Agilent Technologies Agilent 7890 Series, Maintenance Manual

Page: 83 / 354

Maintaining the Purged Packed Inlet
6
Maintaining Your GC 83
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 68.)
• 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 .
WA R N I N G
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
.
C A U T I O N
Wear clean, lint-free gloves to prevent contamination of parts with
dirt and skin oils.