Replace Flow Restrictor - GE AKTA avant User Manual

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:
•
Instruction
Follow the instruction to replace the Flow restrictor.
Step
1
2
3
ÄKTA avant User Manual 29035184 AE
Flow restrictor FR-902
Action
Disconnect the tubing connected from the used Flow restrictor, and discard
the used Flow restrictor.
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).
Check the back-pressure of the new Flow restrictor, see Section 7.4 Monthly
maintenance, on page 278.
7 Maintenance
7.8 Replacement procedures

7.8.6 Replace Flow restrictor

347