Agilent Technologies Agilent 7890 Series Maintenance Manual page 214

11
Maintaining the FID
C A U T I O N
WA R N I N G
214
Do not overtighten the jet! Overtightening may permanently deform
and damage the jet, the detector base, or both. The torque
specification is 10 inch-pounds.
9 Carefully screw the jet into the housing. Tighten 1/6- turn
past finger- tight (1/6- turn is one "flat" on a typical
screwdriver handle, or the jet head).
Install the collector assembly. (See
10
Collector Assembly"
Reset the jet counter. See
11
the Operation Manual.
Attach the capillary column to the detector.
12
Install the column in the detector. (See
a
Capillary Column in the FID"
After the column is installed at both inlet and detector,
b
establish a flow of carrier gas and purge as
recommended by the column manufacturer.
Check the FID leakage current. (See
c
Leakage Current"
d Bakeout the detector. (See
page 229.)
Restore the analytical method.
e
Be careful! The oven, inlet, and/or detector may be hot enough to
cause burns. If the oven, inlet, or detector is hot, wear
heat-resistant gloves to protect your hands.
"To Replace the FID
on page 209.)
To Reset an EMF Counter
on page 205.)
"To Check the FID
on page 224.)
"To Bakeout the FID"
in
"To Install a
on
Maintaining Your GC