To Bakeout The Fid - Agilent Technologies Agilent 7890 Series Maintenance Manual

To Bakeout the FID

WA R N I N G
WA R N I N G
Maintaining Your GC
If using hydrogen as a carrier gas, turn off the hydrogen supply
and cap the end of the column to prevent an oven explosion.
Bakeout the FID with the column installed or uninstalled.
1
If uninstalled, gather the following (see
Parts for the FID"
• Capillary adapter (adaptable FID only)
• Column nut
• No- hole ferrule
Load the GC maintenance method
2
become ready.
Be careful! The detector may be hot enough to cause burns. If the
detector is hot, wear heat-resistant gloves to protect your hands.
If the column is uninstalled, plug the detector connection
3
with the capillary adapter, column nut, and no- hole
ferrule.
Maintain inert carrier gas flow through the column, or
remove the column from the GC.
4 Set the detector temperature at 350 to 375 °C.
5 Set normal operating flows.
Light the FID flame.
6
Set the oven temperature to 250 °C or 25 °C above the
7
normal maximum operating temperature. Do not exceed
the column's temperature limit.
Maintaining the FID
on page 196):
and wait for the GC to
11
"Consumables and
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