Removing The Electrometer - Agilent Technologies 6890 Series Service Manual

Gas chromatograph

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Removing the electrometer

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.

Remove the right side cover of the instrument.

Make sure you are properly grounded with an ESD strap before continuing.

Disconnect the electrometer's ribbon cable from the detector's interface

Remove the collector block (three Torx T-20 screws).

Remove the two Torx T-20 screws and the corresponding clamps on the

electrical interconnect.

Remove the Torx T-20 screw from each end of the electrometer and

remove the electrometer. (Do not remove the screw on the top of the

electrometer that holds the cover on.)

Collector block

Interconnect

Figure 310-11

Electrometer

Removing the FID electrometer

Agilent 6890 Gas Chromatograph Service Manual

Flame Ionization Detector (FID)

Replacement procedures

6890a 6890 plus