Agilent Technologies 7000 Series Operating Manual page 83

4 Installing 7890 GC Columns
To Install a Capillary Column in the GC/MS Interface Using the Self-Tightening Column Nut
10 Adjust the column so it extends this specified distance from the end of the
Column extends 1-2 mm
Figure 20. Installing a capillary column in the GC/MS interface for an
Column extends 4-5 mm
Figure 21. Installing a capillary column in the GC/MS interface for an
7000/7010 Series TQ GC/MS Operating Manual
transfer line. (See Figure 20

For an EI XTR or CI Source Installation, the column extends about 1 to 2 mm.
(See Figure 20.)
For an EI HES Installation, the column extends about 4 to 5 mm. (See

Use the flashlight and magnifying loupe, if necessary, to see the end of the
column inside the analyzer chamber. Do not use your finger to feel for the
column end.
GC/MS interface
GC/MS interface
and Figure 21 on page 83.)
EI XTR
or a
EI HES
Figure 21.)
Tip seal
CI
source
Tip seal holder
83