340 Electron Capture Detector (ECD)
Replacement procedures
8 of 24
Jun 2001
Detectors
Agilent 6890 Gas Chromatograph Service Manual
The ECD detector is now properly disassembled for replacement or exchange.
DO NOT remove the inner thermal cover if you are replacing the entire
detector assembly.
Replacing the heater/sensor assembly
After removing the ECD detector from the GC, you can further disassemble
it to replace the heater/sensor assembly.
WARNING The ECD cell contains radioactive
63
Ni. To reduce the risk of exposure, wear
disposable gloves while handling the ECD cell. When you are finished, dispose
of the gloves and wash your hands with soap and water.
1. Remove the detector as described in the Replacing the entire detector/
detector cell procedure in this section.
2. Loosen the locking tab screw on top of the detector, slide the locking tab
back, and pivot it out of the away.
Figure 340-7 Unlocking the thermal cover
3. Lift the thermal cover up and carefully slide it off of the anode assembly.
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