114 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 102.)
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 112.)
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.
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.
Wear clean, lint-free gloves to prevent contamination of parts with
dirt and skin oils.
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