DKSH LabPRO 2ml User Manual page 21

Wipe the entire pipette with a soft-cloth or lint-free

tissue impregnated with soap solution, to remove all
dirty marks. If the pipette is very dirty, a brush with
soft plastic bristles may be used.
Wipe the entire pipette and the tip-ejector with a soft

cloth or lint-free tissue soaked with distilled water.
Refit the tip-ejector and allow the pipette to dry.

Internal cleaning
The following components only can be immersed in a
cleaning solution: connecting nut, tip-ejector, tip-holder,
piston assembly, seal and O-ring.
Disassemble the pipette as described in the chapter

12A - Maintenance.
Set aside the upper part in a clean, dry place.

Clean the individual components of the lower part

of the pipette using an ultrasonic bath (20 minutes
at 50°C) or with a soft-cloth. Note that the piston
assembly and seals must be degreased with isopro-
panol or ethanol before being immersed in anoth-
er ultrasonic bath. Small round brushes with soft
plastic bristles may be used to clean the interior of
the tip-holder.
Rinse the individual components with distilled water.

Leave the parts to dry by evaporation or wipe them

with a clean soft-cloth or lint-free tissue.
Reassemble the pipette as described in the chapter

12A - Maintenance.
Cleaning for the Multichannel Models only
The pipette must be cleaned,
as described below, before
it is decontaminated. Soap
solution is recommended for
cleaning these models.
The following components
only can be immersed in a
cleaning solution: tip-ejector
and ejector spacer.
Remove the tip-ejector

and the ejector spacer.
FIGURE 19
Tip-ejector
Ejector spacer
for 10µl models only
USER'S
USER'S
GUIDE
GUIDE
21