Columns and Traps
Installing capillary columns
Released: March 2004 6850 Series II GC User Information page 39 of 256
1. Install a plug (for example, a no-hole ferrule) in the inlet fitting.
2. Install the insulation cup, if needed. Push the cup spring to the right. Slide
the cup over the inlet fitting so that the insulation at the top of the cup is
flush against the oven roof.
3. Place the spring into the groove in the inlet liner. Remove the column nut
and put the no-hole ferrule aside.
4. Place the ferrule and column nut on the column end. Trim off a short piece
to remove any ferrule fragments inside the column.
Inlet fitting
Capillary liner
Column nut with
no-hole ferrule
Insulation cup
Groove
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