To Change The Liner And O-Ring On The Split/Splitless Inlet - Agilent Technologies 7820A Manual

4
Maintaining the Split/Splitless Inlet

To Change the Liner and O-Ring on the Split/Splitless Inlet

WA RN IN G
48
Gather the following:
1
• Replacement O-ring (See
Split/Splitless Inlet"
• Replacement liner
• Tweezers
• Lint-free gloves
Load the inlet maintenance method
2
become ready.
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.
Unscrew the insert nut from the inlet body. Lift the septum
3
assembly straight up and away from the inlet to avoid
chipping or breaking the liner.
If using a Flip-Top inlet, lift the lever arm.
Liner and O-ring in inlet
4 Loosen the O-ring from the sealing surface with tweezers.
5 Grasp the liner with tweezers and pull it out.
6 Inspect the surface of the gold seal for graphite or rubber
septum contamination. If required, replace the gold seal.
(See "To Replace the Gold Seal on the Split/Splitless Inlet"
page 50.)
"Consumables and Parts for the
on page 36.)
and wait for the GC to
Maintaining Your GC
on