Eppendorf Reference Manual do Utilizador descarregar pdf (Página 24)

Eppendorf Reference® – Part B – Maintenance

– Unscrew pipette at the central junction.

– Press control button and hold down. Hold piston at the top of the piston moun-

ting and pull off. If the piston fits too tightly, the spring at the piston mounting

can be pressed down slightly with side B of the wrench and the piston then pul-

led off.

– Attach new piston down to the stop and lubricate lightly.

The lower parts of the Reference-Serie can be completely disassembled for

cleaning and maintenance using the wrench provided.

The wrench has the following functions:

A = Narrow opening: for loosening and tightening the tip cone.

Wide opening (D): For tightening the tip cone (with the lettering

facing the pipette tip).

The wrench is designed in such a way that the tip cone cannot be

tightened too much.

B =For loosening the screw in the tip cone.

During assembly, for mounting the screw, spring and seal and tigh-

tening the screw.

During alignment, for adjusting the volume display.

C =For removing the seal in the tip cone.

I Exchanging the piston

II Exchanging the seals

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Eppendorf Reference Manual do Utilizador Página 24