ActionStep
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.
2
With the pump head facing downwards on the bench, place the rinse
chamber onto the front section of the pump head with the rinse ports in line
with the check valves. The conical depression in the rinse chamber shall be
facing upwards. Wet a new membrane with 20% ethanol, and place the
membrane into the rinse chamber with the conical face upwards.
3
Assemble the pump head
Make sure to assemble the pump head correctly. Refer to Illustrations, on page 153.
ActionStep
Place the drain plate on top of the assembly. Screw the two screws through
the drain plate and the rinse chamber using a cross-headed screwdriver.
1
168 ÄKTA avant Operating Instructions 29101556 AB
7 Maintenance
7.3 Replace pump piston seal, O-ring, and rinse membrane of Pump P9-S
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