Sigma 2-6E - Service Life of Rotors and Accessories

Version 04/2008, Rev. 1.18 of 07/06/2012 page 30 of 65
Translation of the original operating manual
filled, they will deform. This may result in leaks at the seals that may become
loose.
• When using glass tubes, the maximum value of 4,000 x g must not be
exceeded (except special high-strengh glass tubes; please refer to the
information provided by the manufacturer).
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 Attention!
• Please observe the instructions on safety and hazards in chapter 2,
page 14!
5.2.5 Service Life of Rotors and Accessories
The rotors and accessories have a limited service life.
•
Please perform regular checks (at least once per month) for safety
reasons!
• Pay special attention to changes, such as corrosion, cracks, material
abrasion etc.
•
After 10 years, they must be inspected by the manufacturer.
• After 50,000 cycles, the rotor must be scrapped for reasons of safety.
•
If other data concerning the service life are engraved on the rotor or
bucket, these data shall apply accordingly: For example, a bucket with
the engraving “max cycles = 10,000” has a service life of 10,000 cycles,
and a rotor with the engraving “Exp.Date 02/15” must be scrapped in
Feburary 2015 at the latest (see fig. 5.8)!
Fig. 5.8: Different service life – engraving on the bucket/rotor
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Attention!
• Refer to the table of rotors and accessories with a different service
life ( see chapter 11 “Appendix”)!