Cleaning The Tip Cone - 3M Pipettor II Manual De Instrucciones

(English)

7.5. Cleaning the Tip Cone

Weekly cleaning of the tip cone is recommended. however, with heavy use, clean more frequently. If liquid enters the shaft, clean the tip cone
immediately.
Disassembling:
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1. Remove the battery pack (1).
2. Unscrew the tip ejector collar (2) counter-clockwise and remove it.
3. Unscrew the black tip ejector assembly (3) counter-clockwise and remove it.
4. Unscrew the exposed piston (4) counter-clockwise and remove it.
5. Moisten a soft, lint-free wipe with 70% ethanol and gently clean the exposed parts. The interior of the tip ejector collar and tip cone can be
cleaned with a cotton swab.
6. Let the parts dry.
7. Apply a thin layer of grease to the surface of the piston (4) on the black seal at the lower part of the piston.
Reassembling:
8. Attach the piston (4) by screwing it clockwise.
9. Attach the black tip ejector assembly (3). Replace the tip cone filter.
10. Attach the tip ejector collar (2) by screwing it clockwise.
11. Replace the battery pack (1). Reset the pipettor and press the start button several times to test the movement. Test the tip ejector operation.
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