Labconco ScrubAi Pipette Washer/Dryer 46120 Series - Manuel (Page 28)

Chapter 5: Maintaining Your Washer/Dryer
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If your water has a high mineral content, film or spots may develop on the washer
interior. If the procedures listed above do not eliminate the film or spots, you
may run your washer through the special cycle below.
To remove film or spots from the washer interior:
1. Place several pipettes (5 to 10) in the washer distributed as evenly as possible.
2. Select User 1 program.
3. Carefully pour ½ cup of bleach into the sump.
4. Replace the clear cover and run the program. Let the washer go through the
wash and one rinse and drain.
5. When the washer fills for the second rinse, carefully remove the clear cover
and add one cup of 4-8% acetic acid (or white vinegar) into the sump.
6. Replace the clear cover and allow the cycle to finish without further
interruption.