ActionStep
Unscrew the plastic nut of the upper check valve using an adjustable wrench, and gently
lift off the upper check valve.
4
Unscrew the two white plastic screws located below each pump head. Pull the plastic
connectors to the sides to release the inlet manifold.
5
Unscrew the lower check valve using an adjustable wrench.6
ÄKTA pure User Manual 29119969 AB 297
7 Maintenance
7.6 Maintenance when required
7.6.8 Clean the pump head check valves
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