To Replace The Μecd Fused Silica Indented Mixing Liner And Install The Makeup Gas Adapter - Agilent Technologies 7820A Manual

To Replace the µECD Fused Silica Indented Mixing Liner and Install the
Makeup Gas Adapter
WA RN IN G
WA RN IN G
C AU TI O N
Maintaining Your GC
Gather the following:
1
• Fused silica indented mixing liner (See
Parts for the µECD"
• 1/4-inch Swagelok nut
• 1/4-inch Vespel/graphite ferrule
• 9/16-inch wrench
• Methanol
• Lint-free gloves
2 Load the GC maintenance method
become ready.
Be careful! The oven and/or detector may be hot enough to cause
burns. If the detector is hot, wear gloves to protect your hands.
Wear safety glasses to protect your eyes from flying particles
while handling, cutting, or installing glass or fused silica capillary
columns. Use care in handling these columns to prevent puncture
wounds.
Remove the insulating cup from the detector base.
3
Remove the column from the makeup gas adapter.
4
To prevent damage avoid flexing/bending the tubing on the makeup
gas adapter.
Remove the makeup gas adapter.
5
Loosen the adapter nut with a wrench and slide out the
a
makeup gas adapter from the µECD. Remove the ferrule.
The makeup gas adapter will remain attached to the
supply tubing and hang suspended in the oven.
Adjust the adapter's position so that maintenance can be
b
performed on the adapter easily and without obstruction.
Maintaining the µECD
"Consumables and
on page 194.)
and wait for the GC to
10
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