Metrohm 872 Extension Module Sample Prep - Manual (Page 24)

3.7 Peristaltic pump ￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭￭
16 ￭￭￭￭￭￭￭￭ 872 Extension Modul – Sample Prep
3 Connecting the pressure side
Note
Depending on the use of the peristaltic pump, on the pressure side
you can either:
￭ Case A:connect a 6.2744.180 pump tubing connection with
filter (see Figure 9, page 16) or
￭ Case B:connect a 6.2744.160 pump tubing connection with-
out filter (see Figure 10, page 16).
Case A: 6.2744.180 Pump tubing connection with filter:
1 2
3
Figure 9 Install pump tubing with filter
1 Union nut 2 Adapter
3 Tubing olive with filter holder
￭ Slide the union nut (9-1) onto the pump tubing.
￭ Select a suitable adapter (9-2) and slide it onto the pump tubing.
The type of adapter depends on the pump tubing (see Table 1,
page 17).
￭ Place tubing olive with filter holder (9-3) onto the pump tubing.
￭ Screw union nut (9-1) onto the tubing olive (9-3).
or
Case B: 6.2744.160 Pump tubing connection without filter:
1 2
3
Figure 10 Install pump tubing without filter
1 Union nut 2 Adapter
3 Tubing olive
￭ Slide the union nut (10-1) onto the pump tubing.