VITLAB micropipette-8 Instrucciones De Manejo página 36

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4. Push the piston unit down to the bottom. The seal will either
remain inside the nose cone or will stay on the piston after the
nose cone is removed. Remove the seal, inspect it and clean or
replace if necessary. If required, lubricate the piston lightly with
the supplied silicone oil.
(In the VITLAB micropipette -8/-12 30-300 μl unit, remove the
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additional pressure ring from the piston for cleaning.)
5. Push the seal on the piston with its flat side facing upward. (In
the VITLAB micropipette -8/-12 30-300 μl unit, first replace the
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additional pressure ring!)
Use the mounting tool to mount and tighten the cleaned or
new nose cone.
6. Reassemble the manifold. The manifold must be screwed into
the handle counter-clockwise, until it audibly snaps into place.
Check the instrument for tightness (see page 34, „Servicing").