Laboratory Centrifuge Sigma 6-16S
8 Maintenance and service
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Version 07/2012, Rev. 1.22 of 08/05/2020
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Translation of the original operating manual, part no. 0702002
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8.1.4
Load bearing bolts
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. 33: 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.
