ActionStep
Replace the lower check valve with a new one.9
Tighten the nut until fully finger-tight and then use the adjustable wrench to tighten a
further 180 degrees.
10
Refit the inlet manifold and reconnect the tubing to the pump head.11
334 ÄKTA pure User Manual 29119969 AB
7 Maintenance
7.8 Replacement procedures
7.8.9 Replace the pump head check valves
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