To Clean The Split/Splitless Inlet - Agilent Technologies Agilent 7890 Series Maintenance Manual

5
Maintaining the Split/Splitless Inlet

To Clean the Split/Splitless Inlet

WA R N I N G
C A U T I O N
64
1 Gather the following:
• Replacement septum (See
the Split/Splitless Inlet"
• Replacement liner
• Replacement O- ring
• Replacement gold seal
• Replacement washer
• Solvent that will clean the type of deposits in your
inlet
• Compressed, filtered, dry air or nitrogen
• Beaker
• Cleaning brushes—The FID cleaning kit (part number
9301- 0985) contains appropriate brushes
• 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 the inlet is hot, wear heat-resistant gloves to protect your
hands.
Remove the inlet liner. (See
3
O- Ring on the Split/Splitless Inlet"
4 Disconnect the column from the inlet.
5 Remove the reducing nut and gold seal. (See
the Gold Seal on the Split/Splitless Inlet"
Place a beaker in the oven under the inlet to catch the
6
solvent.
Wear clean, lint-free gloves to prevent contamination of parts with
dirt and skin oils.
Soak a cleaning brush in the solvent and scrub the inside
7
of the inlet weldment. Repeat 10 times.
Rinse the inlet with the solvent.
8
"Consumables and Parts for
on page 44.)
and wait for the GC
"To Change the Liner and
on page 56.)
"To Replace
on page 59.)
Maintaining Your GC