Refrigerated Centrifuge Sigma 3-30KS
6 Using the centrifuge
Version 07/2012, Rev. 1.22 of 02/06/2021
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Translation of the original operating manual, part no. 0701302
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6.2.2.2
Installation of a standard angle rotor with a hermetic lid
• Open the centrifuge lid by pressing the lid key.
• Unscrew the rotor tie-down screw from the motor shaft (counter-
clockwise).
• Screw the rotor lid onto the rotor and tighten it.
• Lower the rotor with the lid with its central bore straight down onto the
motor shaft.
• Insert the rotor tie-down screw into the motor shaft. Tighten the rotor tie-
down screw clockwise with the supplied rotor wrench with 7.5 Nm. In
doing so, hold the rotor at its outer rim.
• Follow the safety instructions and hazard warnings (see chapter 3 -
NOTE
The rotor can also be used without a cover.
NOTE
The lid screw serves for the fastening of the lid onto the rotor only, not for
the fastening of the rotor onto the motor shaft.
Removal of a rotor
• Unscrew the rotor tie-down screw (counter-clockwise) and remove the
rotor with the lid.
• Open the lid by turning it counter-clockwise and remove the lid.
1
Rotor tie down screw
2
Lid
3
Rotor
Fig. 8: Angle rotor with a hermetic lid
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