Servicing And Cleaning - BRAND Transferpette electronic Instruccionesde Manejo

In order to assure proper funtioning, the Transferpette
should be serviced and cleaned at regular intervals.
Servicing
Inspect the pipette tip cone for damage.
Inspect the piston and seal for contamination and damage.
Test the sealing of the instrument. To do this aspirate a
sample, and then hold the instrument in a vertical position
for about 10 sec. If a drop forms at the tip orifice, see the
troubleshooting guide on page 60.
Disassembly and cleaning
1.
Unscrew the pipette shaft (S) from the hand grip.
2.
Separate the magnetic connection between both
components by gently but firmly pulling in opposite
directions.
3.
Unscrew the upper part of the ejector (A) from
the pipette shaft.
4.
Pull the shaft (D and B) out of the lower part (E)
of the ejector.
5.
Unscrew the retention sleeve (B).
Note: The piston and piston guide remain
connected with the retention sleeve (B)!
6.
Remove the spring and seal (C).
7.
Clean the parts shown with a mild soap solution or
isopropanol and then rinse with distilled water.
8.
Allow the parts to dry (max. 120°C/248 °F).
9.
Oil piston with a very thin layer of oil.
10.
Assemble the cooled parts in reverse order from
above. The retention sleeve and the upper part of
the ejector (A, B) should only be hand-tight.
11.
Perform reference run (rEF).
Note: All individual components shown, can be ordered as spare parts.
For ordering information see page 61.

Servicing and Cleaning

® electronic
S
A
B
C
D
E
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