Thermo Scientific Vanquish VF-D20, Руководство по эксплуатации, Страница: 135 / 182

7 • Maintenance and Service
Vanquish Charged Aerosol Detectors Operating Manual Page 135
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The top gas filter must be the HEPA gas filter (thin white inner
filter cylinder; no. 1 in
Figure 35 ).
7. Push the new gas filter assembly into the clamps observing the
orientation signs for the gas flow on the gas filters. See Figure 35 .
Figure 35: Correct orientation of the gas filter assembly
No. Description
1 HEPA gas filter
2 Charcoal gas filter
8. Push the (push-in) elbow fittings into the gas connectors on the
detector. Check that the connections are secure: Slightly pull on the
fittings. If a fitting slides out, repeat this step.
9. Install the protective cover: Hold the protective cover onto the
interior panel. Slide it downward carefully so that the bottom screws
match the recesses.
10. With the screwdriver, tighten the three screws on the protective
cover.
11. Turn on the detector with its main power switch.
12. In Chromeleon, consider updating the Predictive Performance
information for the gas filter assembly.
13. Turn on the gas flow. See section 6.5.3 Turning On the Detector Gas
Flow, page 99 .