To Clean The Coc Inlet - Agilent Technologies Agilent 7890 Series Maintenance Manual

7
Maintaining the COC Inlet

To Clean the COC Inlet

WA R N I N G
WA R N I N G
C A U T I O N
116
1 Gather the following:
• 1/4- inch and 5/16- inch wrenches
• Cleansing bath
• Aqueous detergent
• Distilled water
• Methanol
• Compressed, filtered, dry air or nitrogen
• Lint- free gloves
Load the inlet maintenance method
2
to become ready.
Be careful! The oven and/or inlet may be hot enough to cause
burns. If either is hot, wear heat-resistant 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.
Wear clean, lint-free gloves to prevent contamination of parts with
dirt and skin oils.
3 Remove the column.
4 Remove the septum nut or cooling tower and then remove
the septum.
Remove the existing insert from the inlet by gently
5
pushing it out from below with a wire or piece of column.
Store the insert for possible later use.
and wait for the GC
Maintaining Your GC