To Check The Needle-To-Column Size On The Coc Inlet - Agilent Technologies 8860 Maintaining

8 Maintaining the COC Inlet

To Check the Needle-to-Column Size on the COC Inlet

To Check the Needle-to-Column Size on the COC
Inlet
1 Gather the following:
2 Place GC in maintenance mode: Maintenance > Instrument > Perform Maintenance >
Be careful! The oven and/or inlet may be hot enough to cause burns. If either is hot, wear
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heat-resistant gloves to protect your hands.
Wear safety glasses to protect your eyes from flying particles while handling, cutting, or
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installing glass or fused silica capillary columns. Use care in handling these columns to
prevent puncture wounds.
3 Check that the needle is the correct size for the desired column id. If needed, replaced the
4 Identify the correct insert for the column size. See
5 Make a clean cut on the end of the column. See
6 Insert the column into one end of the insert.
Syringe
Insert
Column
7 Insert the syringe needle through the other end of the insert and into the column. The
8 Exit maintenance mode. Select Maintenance > Instrument > Perform Maintenance >
Maintaining Your GC
• Insert, see "Consumables and Parts for the Cool On-Column Inlet"
• Syringe needle
Maintenance Mode > Start Maintenance. Wait for the GC to become ready.
needle with one of the correct size. See
Inlet" on page 120, and "To Replace a Needle in a Syringe"
the Fused Silica Needle in a Syringe for the COC Inlet"
On-Column Inlet" on page 120. Use the insert that is the same size as the syringe needle to
verify that the column you plan to use is the correct size.
Cool On-Column Inlet" on page 124.
needle should visibly enter the column without any obstruction. If the needle cannot pass
easily into the column, reverse the insert to try the needle and column in the other end.
Maintenance Mode > Finished.
"Consumables and Parts for the Cool On-Column
on page 135 or
on page 136.
"Consumables and Parts for the Cool
"To Install a Capillary Column with the
on page 120.
"To Replace
127