Agilent 1100 Series Fraction Collectors User’s Guide 67
Repairing the Fraction Collector 3
Simple Repairs
2 Holding the needle assembly between your
thumb and forefinger, slide out the assembly
towards the rear of the needle carrier
assembly.
3 Insert the new needle assembly into the
holder of the needle carrier assembly. Make
sure to push it all the way to the front.
4 Using the 4 mm wrench and the
5/16“ wrench for counter-holding connect
the valve to needle tubing to the needle.
(Viewed from the bottom)
On completion of this procedure:
• Re-install the needle to the needle carrier
assembly, if you previously removed it.
Make sure to slide the needle all the way to
the front of the needle carrier assembly
(clicks into position).
• IMPORTANT: After fixing the needle in
the needle carrier clip the tubing into
the guide on the bottom of the needle
carrier assembly in case it slipped out of
this guide (see 2 left arrows on the
figure to the left).
It is absolutely vital that the tubing is
installed as described, to maximize the
lifetime of the tubing.
• Re-install the tray(s) in the tray base.
• Start the instrument.
• Close the front cover.
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