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Instrument Maintenance Teledyne API - T100 UV Fluorescence SO2 Analyzer
234
1. Turn off the analyzer.
2. Disconnect the pneumatic tubing attached to both ends of the scrubber’s inner
tubing.
3. One end is connected to the sample particulate filter assembly and the other end is
connected to the reaction cell assembly.
4. Both ends are made of the 1/8" black Teflon tubing.
5. Cap one end of the hydrocarbon scrubber.
6. Attach the pressurized air source to the other end of the scrubber inner tubing with
the leak check fixture in line.
Pump
or
Pressurized Air
Source
Leak Check
Fixture
Scrubber
Cap
Figure 11-4: Hydrocarbon Scrubber Leak Check Setup
7. Use the needle valve to adjust the air input until the gauge reads 15 psiA.
ATTENTION
COULD DAMAGE INSTRUMENT AND VOID WARRANTY
Do not exceed a pressure of more than 15 psia.
Do not pull the vacuum through the scrubber.
8. Close the shut-off valve.
9. Wait 5 minutes.
If the gauge pressure drops >1 psi within 5 minutes, then the hydrocarbon scrubber has
an internal leak and must be replaced. Contact Teledyne API’s Technical Support.
06807C DCN6650