Metrohm 754 Dialysis Unit User Manual
Page 36
4.2 Maintenance and servicing
754 Dialysis Unit
33
5 Close dialysis cell
•
Place top part
38
38 on bottom part 35
35 so that both parts lie
flush.
•
Screw the 5 screws
39
39 in all the way in and tighten using the
6.2621.070 Allen key.
6 Attach dialysis cell
•
Place the assembled dialysis cell
34
34 in cell holder 66 of the
754 Dialysis Unit.
7 Connect dialysis cell
•
Screw PEEK capillary
24
24 to inlet opening 42
42 of the bottom
part
35
35 of the cell.
•
Screw PEEK capillary
25
25 to outlet opening 41
41 of the bottom
part
35
35 of the cell.
•
Screw PTFE capillary
33
33 to inlet opening 43
43 of the top part 38
38
of the cell.
•
Screw PTFE capillary
45
45 to the outlet opening 44
44 of the top
part
38
38 of the cell.
8 Condition dialysis membrane
•
Immerse suction tubings
26
26 and 27
27 in the acceptor solution,
switch on pump with the
1
1 and rinse the di-
alysis system with acceptor solution for approx. 20 min.
Check that the solution flows steadily from the two lines into
the waste bottle.
•
Check all tubings between the storage vessels, the tubing
cartridges, the dialysis cell and the waste bottles for leaks. If a
leak occurs anywhere, tighten or replace the connection in
question.
•
Switch off pump with the
11.