Thermo Fisher Scientific Thermo Scientific Finnpipette F2 Guide D'utilisation page 9

Short-term service
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.
Long-term service, single channel pipettes
If the pipette is used daily it should be checked every three months. The servicing procedure
starts with the disassembly of the pipette.
1-1000 µl pipettes
1. Press the tip ejector.
2. Rotate the tip ejector 11 counterclockwise and pull it out.
3. Turn out the tip cone counterclockwise with the service tool.
4. Pull out the piston and other parts. Push out with piston the rest of the
piston assembly. Then turn the tip cone upside down and tap all parts
from tip cone. Remember keep all parts in order on table for reassembly.
5. Clean the piston, the piston spring and the O-rings with a dry
napless cloth.
6. Check the tip cone for foreign particles.
7. Grease the cleaned parts with the lubricant that comes with the pipette.
8. Reassemble the pipette components.
0.2-2µl, 0.5-5µl & 1-10 µl: First, slide spring 22, o-ring support 23 and
o-ring 24 on the tube 21. With the 0.2-2µl model insert the tube 27 into
the tube 21. Then slide the spring 13, spring support 16 and tubes 17
and 18, bigger o-ring 19 and smaller o-ring 20 back on the piston.
Compress the spring with fingers by pressing piston and spring support
16 against each other and slide the tube 21 with rest of the parts on the
piston. Hold the spring compressed and carefully slide the entire
assembly into the tip cone and release the spring.
2-20 µl & 5-50 µl: Slide the spring 13, spring support 16
and tubes 17 and 18, bigger o-ring 19 and smaller o-ring 20
back on the piston. Compress the spring with fingers by
pressing piston and spring support 16 against each other
and slide the bigger o-ring 19, smaller o-ring 20, spring
support 21 and the spring 22 (smaller diameter against spring support
21) on the piston. Hold the spring compressed and carefully slide
the entire assembly into the tip cone and release the spring.
10-100 µl & 20-200 µl: Slide the spring 13,
spring support 16 and o-ring 17 back on the
piston. Slide the entire assembly into the
tip cone.
100-1000µl: Put the o-ring 17 and support ring
16 to the tip cone. Slide the spring 13 on the
piston and slide the entire assembly into the
tip cone.
9. All: Put the spring 15 and support 14 on top
of the tip cone and carefully insert the tip
cone assembly to the handle and turn it tight
by hand.
10. Reassemble the tip ejector.
1-200µl
9
1
2
3
200-1000µl