Clean The Drain Piping; Replace The Peristaltic Pump Tubing - Hach EZ Serie Manuel De L'utilisateur

Figure 10 Analysis vessel
1 Analysis vessel

9.9 Clean the drain piping

Make sure that the external drain piping does not have a blockage. Clean if necessary.

9.10 Replace the peristaltic pump tubing

The peristaltic pump is used to:
• Drain and rinse the analysis vessel.
• Add the cleaning and validation solution and the sample.
• Remove the excess of sample when used as a leveling system.
The peristaltic pump has a motor and a peristaltic pump head. Replace the peristaltic pump tubing
regularly for the best analyzer performance. Refer to the illustrated steps that follow.
Note: When the procedure is complete, set the pump to on to make sure the pump operates correctly.
English 29