VIAFLO 96/384 – Operating instructions V11 Maintenance
50 INTEGRA Biosciences AG
6.4.2 Changing O-rings of tip fittings
300 µl and 1250 µl pipetting heads feature tip fittings with red O-rings to seal against the
inside wall of GripTips providing optimal sealing. O-rings are made of durable silicone.
If necessary, e.g. in case of a leakage due to damaged O-rings, you can replace these O-
rings. A set of spare O-rings and an O-ring removal tool are included with each 300 µl and
1250 µl pipetting head, but can also be ordered separately, see “8
Accessories and
consumables” on page 55.
WARNING
Avoid mechanical damage of the tip fittings.
Choose the side of the O-ring removal tool corresponding to the
size of the pipetting head (300 µl or 1250 µl). Slide the O-Ring
removal tool sidewards onto the tip fitting until the O-ring (a) builds
a loop. Cut the O-ring with fine scissors and remove it.
Slide a new O-ring over the tip fitting (b).
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