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Figure 5 Cone module components
1 Tip ejector sleeve (top side)
2 Spring
3 O-ring
8.3 Storage
When the Hach TenSette plus is not in use, make sure it is stored in an upright position. The use of
the Hach pipette stand (Item no. BBP088) is recommended for this purpose.
8.4 Sterilization
Burn hazard. Obey safe handling protocols during contact with hot components. Wear
the appropriate protective equipment during maintenance or service activities.
The tip cone module can be sterilized by autoclaving it at 121 °C (250 °F) for 20 minutes. You can
use steam sterilization bags if needed. Disassemble and reassemble the tip cone module. Refer to
Pipette lubrication
on page 16.
After autoclaving, the module must be cooled to room temperature for at least two hours. Before
pipetting, make sure that the module is dry. It is recommended to check the calibration after every
sterilization cycle.
Section 9 Troubleshooting
Problem
Leakage
4 Cylinder
5 Tip ejector sleeve (bottom
side)
6 Snap fitting
W A R N I N G
Possible cause
Tip incorrectly attached
Foreign particles between tip and tip
cone
Foreign particles between the piston,
the O-ring and the cylinder
Insufficient amount of grease on
cylinder and O-ring
O-ring damaged
7 Piston
8 Connecting cavity
9 Small fitting
Solution
Attach firmly
Clean tip cones. Attach new tips.
Clean and grease the O-ring and
cylinder.
Grease accordingly
Change the O-ring.
English 17
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