Sigma 4-15C, Руководство по эксплуатации

Страница: 72 / 95

Operating Manual SIGMA 4-15C, page 72 of 95
03/06
7.1 Practical Notes for Centrifugation
1. Locate centrifuge horizontally on a level surface.
2. Ensure safe location.
3. Keep at least 30 cm free space around the centrifuge.
4. Provide for sufficient ventilation.
5. Tighten rotor firmly onto motor shaft.
6. Avoid imbalance.
7. Load opposite buckets with same
accessories.
8. Centrifugation with low capacity:
The vessels should be placed sym-
metrically so that the buckets and
their suspensions are loaded evenly.
Loading an inner or outer position of
the bucket only is not allowed (see
illustration). Even angle rotors should
be loaded symmetrically to same
weight.
Centrifugation with different tubes:
Working with different tube sizes is
possible. Opposite places must be
loaded with the same vessels (see
illustration).
9. Load all positions of swing-out
rotors.
10. Load vessels outside the centrifuge.
11. Please pay attention to the max. speed of
glass tubes. At speeds over 4 000 rpm there is an increased breaking glass
hazard.
12. Fill vessels carefully to same weight. Imbalances would result in increased
wear of bearings.
13. Grease joints of buckets and rotor pins in swing-out rotors.
14. Use perfect accessories only.
15. Avoid corrosion to accessories by careful maintenance.