To Change The Septum On The Split/Splitless Inlet - Agilent Technologies 7820A Manual

4
Maintaining the Split/Splitless Inlet

To Change the Septum on the Split/Splitless Inlet

WA RN IN G
44
Gather the following:
1
• Replacement septum. (See
the Split/Splitless Inlet"
• 0- or 00-grade steel wool (optional)
• Tweezers
Load the inlet maintenance method
2
become ready.
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.
Remove the septum retainer nut or Merlin cap.
3
Use tweezers to remove the septum or Merlin Microseal from
4
the retainer nut. Do not gouge or scratch the interior of the
septum head.
Septum retainer
nut
Firmly press the new septum or Merlin Microseal into the
5
fitting. The metal parts side of the Merlin Microseal should
face down (toward the oven).
Install the septum retainer nut or Merlin cap and
6
finger-tighten. Tighten the septum retainer nut until the
C-ring is about 1 mm above the nut.
"Consumables and Parts for
on page 36.)
and wait for the GC to
Septum
Maintaining Your GC