132 Maintaining Your GC
7 Maintaining the COC Inlet
To Install an Insert on the COC Inlet
1 Gather the following:
• Lint-free gloves
• Replacement insert. (See “Consumables and Parts for the
COC Inlet” on page 120.)
2 Load the inlet maintenance method and wait for the GC to
become ready.
3 Remove the column from the inlet.
4 Locate the septum nut or cooling tower assembly at the top
of the inlet and remove it. If the septum remains in the
septum nut, do not remove it unless you want to change it. If
necessary, replace the existing septum or duckbill with a new
one. (See “To Change a Septum on the COC Inlet” on
page 130.)
5 Remove the spring from the inlet with an extraction wire (or
tweezers) and set it aside. Be careful not to lose or damage it
because you will use the spring to keep the new insert in
position.
WARNING
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.
CAUTION
Wear clean, lint-free gloves to prevent contamination of parts with
dirt and skin oils.
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