Thermo Scientific Finnpipette Focus Multichannel Plus Guide D'utilisation page 8

Daily checking
The pipette should be checked at the beginning of each day for dust and dirt on the outside
surfaces of the pipette. Particular attention should be paid to the tip cone. No other
solvents except 70 % ethanol should be used to clean the pipette.
Short-term service
If the pipette is used daily it should be checked and lubricated every three months.
1. Note that the tip ejector button is in fully up position.
2. Pull down the tip ejector part of the module and remove the tip cone module by pulling it
out (snap fitting).
3. Press the spring 13 and remove the locking pieces
12 from the groove. Remove the spring 13.
4. Pull out the Colour Ring 15. Open the upper end of
the tip ejector slightly and remove the
tip ejector. Pull out the module spring and clip 22.
5. Use a screwdriver to remove the four/six screws in
the module cover and lift off the cover.
6. Remove the piston bar and clean the pistons and
tip cones with a dry nap–free cloth.
7. If needed, replace the o-rings as described in
Long-term Service
8. Grease cleaned pistons with the lubricant provided
in the pipette package.
9. Install the piston bar with pistons and tip cones in the cover and close the cover with the
four/six screws. Insert the clip 22.
10. Place the tip ejector and module spring on the neck of the module. Press the spring
below the tip ejector. Close the tip ejector with the Colour Ring.
11. Push the tip cone module back to the handle while holding the ejector down, until you
hear a "click".
Long-term service
If the pipette is used daily it should be serviced every six months.
1. Note that the tip ejector button is in fully up position.
2. Pull down the tip ejector part of the module and remove the tip cone module by pulling it
out (snap fitting).
3. Press the spring 13 and remove the locking pieces 12 from the groove. Remove the
spring 13.
4. Pull out the Colour Ring 15. Open the upper end of the tip ejector slightly and remove
the tip ejector. Pull out the module spring and clip 22.
5. Use a screwdriver to remove the four/six screws in the module cover and lift off
the cover.
6. Remove the piston bar and clean the pistons and tip cones with a dry nap–free cloth.
7. 30-300 μl & 5-50 μl: Open the tip cone by carefully releasing the cover ring from its
snap joint with the screwdriver. Remove all the parts from the tip cone. Clean all the
parts. If needed, replace the o-rings. Take one piston. Slide cover ring 32 (larger hole),
spring 33, support ring 35, (o–ring 37 bigger 5-50μl) and o–ring 36 (smaller) onto the
piston. Grease the o–ring with the lubricant provided in the pipette package. Slide all
the parts into the tip cone and close the snap joint of the cover ring.
1–10 μl: Open the tip cone by carefully releasing the cover ring from its snap joint with
the screwdriver. Remove all the parts from the tip cone. Clean all the parts. If needed,
replace the o-rings. Take one piston. Slide cover ring 32 (larger hole), support 35, o–ring
36 (bigger), o–ring 37 (smaller) and o–ring support 38 onto the piston. Then slide spring
39, spring support 40 (sharp edges first) and o–ring 41 onto the o–ring sup port 38.
Grease the o–rings with the lubricant provided in the pipette package. Slide all the
parts into the tip cone and close the snap joint of the cover ring.
8. Install the piston bar with pistons and tip cones in the cover and close the cover with the
four/six screws. Insert the clip 22.
9. Place the tip ejector and module spring on the neck of the module. Press the spring
below the tip ejector. Close the tip ejector with the Colour Ring.
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