Teledyne T100, Instruction Manual, Page: 290 / 404

Troubleshooting & Repair Teledyne ML - T100 UV Fluorescence SO2 Analyzer
290 06807A(DCNxxxx)
8. Using a lint-free cloth dampened with distilled water, clean the lens, the filter and all
of the housing assembly mechanical parts.
9. Dry everything with a 2nd lint-free cloth.
10. Reassemble the lens/filter housing (refer to Figure 10-11 and Figure 10-10).
IMPORTANT
Use gloves and a clean plastic covered surface during assembly. Cleanliness of the
inside of the light shield, the UV lens filter housing and the PMT lens is especially
important.
Note
Ensure to apply loctite to the four lens holder screws and the two light shield screws.
11. Reattach the lens / filter housing to the sample chamber.
12. Reattach the sample chamber to the PMT housing.
13. Reinstall the sensor module into the T100.
14. Close the instrument.
15. Turn the T100 on and let it warm up for 60 minutes.
16. Perform a leak check (refer to Section 8.3.6).
17. Calibrate the analyzer (refer to Section 6).
10.7.2.4. REPLACING THE UV FILTER/LENS
IMPORTANT
Be careful not to leave thumbprints on the interior of the sample chamber. The
various oils that make up fingerprints fluoresce brightly under UV light and will
significantly a
ffect the accuracy of the analyzer’s SO
2
measurement).
To Replace the UV Filter Lense:
1.
Turn off the instrument’s power and remove the power cord from the instrument.
2. Unplug J4 connector from the motherboard to allow tool access.
3. Alternatively, remove the sensor module as described in Section 10.7.2.1.
4. Remove 4 screws from the shutter cover (refer to Figure 10-13) and remove the
cover.
5. Remove 4 screws from the UV filter retainer.