Hach Thermo Fisher TenSette plus Manuel De L'utilisateur page 15

Cleaning
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.
Pipette lubrication
If the pipette is used daily, it should be checked and lubricated every three months. Do the setps that
follow and refer to Figure 3
1. From the menu, select Menu > Options > Service.
2. Press the trigger before disassembling the pipette.
3. Pull down the complete tip cone module.
Note that the tip ejector button is in fully up position.
4. Remove the complete tip cone module by pulling it out
5. Seperate the tip ejector sleeves (top and bottom) by pulling it into two parts.
6. Push the snap fittings to release the cylinder and remove the cylinder.
7. Push forward and clean the piston with a dry napless cloth.
8. Check the the complete tip cone module for foreign particles.
9. Grease the cleaned parts with the lubricant that comes with the pipette.
10. Reassemble the the tip cone module in reverse order.
Note: In order to make the reassembling of the tip cone module easier, position the connecting pieces of the
upper and the lower part accordingly one above the other. Press now both parts together until you hear a "click"
sound.
Figure 3 Pipette handle
1 Tip ejector button
Figure 4 Cone module components
1 Tip ejector sleeve (top side)
2 Spring
3 O-ring
and Figure 4.
4 Cylinder
5 Tip ejector sleeve (bottom side)
6 Snap fitting
2 Trigger
7 Piston
8 Connecting cavity
9 Small fitting
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