Teledyne 6200T - Sulfides Analyzer - Manual (Page 267)

6200T Total Sulfur Analyzer Troubleshooting
Teledyen Analytical Instruments 267
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
11. Figure 12-11 and Figure 12-10).
I MPORTANT I MPACT ON R EADINGS OR D ATA
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.
9.
Note Ensure to apply Loctite to the four lens holder screws and the two light
shield screws.
12. Reattach the lens / filter housing to the sample chamber.
13. Reattach the sample chamber to the PMT housing.
14. Reinstall the sensor module into the 6200T.
15. Close the instrument.
16. Turn the 6200T on and let it warm up for 60 minutes.
17. Perform a leak check (refer to Section 11.3.6).
18. Calibrate the analyzer (refer to Section 9).
12.7.2.4. Replacing the UV filter/lens
I MPORTANT I MPACT ON R EADINGS OR D ATA
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 affect the accuracy of the analyzer’s SO
2
measurement).
CAUTION - GENERAL SAFETY HAZARD
Do not look at the UV lamp while the unit is operating. UV light can cause
eye damage. Always use safety glasses made from UV blocking material
when working with the UV Lamp Assembly. (Generic plastic glasses are
not adequate).
To replace the UV filter lens:
1. Turn off the instrument’s power and remove the power cord from the instrument.