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8KS
8KBS
6 Using the centrifuge
34
Version 08/2012, Rev. 1.6 of 04/02/2014 • sb
Translation of the original operating manual
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6.2.2.1 Installation of the rotor
• Open the centrifuge lid by pressing the lid key.
• Unscrew the rotor tie-down screw from the motor shaft (counter-
clockwise).
• Lower the rotor with its central bore straight down onto the motor shaft.
• Turn the adapter end of the motor shaft anti-clockwise with the supplied
hexagon socket key (part no. 930 050) and tighten the internal thread of
the rotor with 20 Nm with the rotor wrench (size 17/19, part no.
930 018).
WARNING
After frequent use, the rotor tie-down screw must be loosened by some
turns, the rotor has to be lifted and fastened again. This must be done
once a day or after 20 cycles. This ensures a proper connection between
the rotor and the motor shaft.
• Follow the safety instructions and hazard warnings (see chapter 3 -
"
Safety
")!
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6.2.2.2
Installation of angle rotors with a hermetically sealed lid
• Lower the rotor onto the motor shaft.
• Turn the adapter end of the motor shaft anti-clockwise with the supplied
hexagon socket key (part no. 930 050) and tighten the internal thread of
the rotor with 20 Nm with the rotor wrench (size 17/19, part no. 930 018).
NOTE
• Slightly grease the rotor and lid seals after cleaning.
• Screw the rotor cover onto the rotor and tighten it with the supplied tool
no. 17985 by hand.
• The rotors can be installed or removed with a closed lid after loosening
the rotor tie-down screw.
• Follow the safety instructions and hazard warnings (see chapter 3 -
"
Safety
")!
WARNING
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!
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