GE AKTA avant Operating Instructions Manual page 158

7 Maintenance
7.2 Replace pump piston seal, O-rings, and rinse membrane of Pump P9 or Pump P9H
Replace O-rings, piston seal and
pump membrane housing
Step
1
2
158
Action
Unscrew the purge valve of the pump head. Replace the O-ring on the purge
valve with a new O-ring, and screw the purge valve back into the pump
head.
Note:
Always use Lubricant 56686700 when exchanging the O-ring 3 x 1 mm.
Wet a new seal with 20% ethanol. Place the new seal in the hole in the front
section of the pump head and press it into position.
Pump P9 Pump P9H
ÄKTA avant Operating Instructions 29101556 AB