Maintaining the MMI 8
Maintaining Your GC 143
Clean the inlet if there is visible or suspected
contamination. (See “To Clean the Multimode Inlet” on
page 147.)
Clean O- ring residue from sealing surface.
7 Slide a new O- ring onto the replacement liner.
8 Return the liner to the inlet, pushing it all the way in
until the liner contacts the seal.
9 Line up the tab on the bottom of the septum assembly
with the slot on the insert assembly and push down to
connect. Slide the locking tab to the back.
10 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.
11 Bakeout contaminants. (See “To Bakeout Contaminants
from the MMI” on page 149.)
12 Restore the analytical method.
13 Reset the liner counter. See To Reset an EMF Counter in
the Operation Manual.
14 If using the optional barcode scanner, scan the liner
information directly into your data system software
configuration, then download the changes to the GC.
15 Check for leaks.
Wear clean, lint-free gloves to prevent contamination of parts with
dirt and skin oils.
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