74 Maintaining Your GC
5 Maintaining the Purged Packed Inlet
To Change the O-Ring on the Purged Packed Inlet
1 Gather the following:
• Replacement O-ring (See “Consumables and Parts for the
Purged Packed Inlet” on page 60.)
• Septum nut wrench
• Tweezers
• Lint-free gloves
2 Load the inlet maintenance method and wait for the GC to
become ready.
3 Loosen the top insert weldment to remove the top portion of
the inlet.
4 Use tweezers to remove the old O-ring.
5 Insert a new O-ring.
6 Install and tighten the top insert weldment.
7 Restore the analytical method.
8 Reset the EMF counter. See To Reset an EMF Counter in the
Operation Manual.
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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