To Clean The Septum Seat In The Insert Assembly Of The Split/Splitless Inlet - Agilent Technologies 7820A Manual

4
Maintaining the Split/Splitless Inlet

To Clean the Septum Seat in the Insert Assembly of the Split/Splitless Inlet

WA RN IN G
46
Gather the following:
1
• Replacement septum (See
Split/Splitless Inlet"
• 0- or 00-grade steel wool (optional)
• Tweezers
• Compressed, filtered, dry air or nitrogen
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.
3 Unscrew the insert nut from the inlet body. Lift the septum
assembly straight up and away from the inlet to avoid
chipping or breaking the liner.
Split/splitless insert nut
4 Remove the septum retainer nut or Merlin cap.
5 Use tweezers to remove the septum or Merlin Microseal from
the retainer nut. (See
Split/Splitless Inlet"
6 Scrub the residue from the retainer nut and septum holder
with a small piece of rolled-up steel wool and tweezers. Do
not do this over the inlet.
"Consumables and Parts for the
on page 36.)
and wait for the GC to
"To Change the Septum on the
on page 44.)
Maintaining Your GC