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Refrigerated centrifuge Sigma 4-5KL
Refrigerated centrifuge Sigma 4-5KL IVD
6 Using the centrifuge
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Version 06/2020, Rev. 1.2 of 28/04/2022
• sb
Translation of the original operating manual, part no. 0703602
→
6.2.2
Installation of rotors and accessories
→
6.2.2.1
Installation of a standard 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.
• Tighten the rotor tie-down screw clockwise with the supplied rotor
wrench with 10 Nm (Option: torque wrench 10 Nm, part no. 17060). In
doing so, hold the rotor at its outer rim.
• Follow the safety instructions and hazard warnings (see chapter 3 -
WARNING
Once a day or after 20 cycles, the rotor tie-down screw must be loosened
by some turns, and the rotor must be lifted and fastened again. This
ensures a proper connection between the rotor and the motor shaft.
CAUTION
When using rotors for microtiter plate formats:
Ensure that the plate holders are inserted together with the plates into the
buckets.
Removal of a standard rotor
• Loosen the rotor tie-down screw by turning it anti-clockwise and remove
the rotor.