9 Maintaining the PTV Inlet
To Replace the Inlet Adapter for the PTV Inlet
Maintaining Your GC 159
5 Remove the inlet adapter and discard the old silver seal.
6 Insert a new silver seal into the adapter and finger-tighten the adapter onto the inlet.
Tighten an additional 1/16 to 1/8 turn with a wrench; overtightening will damage the inlet.
7 Install the column. See “To Install a Capillary Column with the Programmable
Temperature Vaporization Inlet” on page 147.
8 Check the adapter for leaks.
9 Reset the silver seal EMF counter.
10 Perform an inlet Leak & Restriction test and reset the maintenance counters.
11 Exit maintenance mode. Select Maintenance > Instrument > Perform Maintenance >
Maintenance Mode > Finished.
12 Restore the analytical method.
Silver seal
Graphpak inlet adapter
Column nut
Ferrule for Graphpak adapter
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