Eppendorf Research Family - fix, variable, multi Manual de usuario descargar pdf (Pagina 22)

Please see page 3 (Fig. 1) of this manual.

A general description of disassembly and assembly for all single-channel models

is followed by instructions on how to replace speciﬁc parts for special pipette

types.

A Disassembly and assembly (Fig. 1 / point 1)

Disassembly

– Hold down the ejection button on the side of the pipette and pull off the

ejection sleeve (12) using force.

An exception is the 1 – 10 mL model:

see Section B "Replacing pistons and seals".

– Unscrew the pipette lower part (10) from the grip by turning it to the left

(if necessary, use position A of the wrench provided).

– Press the piston holder (1) together and remove it.

The piston is subject to spring tension!

– Remove the piston (3) with spring (4) and replace if necessary.

Assembly

– Insert the piston (3) with spring (4) into the pipette lower part.

– Place the piston holder (1) over the piston, press it together and slide it into the

grooves on the lower part.

– Screw the pipette lower part hand-tight into the grip. (Do not use the wrench.)

– Hold down the ejection button and re-attach the ejection sleeve.

B Replacing pistons and seals

For ﬁxed- and adjustable-volume (variable) pipettes up to

20 µL

(see Fig. 1 /

point 2):

– Disassemble the pipette.

– The seal is changed by replacing the entire pipette lower part (10).

I. Single-channel model

Research – Part B – Maintenance

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Eppendorf Research Family - fix, variable, multi Manual de usuario Pagina 22