To Install An Insert On The Coc Inlet - Agilent Technologies 8890 Maintaining Manual

7 Maintaining the COC Inlet

To Install an Insert on the COC Inlet

To Install an Insert 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
WAR N IN G
heat-resistant gloves to protect your hands.
Wear clean, lint-free gloves to prevent contamination of parts with dirt and skin oils.
C AU T I O N
3 Remove the column from the inlet.
4 Locate the septum nut or cooling tower assembly at the top of the inlet and remove it. If
5 Remove the spring from the inlet with an extraction wire (or tweezers) and set it aside. Be
6 Remove the existing insert from the inlet by gently pushing it out from below with a wire or
112
• Lint-free gloves
• Replacement insert, see
page 102.
Maintenance Mode > Start Maintenance. Wait for the GC to become ready.
the septum remains in the septum nut, do not remove it unless you want to change it. If
necessary, replace the existing septum or duckbill with a new one. See
Septum on the COC Inlet"
careful not to lose or damage it because you will use the spring to keep the new insert in
position.
piece of column. Store the insert for possible later use.
"Consumables and Parts for the Cool On-Column Inlet"
on page 110.
on
"To Change a
Maintaining Your GC