8 Maintaining the COC Inlet
To Install an Insert on the COC Inlet
Maintaining Your GC 131
7 Check that the insert is the correct size for both the needle and column. See “To Check the
Needle-to-Column Size on the COC Inlet” on page 127.
8 Lower the new insert straight into the inlet from the top. The insert can be installed either
end up.
9 Install the spring on top of the insert.
10 Install the septum and septum nut or duckbill septum and cooling tower assembly and
finger-tighten.
Execute the column installation procedure manually. Do not use the automated column
installation wizard.
11 Install the column. See “To Install a Capillary Column with the Cool On-Column Inlet” on
page 124.
12 Exit maintenance mode. Select Maintenance > Instrument > Perform Maintenance >
Maintenance Mode > Finished.