Version 04/2008, Rev. 1.18 of 07/06/2012 page 45 of 65
Translation of the original operating manual
7.1.3 Rotor, Buckets, and Multiple Carriers
Chemical reactions as well as stress-corrosion (combination of oscillating
pressure and chemical reaction) can affect or destroy the metals. Barely
detectable cracks on the surface can expand and weaken the material without
any visible signs.
• Check the material regularly (at least once a month) for
− cracks
− visible damage of the surface
− pressure marks
− signs of corrosion
− other changes.
• Check the bores of the rotors and multiple carriers.
• Replace any damaged components immediately for your own safety.
• Protect the rotors, lid seals, and rubber cushions (if included) at least once
per week with the supplied slushing oil (part no. 70104).
• Grease the rotor tie-down screw with grease for load-bearing bolts (part no.
70284).
7.1.4 Load-bearing bolts
Only greased load-bearing bolts ensure the even swinging of the buckets, and
therefore, the quiet run of the centrifuge. Ungreased bolts can lead to a system
shut-down due to imbalances.
• Grease the load-bearing bolts of the rotor after each cleaning slightly with
grease for load-bearing bolts (part no. 70284).
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