GE AKTA avant - Replace Flow Restrictor

7.8.6 Replace Flow restrictor
Maintenance interval
Replace the Flow restrictor when required, for example when the back pressure of the
Flow restrictor is outside the range 0.2 ± 0.05 MPa.
Required material
The following material is required:
•
Flow restrictor FR-902
Instruction
Follow the instruction to replace the Flow restrictor.
ActionStep
Disconnect the tubing connected from the used Flow restrictor, and discard
the used Flow restrictor.
1
Connect the tubing to the new Flow restrictor. Make sure that the Flow re-
strictor connector marked IN is connected to the pH valve port ToR (To Re-
strictor), and that the Flow restrictor connector marked OUT is connected
to the pH valve port FrR (From Restrictor).
2
Check the back-pressure of the new Flow restrictor, see Section 7.4 Monthly
maintenance, on page 278.
3
ÄKTA avant User Manual 29035184 AE 347
7 Maintenance
7.8 Replacement procedures
7.8.6 Replace Flow restrictor