Preventive Maintenance

Flame ionization detector (FID)

Figure 8-10

Collector Assembly

Cover Removed, Flame Ionization Detector (FID)

Turn off the detector and its heated zone; also turn off gases to the detector (particularly H1!). Allow time for the detector zone to cool. Open the top cover at its front edge to access the detector.

1.Using a Pozidriv•typescrewdriver, remove three screws around the detector cover, and remove the cover.

2.Remove the FID collector assembly by pulling it straight up.

3.Use a cleaning brush (Part No. 8710•1346)to scrub the interior of the collector.

Using compressed air or N1, blow out loose material from inside the collector.

WARNING Wear proper eye protection when using compressed gas for cleaning purposes.

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