BASIC
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9.3.
PERISTALTIC PUMP HEAD REPLACING
FIRST OF ALL, DISCONNECT THE BASIC TRANSFORMER FROM THE MAINS.
- Remove the peristaltic pump tube out from the flow-through cuvette.
- Press, with your fingers on two clips located on each side of the peristaltic pump head (see drawing
above).
- Slide backwards the peristaltic pump head.
- Insert a new peristaltic pump head on the motor axis.
- Slide it forwards until you heard a “click”.
- Install the tube on flow-through cuvette.
- Try to aspirate distilled water.
- Verify the aspiration volumes.
PROBLEM
The peristaltic pump does not aspirate the sample.
FIRST INTERVENTION
- Verify if the peristaltic pump head is correctly “clipped”.
- Verify the tubes setting.
- Verify aspiration volume.
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