BRAND Transferpette-8 Instrucciones De Manejo página 73

d.
e.
Remove piston for cleaning or replacement
a.
Unscrew pipetting unit: Separate the pipetting unit from the handle.
b.
c.
Z
Transferpette® -8/-12 electronic 997200
d.
Remove seal: Push the piston unit all the way down. Re-
move and inspect the seal and clean or change as nec-
essary.
After removing the shaft, the seal is located either in the
shaft or on the piston.
e.
Mount the seal: If required, re-grease the piston with the
silicone grease supplied. Slide the seal onto the piston
with the flat side upwards. Tighten the cleaned or new
shaft using the installation tool.
f.
Assemble pipetting unit: Reassemble the pipetting unit
and mount it on the handle. 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.
g.
Carry out reference run: Carry out reference run (rEF).
b.
Remove the pipetting housing: Turn both closures of
the pipetting housing cover by 90°, and pull off the
pipetting housing.
c.
Remove screws: Remove both outer Phillips-head
screws on the shaft unit.
The central guide axis (Z) must not be removed.
NOTICE
NOTICE
NOTICE
Operating manual
10 Maintenance
73