Teledyne 200E, Instruction Manual, Page: 161 / 302

Instrument Maintenance Model 200E Instruction Manual
9.3.3. Changing the Ozone Filter Chemical
The O
3
filter is located between the O
3
generator and the reaction cell and cleans the O
3
stream from solid and liquid contaminants that are created inside the O
3
generator. The
content of the filter cartridge needs periodical exchange according to Table 9-1, a rebuild kit
is available from the factory. Appendix B of this manual lists the part numbers of the ozone
filter rebuild kit.
• To change the filter chemical, follow these steps:
• Turn of power to the analyzer and pump. Remove the analyzer cover and locate the
O
3
filter in the front of the analyzer next to the O
3
generator.
• Use your hands or a special tool (FT267) to remove both pieces of 1/8” tubing from
the filter.
Figure 9-3: 04419 Ozone Filter Unit
• Remove the two 3” mounting screws with a Phillips screw driver and take out the
filter cartridge.
• Using a 9/16” wrench, remove both red NPT fittings from the cartridge.
• Pour out the contents of the cartridge onto a sheet of white paper. Notice any
discoloration of the contents, which is usually white and slightly transparent. Note
how much of the chemical is discolored (usually with yellow tint), this may give you
146 044100102 Rev A