5 Maintaining the Split/Splitless Inlet
To Change the Liner and O-Ring on the Split/Splitless Inlet
64 Maintaining Your GC
7 Clean the inlet if there is visible or suspected contamination. See “To Clean the
Split/Splitless Inlet” on page 69.
8 Clean O-ring residue from sealing surface.
Wear clean, lint-free gloves to prevent contamination of parts with dirt and skin oils.
9 Slide a new O-ring onto the replacement liner.
10 Return the liner to the inlet, pushing it all the way in until the liner contacts the gold seal.
11 Line up the tab on the bottom of the insert assembly with the slot on the inlet body and
push down to connect. Slide the locking tab to the back.
12 Turn on the inlet. Allow the inlet and column to purge with carrier gas for 15 minutes before
heating the inlet or the column oven.
13 Bakeout contaminants. See “To Bakeout Contaminants from the Split/Splitless Inlet” on
page 71.
14 Configure the new column.
15 The GC maintenance wizard will perform checks at the appropriate times, including Leak &
Restriction tests, and will automatically reset the maintenance counters.
16 Select Finished, then select OK to exit the GC maintenance wizard.
17 Restore the analytical method.
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