Maintenance 3
Maintenance 57
To Attach the Transfer Line to a Cool On-Column Inlet
Make sure your column dimensions are correct in relation to
the size of your fused silica. Your column id can not be
greater than 530 um. Refer to your cool on- column inlet
documentation for more information.
1 Gather the following:
• Lint- free gloves
• Capillary column cutter (5181- 8836)
2 Cool the GC inlet to a safe handling temperature.
3 Cool the GC oven to room temperature to prevent column
damage. Then turn off the carrier gas.
4 Install the transfer line to the 6 port valve. See “To Install
a Fused Silica Column into the Transfer Line”.
5 Trim the fused silica so that it extends 42 mm out of the
inner metal sleeve on the transfer line.
6 Slide the fused silica through the retaining nut on the
cool on- column inlet.
7 Finger- tighten the retaining nut. Pull the transfer line
gently to be sure the PTFE ferrule has formed a tight seal
with the transfer line. Tighten the retaining nut further, if
necessary.
Wear clean, lint-free gloves to prevent contamination of parts with
dirt and skin oils.
Be careful! The oven and/or inlet may be hot enough to cause
burns. If either is hot, wear heat-resistant gloves to protect your
hands.
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