Metrohm 919 IC Autosampler plus - Manual (Page 21)

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3 Installation
919 IC Autosampler plus
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This is how you install the needle and the capillary:
1 Removing the pressure screw
Loosen and remove the pressure screw (7-3) screwed onto the nee-
dle holder.
2 Inserting the needle
￭ Insert the needle from above partway into the opening of the
needle holder (7-5).
￭ Slide the PEEK ferrule (7-4) over the needle from above. The nar-
row side of the seal must face upwards.
3 Fastening the needle
￭ Screw the pressure screw (7-3) into the needle holder. Lightly
push the needle upwards from below during the process.
￭ Tighten the pressure screw in the needle holder by hand (do not
use tools!).
4 Connecting the capillary
￭ Slide the 6.2744.070 PEEK pressure screw (7-2) over the end of
the capillary.
￭ Manually tighten the PEEK pressure screw with the capillary to the
pressure screw of the needle holder. The capillary must be pushed
in while doing so.