ActionStep
Unscrew the two white plastic screws located below each pump head by hand. Pull the
plastic connectors to the sides to release the inlet manifold.
3
Disconnect the tubing of the pump piston rinsing system.4
Unscrew one of the two screws of the pump head using a hex wrench. Unscrew the
second screw, and at the same time push firmly on the front of the rinse chamber to
compensate for the pressure of the piston return spring.
5
Place the pump head face down on the bench. Pull out the piston together with the return
spring.
6
346 ÄKTA pure User Manual 29119969 AB
7 Maintenance
7.8 Replacement procedures
7.8.11 Replace pump piston seals of Pump P9-S
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