Care and Maintenance
Care and Maintenance
The 3M Electronic Pipettor - 5mL requires regular cleaning to ensure
Cleaning the Tip Cone
Monthly tip cone cleaning is recommended. However, with heavy use, clean more frequently. If liquid enters the shaft, clean tip cone immediately.
1.Switch the unit “OFF”.
2.Remove the tip ejector collar: Hold down the tip ejector lever and twist off the tip ejector collar.
3.Use a soft,
4.Replace the tip ejector collar allowing the ejector handle connection to snap into the attachment notch of the ejector collar.
tip cone
filter
ejector collar
Page 12 of 15 - June 2001
Care and Maintenance
Filter Replacement
If the pipettor is not performing due to a clogged filter or if sample fluid has contaminated the filter, the filter should be replaced.
1.Remove the contaminated or clogged filter by simply pulling it straight out of the end of the tip cone (see Figure 1).
2.Clean the outside surface and the inner filter placement surface of the tip cone using a swab moistened with ethanol (see Figure 2).
Removing Contaminated or | Cleaning the Tip Cone Before |
Clogged Filter from Tip Cone | Installing New Filter |
Figure 1 | Figure 2 |
3.Place the pipettor in the charging stand for 15 minutes to allow drying of the tip cone.
4.Place a new filter into the tip cone (see Figure 3).
Figure 3
23 | 24 |
