Maintaining the Packed Column Inlet 6
Maintaining Your GC 105
To Clean the Packed Column Inlet
1 Gather the following:
• Replacement O-ring (See “Consumables and Parts for the
Packed Column Inlet” on page 92.)
• Replacement glass liner
• Replacement septum
• Solvent that will clean the type of deposits in your inlet
• Compressed, filtered, dry air or nitrogen
• Beaker
• Cleaning brushes—The FID cleaning kit (part number
9301-0985) contains appropriate brushes
• Lint-free gloves
2 Load the inlet maintenance method and wait for the GC to
become ready.
3 Remove the column.
4 Remove the septum nut and septum.
5 Remove the top insert weldment.
6 Remove the glass liner and O-ring.
7 If used, remove the adapter.
8 Ultrasonically clean the septum nut, top insert weldment,
and adapter (if used) in a suitable solvent.
9 Place a beaker in the oven under the inlet to catch the
solvent.
10 Soak a cleaning brush with the solvent and vigorously scrub
the interior walls of the inlet.
11 Blow the inside of the inlet dry with compressed air or
nitrogen.
WARNING
Be careful! The oven and/or inlet may be hot enough to cause
burns. If the inlet 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.
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