Specifications

www.agilent.com/chem
•
800 227 9770
10
AUTOSAMPLER MAINTENANCE
Exchanging the Needle Seat
(See manual for well-plate Autosampler)
• Select “Change Needle” under “Maintenance Function.”
• Remove the front cover when the needle is positioned
approximately 15 mm over the needle seat.
1. Disconnect the seat
capillary from the
injection valve (port 5).
2. Use a small, flat
screwdriver to ease
out the needle seat.
3. Move the needle arm to
the lowest point using
the “Needle Down“
f
unction.
Install the new needle.
Align the needle above
the needle seat.
Reconnect the
sample loop.
4. Situate the needle
approximately 2 mm
above the seat using the
“
Needle Up” function.
Ensure the needle is
aligned with the seat.
3. Insert the new needle-
seat assembly.
Press the seat firmly
into position.
Connect the seat-
capillary fi
tting to port 5
of the injection valve.
4. Use the “Needle Down”
button to position the
needle above the seat,
making sure the needle
and seat are
properly aligned.
Install the front cover
and select “END” under
“Maintenance Function.”
Before beginning this procedure: