126 Maintaining Your GC
7 Maintaining the COC Inlet
6
Break off the column end by supporting it against the column
cutter opposite the scribe. Inspect the end with a magnifying
loupe to make certain there are no burrs or jagged edges.
7 Wipe the column walls with a tissue dampened with
isopropanol to remove fingerprints and dust.
8 Gently insert the column into the inlet until it bottoms. You
should feel spring tension as you push up on the column. (Do
not withdraw the column.)
9 Insert the column nut into the inlet fitting and finger-tighten.
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