Agilent Technologies 7820A Manual page 42

4
Maintaining the Split/Splitless Inlet
42
4%6 mm
10 Thread the column nut into the inlet but do not tighten.
Adjust the column position so that the septum contacts the
11
bottom of the column nut. Finger-tighten the column nut
until it begins to grip the column.
Tighten the column nut an additional 1/4 to 1/2 turn with a
12
wrench so that the column cannot be pulled from the fitting
with gentle pressure.
Configure the new column.
13
Condition the column per the manufacturer's
14
recommendation. (See
Install the column into the detector. See:
15
To Install a Capillary Column in the FID
•
• To Install a Capillary Column in the NPD
• To Install a Capillary Column in the TCD
• To Install a Capillary Column in the µECD
• To Attach a Capillary Column to the FPD
16 After the column is installed at both inlet and detector,
establish a flow of carrier gas and purge as recommended by
the column manufacturer.
17 Restore the analytical method.
• For FID or FPD
• For NPD, immediately turn off the bead.
To Condition a Capillary
+
, immediately turn off the flame.
Column.)
+
Maintaining Your GC