108 Maintaining Your GC
6 Maintaining the Packed Column Inlet
To Install a Packed Metal Column
1 Gather the following:
• 7/16-inch, 9/16-inch, and 1/2-inch wrenches
• Lint-free gloves
2 Load the GC maintenance method and wait for the GC to
become ready.
3 Prepare the packed metal column. (See “To Install Ferrules
on a Packed Metal Column” on page 117.)
4 Install the 1/8-inch or 1/4-inch packed column inlet adapter,
if necessary. (See “To Install an Adapter on the Packed
Column Inlet” on page 99.)
5 Attach the column to the inlet adapter. Finger-tighten the
nut.
6 Tighten the nut an additional 1/4 turn with a wrench (for a
1/8-inch column) or an additional 3/4 turn (for a 1/4-inch
column).
Use two wrenches, one on the column nut and the other on
the adapter, to prevent the adapter from rotating.
7 Configure the new packed column (make sure either column
length or diameter is zero).
8 Condition the column, if necessary. (See “To Condition a
Packed Column” on page 115.)
9 Load the GC maintenance method and wait for the GC to
become ready.
WARNING
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.
CAUTION
Wear clean, lint-free gloves to prevent contamination of parts with
dirt and skin oils.
WARNING
Do not use hydrogen as the carrier for conditioning! It could vent
into the oven and present an explosion hazard.
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