Disassembling/Cleaning (Transferpette® S 2 Ml - 10 Ml) - BRAND Transferpette S Instrucciones De Manejo

10.2 Disassembling/cleaning (Transferpette® S
2 ml – 10 ml)
a. Check the pipette tip cone for damage.
b. Inspect the piston and seal for contamination.
c. Check the pipette for leaks.
We recommend using BRAND's leak detector, the BRAND PLT unit.
As an alternative to this, aspirate a sample and hold the pipette verti-
cally for approx. 10 s. If a drop forms on the pipette tip, refer to p. 57.
Cleaning
S
F
F'
K
Transferpette® S 9974 88 V1
a. Remove the entire shaft (S)
from the hand grip by rotat-
F
ing at the upper end of the
ejector (F) and remove the
I
filter (K) from the bottom
part of the shaft (H).
G
b. Separate the bottom part of
the ejector (F') by unscrew-
ing it from the upper part of
O
the ejector (F).
c. Unscrew and dismantle the
piston unit (G) with the ejec-
H
tor spring (I) and the bottom
part of the shaft (H).
d. Remove the O-ring-seal
F'
from the piston unit and
clean it.
Do not disassemble the pis-
ton unit (G) any further!
10 Maintenance
NOTICE
Operating manual
55