Pump P9H
DescriptionPartDescriptionPart
Piston seal7Piston1
Outlet check valve8Return spring2
O-ring9Pump membrane housing3
Purge valve10Star screws4
Star screws11O-ring5
Inlet check valve12Support washer6
Star screws13
Disassemble the pump head
ActionStep
Make sure that no run is in progress on the instrument.1
Disconnect the tubing from the pump head, and disconnect the pump inlet
tubing.
2
154 ÄKTA avant Operating Instructions 29101556 AB
7 Maintenance
7.2 Replace pump piston seal, O-rings, and rinse membrane of Pump P9 or Pump P9H