User guide

4.2 Maintenance and servicing

754 Dialysis Unit

Close dialysis cell

• Place top part 3838 on bottom part 3535 so that both parts lie

flush.

• Screw the 5 screws 3939 in all the way in and tighten using the

6.2621.070 Allen key.

Attach dialysis cell

• Place the assembled dialysis cell 3434 in cell holder 66 of the

754 Dialysis Unit.

Connect dialysis cell

• Screw PEEK capillary 2424 to inlet opening 4242 of the bottom

part 3535 of the cell.

• Screw PEEK capillary 2525 to outlet opening 4141 of the bottom

part 3535 of the cell.

• Screw PTFE capillary 3333 to inlet opening 4343 of the top part 3838

of the cell.

• Screw PTFE capillary 4545 to the outlet opening 4444 of the top

part 3838 of the cell.

Condition dialysis membrane

• Immerse suction tubings 2626 and 2727 in the acceptor solution,

switch on pump with the <PUMP> key 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 <PUMP> key 11.