Metrohm 872 Extension Module Liquid handling - Manual (Page 40)

5.5 Peristaltic pump
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872 Extension Module – Liquid handling
1 2
3
Figure 21 Install pump tubing connection without filter
1 Union nut 2 Adapter
3 Tubing olive
￭ Slide union nut (21-1) onto the pump tubing.
￭ Select a suitable adapter (21-2) and slide it onto the pump tubing.
The type of adapter depends on the pump tubing (see Table 1,
page 32).
￭ Place the tubing olive (21-3) onto the pump tubing.
￭ Screw the union nut (21-1) onto the tubing olive (21-3).
4 Inserting the pump tubing
￭ Press the contact pressure lever all the way down.
￭ Place the pump tubing in the tubing cartridge. The stoppers
(19-3) must snap into the corresponding holders of the tubing
cartridge.
5 Inserting the tubing cartridge
￭ Hang the tubing cartridge in the mounting pin and press in the
cartridge holder until the snap-action lever snaps in.
6 Connecting the capillaries
￭ Screw the respective capillaries tightly to the two tubing olives
with PEEK pressure screws (19-1).
Table 1 Pump tubings and suitable adapters
Pump tubing Adapter
6.1826.020 (blue/blue)
6.1826.310 (orange/green)
6.1826.320 (orange/yellow)
6.1826.330 (orange/white)