BRAND Transferpette S Instrucciones De Manejo página 55

c.
Check the device for leaks.
We recommend using the leak detector of BRAND, the BRAND PLT unit. As
an alternative to this, aspirate a sample and hold the instrument vertically
for approx. 10 s. If a drop forms on the pipette tip, refer to Troubleshoot-
ing, p. 56 .
Cleaning
S
F
F'
K
Transferpette® S 997207
a.
Remove the entire shaft (S) from the
F
handle by rotating at the upper end
of the ejector (F) and remove the fil-
I
ter (K) from the bottom part of the
shaft (H).
G
b.
Separate the bottom part of the ejec-
tor (F') by unscrewing it from the up-
O
per part of the ejector (F).
c.
Unscrew and dismantle the piston
H
unit (G) with the ejector spring (I) and
the bottom part of the shaft (H).
F'
d.
Remove the O-ring-seal from the pis-
ton unit and clean it.
Do not disassemble the piston unit (G)
any further!
e.
Clean the piston unit (G) and the bot-
tom part of the shaft (H) with a soap
solution or isopropanol, and then
rinse with distilled water.
f.
Dry the parts (max. 120 °C/248 °F) and
allow them to cool.
NOTICE
Operating manual
55