To Install A Packed Glass Column - Agilent Technologies Agilent 7890 Series Maintenance Manual

6
Maintaining the Purged Packed Inlet

To Install a Packed Glass Column

WA R N I N G
C A U T I O N
C A U T I O N
94
1 Gather the following:
• 9/16- inch wrench
• Two 1/4- inch brass nuts (See
for the Purged Packed Inlet"
• Two 1/4- inch Vespel/graphite ferrules
• Lint- free gloves
Load the GC maintenance method
2
become ready.
Be careful! The oven, inlet, and/or detector may be hot enough to
cause burns. If the oven, inlet, or detector is hot, wear
heat-resistant gloves to protect your hands.
Wear clean, lint-free gloves to prevent contamination of parts with
dirt and skin oils.
Assemble a brass nut and Vespel/graphite ferrule on each
3
end of the column.
Glass columns must be simultaneously inserted into the
inlet and detector and installed parallel to the oven door.
When conditioning the column, do not attach the column
to the detector.
If conditioning the column, insert the column into the
4
purged packed inlet until it bottoms. Withdraw the
column 1 to 2 mm. Finger- tighten the inlet column nut.
(See "To Condition a Packed Column"
Overtightening the column nut or forcing it to bottom in either the
inlet or detector may shatter the column.
"Consumables and Parts
on page 68.)
and wait for the GC to
on page 97.)
Maintaining Your GC