Agilent Technologies Agilent 7890 Series Maintenance Manual page 171

Maintaining Your GC
Silver seal
Graphpak inlet adapter
Column nut
Ferrule for Graphpak adapter
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.
Install the column. (See
7
with the PTV Inlet"
Check the adapter for leaks.
8
9 Restore the analytical method.
10 Reset the silver seal EMF counter. See
Counter in the Operation Manual.
Maintaining the PTV Inlet
"To Install a Capillary Column
on page 155.)
To Reset an EMF
9
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