Agilent Technologies 1290 Infinity User Manual page 80

3
LC Injector HTC/HTS Description and Installation
Installation
5 Tighten the holding screw to secure the syringe holder position.
6 Insert the syringe needle tip into the Z-axis lower needle guide, then move
The removable needle must be fixed leak-tight to the syringe. A Teflon seal is provided.
N O T E
When installing the seal, ensure first that the hole is open, that no fuzzy (lint) polymer
material, which could clog the needle, is in the path. When slipping the Teflon seal over the
needle, attention must be paid to the sharp edges of the needle that could cut into the
polymer. Again, this could clog the needle.
7 Move the lower needle guide carefully up and down to make sure that the
80
the needle back up to the DLW Needle Holder Assembly and tighten firmly.
needle tip does not catch on the guide.
Figure 31 Inserting the DLW Syringe Needle
Agilent 1290 Infinity LC Injectors HTC/HTS User Manual