To Install Ferrules On A Packed Metal Column - Agilent Technologies 7820A Manual

To Install Ferrules on a Packed Metal Column

C AU TI O N
Maintaining Your GC
Gather the following:
1
• Wrenches
• Stainless steel male Swagelok fitting, 1/4- or 1/8-inch od
• Brass Swagelok nut and ferrule set (See
and Parts for the Packed Column Inlet"
• Lint-free gloves
Verify that the column end is cut square and is free of burns
2
and deformation.
Secure the fitting in a bench vise.
3
Wear clean, lint-free gloves to prevent contamination of parts with
dirt and skin oils.
4 Assemble a Swagelok nut and ferrules onto the column.
Front ferrule
Back ferrule
Column nut
Fully insert the column into the vise-held fitting, then
5
withdraw 1–2 mm. Finger-tighten the nut.
Tighten the nut an additional 3/4 turn with a wrench (for a
6
1/8-inch column) or an additional 1-1/4 turn (for a 1/4-inch
column).
Unscrew the column nut from the vise-held fitting and
7
remove the column. Ferrules should now be set in place on
the column with the column end correctly positioned.
Maintaining the Packed Column Inlet
"Consumables
on page 92.)
6
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