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Figure 6, Mounting the needles – Metrohm 874 USB Oven Sample Processor User Manual

Page 23

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3 Installation

874 Oven Sample Processor

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15

Mounting the injection and outlet needle

6.2816.080

6.2049.040/6.2049.050

6.2816.070

1

2

3

Figure 6

Mounting the needles

Mount the needles as follows

1 Screw the needle holder (6.2049.040 or 6.2049.050) into the distri-

butor on the guide head.

2 Screw the 6.2816.080 outlet needle onto the Luer connector of

the needle holder.

3 Carefully guide the 6.2816.070 injection needle into the opening

of the distributor from above and allow it to drop down.

Note

Take care to ensure that the white PTFE seal is positioned securely
on the needle.

4 Screw the 6.1805.470 FEP tubing by hand onto the opening of

the distributor. Screw the other end of the tube into the opening of
the gas outlet on the upper side of the tower.