Agilent Technologies 6850 Series II User Information page 139

3.
Figure 28. Installing a glass insert in a purged packed inlet
4.
5.
6.
7.
Changing septa
If the septum leaks, you will see symptoms such as longer or shifting retention
times, loss of response, and/or loss of column head pressure. Additionally, the
detector signal will become increasingly noisy.
Released: March 2004
Remove the knurled nut at the top of the inlet. See
Carefully remove the old insert. A thin wire (such as a paper clip) may be
helpful when lifting the insert from the inlet. See
Using tweezers or similar tool, grasp the top of the insert and install in the
inlet with the flared end up.
If a capillary column is installed and the insert does not seat properly, you
must remove the capillary column, install the insert, and replace the
column.
Reinstall the knurled nut and tighten finger tight.
6850 Series II GC User Information
Routine Maintenance: Inlets
Maintaining a purged packed inlet
Figure 28.
Knurled nut
Flared end
Insert
Figure 28.
page 139 of 256