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32
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3. Adjustment of stroke length
(1) Power on the pump to start and adjust the discharge capacity by turning the stroke length adjustment
knob.
(2) Figure below shows the relation between the stroke length and discharge capacity.
Stroke length can be adjusted from 0 to 100 % but actually set the length between 50 and 100 %.
Caution
Do not turn the stroke length adjusting knob while pump stops.
When the pump is stopped for a long period (more than 1 month)
When the pump is stopped for a long period, clean the wet-end of pump and tubing by operating the pump
with clean water for 30 minutes before stopping the pump.
When the pump is started after stopping, if it does not suck up and discharge the liquid, clean the valve set
and remove foreign matters adhered. Do bleeding and adjust the discharge capacity.
Fixed stroke rate
100
%
75
50
25
0
25
50
75
100
%
Disch. capacity
Stroke length
