Eppendorf Research Family - fix, variable, multi Manual do Utilizador descarregar pdf (Página 26)

A Replacing the O-rings

– Hold down the ejection button on the side of the pipette and unscrew the

lower part counterclockwise from the grip.

– Using your index ﬁnger, press the tool from behind against the nose cone.

Using your thumb, apply pressure from the other side.

– The O-ring is severed at one point and can be removed from the nose cone.

Attaching a new O-ring

– Attach the assembly aid (shortened pipette tip) onto the nose cone.

– Slide the new O-ring over the tip and onto the nose cone.

B Replacing the piston seals

– Hold down the ejection key and unscrew the lower part (Fig. 2-6)

counterclockwise from the grip.

– With the cone facing downwards, place the pipette lower part horizontally

onto a table and press it down slightly.

– Press side B of the tool into the opening (Fig. 2-8) in the housing (Fig. 2-9).

The two stop hooks on the inside are depressed and the cover

plate (Fig. 2-7) pops up!

– Push opening A of the tool

(suitable for the pipette size at

hand) from below over the

nose cones in such a way as

to ensure that the sharp edge

in the opening of the tool is

overlapping with the O-ring

(see Fig. 6).

II. Multi-channel model

Fig. 6

Research – Part B – Maintenance

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Eppendorf Research Family - fix, variable, multi Manual do Utilizador Página 26