Agilent Technologies 7820A Manual page 217

C AU TI O N
Maintaining Your GC
Wear clean, lint-free gloves to prevent contamination of parts with
dirt and skin oils.
Place a septum, capillary column nut, and ferrule on the
3
column.
Ferrule
Column nut
Septum
4 Score the column using a glass scribing tool. The score must
be square to ensure a clean break.
Break off the column end by supporting it against the column
5
cutter opposite the scribe. Inspect the end with a magnifying
loupe to make certain there are no burrs or jagged edges.
6 Wipe the column walls with a tissue dampened with
isopropanol to remove fingerprints and dust.
Install the capillary column.
7
Maintaining the NPD
Bad
Good
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