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Jun 2001
Detectors
Agilent 6890 Gas Chromatograph Service Manual
Thermal Conductivity Detector (TCD) 330
Replacement procedures
Replacement procedures
Replacing the entire detector
WARNING Before proceeding, turn off the oven and any heated zones and let them cool
down. Turn off any detector gases at their supply, then turn off the main
power switch and unplug the power cord.
Caution Make sure you are properly grounded with an ESD strap before continuing.
1. Shut off the detector and the detector gases, and let the detector cool.
2. Remove the detector cover, the electronics cover, the right side cover, the
RFI shield, and the rear top panel.
3. Disconnect the column from the bottom of the detector.
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