Agilent Technologies Agilent 7890 Series Maintenance Manual page 253

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Maintaining the uECD
If the id is less the 200 um, mark the column with a
septum 70 ± 1 mm from the end. Insert column and nut
into the adapter with the septum at the rear of the
column nut, and tighten the column nut with one
5/16- inch wrench on the adapter and another 1/4- inch
wrench on the column nut.
70 ± 1 mm
Septum
After heating the detector, retighten the 9/16- inch
9
makeup adapter nut and 1/4- inch column nut.
Maintaining Your GC 253