
7.8.7
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.
Action
Step
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 restrictor connector
marked IN is connected to the pH valve port ToR (To Restrictor), 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 269.
3
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ÄKTA pure User Manual 29119969 AB
7 Maintenance
7.8 Replacement procedures
7.8.7 Replace Flow restrictor
Summary of Contents for AKTApure
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