63
10.1. Cleaning the tip cone
1. Remove the ejection collar: Gently twist it anti-
clockwise and slide off (Fig. 9). Remove
fi
lter i
fi
tted.
2. Using Biohit Proline Biocontrol or ethanol and
soft lintfree cloth, disinfect the tip ejector collar
and the tip cone.
3. Unscrew, anti-clockwise, the nose cone and
remove it, exposing the piston (Fig.10). If the
piston is sticked to the tip cone remove it with a
pair of tweezers.
4. To avoid scratching the surface of the piston
use Biohit Proline Biocontrol or ethanol and a
lint-free tissue when cleaning the piston. Let the
parts dry.
5. Grease the piston thinly with the grease provided.
Do not use any other grease. Check that no lint or
particles are on the surface of the piston. Avoid
excess grease, especially at the bottom of the
piston.
Note:
For complete decontamination place the tip
cone, tip ejector collar, piston, O-ring and spring into a beaker containing
Biohit Proline Biocontrol and leave for at least 30 minutes, rinse the parts
with distilled water, then dry preferably with warm air.
6. Reassemble the pipette by screwing the piston in its place and replace
the tip ejector collar allowing the ejector handle connection to snap into
the attachment notch of the ejector collar. Replace new
fi
lter i
fi
tted.
7. Test the pipette by pressing the START-button severel times. Test the
tip ejector operation.
Note:
Check the performance of your Biohit Proline pipette regularly e.g.
every 3 months and always after in-house service or maintenance.
10.2. Battery Replacement
If the battery does not hold a suf
fi
cient charge for proper operation of the
pipette, follow these steps for replacement of the battery.
1. Switch the unit “OFF”.
2. Remove the top two screws on the back of the pipette and remove the
battery cover (Fig. 11).
3. Carefully remove the battery by lifting it straight out of the holder.
Fig. 9
Fig. 10
