6.6.1 Pump calibration
Introduction
Pumps are multiple head diaphragm pumps. Each pump is provided with adjustment
knobs controlling the stroke length of the pump head cylinders.
Check the stroke length
The stroke length is factory set to maximum for optimum performance according to the
system specifications and should never be changed by the user.
It is recommended to check the stroke length setting on a regular basis to make sure
that it is set correctly. To achieve maximum stroke length, all knobs for all pumps shall
be set to the outermost index. The illustration below shows an example of a knob that
is set to its outermost index:
152 ÄKTAprocess Operating Instructions 29-0252-49 AA
6 Maintenance
6.6 Repair and calibration
6.6.1 Pump calibration
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