Agilent Technologies 6850 Series Service Information page 107

1. Place the appropriate Graphpack ferrule onto
the column inlet end and pull it at least
30 mm from the end.
2. With a glass knife or other fused silica
cutter, remove approximately 10 mm from
the column end to eliminate graphite contam-
ination.
2 2 2
2
0
Figure 1-38. Column installation
Released: April 2004
3. Position the ferrule so that it is 17 mm from
17 mm
Mark column here
6850 Series Gas Chromatograph Service Procedures
the column end. Place a small mark (type-
writer correction fluid is useful) at the back
of the ferrule and, making sure that the
column is correctly positioned, insert the
column end into the adapter.
107