180 1290 Infinity Quaternary Pump User Manual
9
Maintenance
Pump Head Maintenance (Tool Free)
13
Pull out the Seal Handling Device with the piston seal in
a straight movement with only gentle force.
14
Repeat for the other pump chamber.
15
Screw the pin of the seal handling device into the wash
seal.
The seal holder has two different sides. The black
backup ring is supporting the piston seal and must
not be removed. The side with the backup ring has
a bigger diameter and a sharp edge to hold the
piston seal. The other side has no sharp edge and
holds the smaller wash seal.
16
Pull out the Seal Handling Device with the wash seal in a
straight movement with only gentle force.
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