BRAND Transferpette-8 electronic Instrucciones De Manejo página 77

g.
h.
i.
j.
Transferpette® -8/-12 electronic 997200
g.
Pull the piston with the seal out of the shaft.
h.
Dip the brush into the piston grease supplied and wipe
it well against the vessel wall. Hold brush against seal,
and turn piston with seal 1–2 turns. Insert the piston
with seal back into the shaft.
Apply piston grease in a thin layer to the seal with a brush.
Used only the grease supplied (order no. no.: 7036 75). Do
not use silicone grease or fluorstatic grease!
i.
Assemble piston and shaft. Replace the piston–shaft
unit. To do this, push the shaft into the holder, and
carefully press the piston into the original position. The
shafts must then be aligned again.
Proceed as described with all 4 or 6 piston shaft units on
this page. To disassemble/replace the remaining 4 or 6
channels, turn the pipetting unit.
j.
Reassemble the pipetting unit. To do this, slide the stem
attachment over the stems until it clicks into place. Ob-
serve the direction from channel 8/12 to channel 1 (see
marking on the pipetting housing cover). Then fix the
pipetting housing again and mount the pipetting unit
on the handle section. Check the instrument for leaks,
free movement, and precision
The pipetting unit must be screwed onto the handle in a
counter-clockwise direction until it clicks into place. Do not
pull the pipetting unit downwards.
k.
Carry out reference run: Carry out reference run (rEF).
NOTICE
NOTICE
Operating manual
10 Maintenance
77