Agilent Technologies 6850 Series II User Information page 121

Caution Do not add an O-ring or other seal either at the bottom of the inlet or at the
bottom of the liner; this will damage the inlet and shatter the liner.
8.
9.
Liner
Insert retaining nut
Figure 25. Installing a liner
Table 24. O-Rings for the Split/Splitless Inlet
Description
Viton O-ring for temperatures up to 350°C
Graphite O-ring for split liner (temperatures above 350°C)
Graphite O-ring for splitless liner (temperatures above 350°C)
Changing septa
If a septum leaks, you will see symptoms such as longer or shifting retention
times, loss of response, and/or loss of column head pressure. Signal noise will
increase.
Released: March 2004
Replace the insert retainer nut, tightening it to firm finger tightness. Do not
overtighten.
Pressure check the inlet. Retighten if necessary.
6850 Series II GC User Information
Routine Maintenance: Inlets
Maintaining a split/splitless inlet
O-ring
2 to 3 mm
from top
Part no.
5181—4182
5180—4168
5180—4173
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