21
Turn off the power of the instrument. Take out the cup and clean up it. Open the back
cover of the instrument then loosen the hose arm of the upper part of the peristaltic pump,
then close the back cover.
V. Maintenance
1. Replace the reagent
1) Replace a bottle of anhydrous ethanol when it run out ;
2) Configure a bottle of extraction when it run out and inject it into the cell;
3) Configure a bottle of neutralization when it run out and take out the bottle labeled with
neutralization, inject the neutralization into the bottle labeled with neutralization and
put it back. In this situation the instrument need re-calibration.
2. Replace the peristaltic pump tube
Open the upper cover of the instrument and turn the handle of the peristaltic pump to
the right. Replace the old pump tubing with new pump tubing, then turn the handle of the
peristaltic pump to the old position.
3. Replace the printer paper
