittings from the cartridge.
5. Discard the glass wool.
6. Pour the contents of the scrubber manifold onto a sheet of white paper. If
necessary, remove the plug to ensure that all the contents are poured out.
 Notice any discoloration of the contents, which is usually white and slightly
transparent.
 The amount of discolored chemical (usually with yellow tint) may give you an
indication of the lifetime of the chemical in your application.