GE AKTA avant Operating Instructions Manual page 159

Step
3
4
ÄKTA avant Operating Instructions 29101556 AB
7.2 Replace pump piston seal, O-rings, and rinse membrane of Pump P9 or Pump P9H
Action
Place the support washer on top of the new seal in the front section of the
pump head. Screw the two or four screws of the support washer. Make sure
to tighten the screws fully.
Pump P9
Wet a new O-ring, 21.4 x 1.6 mm, with 20% ethanol. Fit the O-ring around
the support washer.
Pump P9
7 Maintenance
Pump P9H
Pump P9H
159