Refrigerated Centrifuge Sigma 2-16KL
8 Maintenance and service
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Version 08/2012, Rev. 1.24 of 28/04/2022
• sb
Translation of the original operating manual, part no. 0700702
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8.1.5
Load-bearing bolts
Plastic bucket
NOTE
The load-bearing bolts of the rotor must not be greased if plastic buckets
are used!
Aluminium buckets
Only greased load-bearing bolts ensure a uniform swing-out of the buckets
and, therefore, the smooth operation of the centrifuge. Load-bearing bolts
that are insufficiently greased may cause the centrifuge to stop due to an
imbalance.
• Clean the load-bearing bolts and bucket groove in order to remove the
old grease.
• Apply a small amount of heavy-duty grease for load-bearing bolts (ref.
no. 71401, see the following picture) to both load-bearing bolts of a
bucket.
Fig. 29: Sufficient quantity of grease for one bolt
• Install the bucket and swing it manually back and forth once in order to
distribute the grease.
• Repeat this process with all the other buckets.
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