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Maintenance Schedule & Procedures M400E Ozone Analyzer Operator’s Manual
12.3.2. REBUILDING THE SAMPLE PUMP
The diaphragm in the sample pump periodically wears out and must be replaced. A sample rebuild kit is
available – see Appendix B of this manual for the part number of the pump rebuild kit. Instructions and diagrams
are included with the kit.
Always perform a flow and leak check after rebuilding the sample pump.
12.3.3. REPLACING THE IZS OPTION ZERO AIR SCRUBBER
1. Turn off the analyzer.
2. Remove the cover from the analyzer.
3. Disconnect the white nylon ¼”-1/8” fitting from the Zero Air Scrubber (See Figure 12-2).
4.
Remove the old scrubber by disconnecting the 9/16” fitting at the top of the O
3
generator tower, then
removing the scrubber.
5. Install the new scrubber by reversing these instructions.
IZS Zero Air Scrubber
Figure 12-2 Replacing the IZS Zero Air Scrubber
224 04315 Rev. C1