Agilent Technologies Agilent 7890 Series Maintenance Manual page 51

WA R N I N G
Maintaining Your GC
After the column is installed at both inlet and detector,
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establish a flow of carrier gas and purge as recommended
by the column manufacturer.
Restore the analytical method.
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• For FID or FPD, immediately turn off the flame.
• For NPD, immediately turn off the bead.
After the GC becomes ready, wait 10 minutes then ignite
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the detector flame or bead.
Be careful! The oven, inlet, and/or detector may be hot enough to
cause burns. If they are hot, wear heat-resistant gloves to protect
your hands.
Allow the oven, inlet, and detector to equilibrate at
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operating temperature, then retighten the fittings.
20 Reset the EMF counter. See
the Operation Manual.
Maintaining the Split/Splitless Inlet
To Reset an EMF Counter
5
in
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