![Sigma 162923 Operating Manual Download Page 35](http://html1.mh-extra.com/html/sigma/162923/162923_operating-manual_1267886035.webp)
Blood bank centrifuge Sigma 8KBS
6 Using the centrifuge
Version 05/2021, Rev. 1.2 of 28/04/2022
• sb
35 / 125
Translation of the original operating manual, part no. 0703502
3
Hexagon key
4
Rotor wrench
Fig. 12: "Two-finger-principle" for holding the hexagon key
• Release the hexagon key, hold the rotor in place with one hand (see the
following picture) and tighten it with the aid of the rotor wrench and a
tightening torque of 20 Nm.
Fig. 13: Fastening of the rotor
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 -