9 of 24
Jun 2001
Detectors
Agilent 6890 Gas Chromatograph Service Manual
Flame Ionization Detector (FID) 310
Replacement procedures
4. Remove the thermal strap and weldment from the detector pallet.
Disconnect the strap from the weldment (two M7 hex nuts).
Figure 310-8 Removing the detector block
Replacing the collector assembly
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.
1. Remove the right side cover of the instrument.
Caution Make sure you are properly grounded with an ESD strap before continuing.
Detector pallet
Hex nut
Thermal strap
Detector weldment
M7 hex nuts
Insulation
Heater/sensor assembly
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