Metrohm 872 Extension Module Sample Prep - Manual (Page 22)

3.7 Peristaltic pump ￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭
14 ￭￭￭￭￭￭￭￭ 872 Extension Modul – Sample Prep
6
1 4
3
2
5
7
Figure 7 Peristaltic pump
1 Knurled screw in the mounting pin 2 Roller hub
3 Rollers 4 Cartridge holder
5 Tubing cartridges 6.2755.000 6 Contact pressure lever
7 Snap-action lever
3.7.2 Installing the peristaltic pump
Note
Depending on the application of the peristaltic pump, either a
6.2744.180 pump tubing connection with filter or a 6.2744.160 pump
tubing connection without filter can be used on the pressure side.
For pumping the auxiliary solutions to the MSM or to the SPM, a
6.2744.180 pump tubing connection with filter must be used.