Replacement Procedures; Replacing The Inlet - Agilent Technologies 6890 Series Service Manual

Gas chromatograph

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Purged/Packed Inlet

Replacement procedures

Turn off the oven and turn off the inlet you are replacing and let them cool

down. Turn off the carrier gas supply pressure. Then turn off the main power

switch and unplug the power cord.

Disconnect the column from the bottom of the inlet.

Remove the thermal cup and insulation from the bottom of the inlet

column fitting.

Remove the inlet liner/insert by loosening the 1/4-inch nut on the inlet

liner. The metal bottom plate on the oven ceiling does not need to be

Figure 220-4

Removing the column and the thermal cup (inside oven)

Agilent 6890 Gas Chromatograph Service Manual

6890a 6890 plus