Plastic Accessories; Rotors, Buckets And Carriers; Microhaematocrit Rotor - Sigma 2-16KL Operating Manual

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8.1.2.1

Plastic accessories

WARNING
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8.1.3

Rotors, buckets and carriers

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8.1.4

Microhaematocrit rotor

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Version 08/2012, Rev. 1.24 of 28/04/2022 • sb
Translation of the original operating manual, part no. 0700702
The chemical resistance of plastic decreases with rising temperatures (see
chapter 11.5 - "Resistance data").
•
If solvents, acids, or alkaline solutions have been used, clean the plastic
accessories thoroughly.
Plastic accessories must not be greased!
Rotors, buckets and carriers are produced with the highest precision, in
order to withstand the permanent high stress from high gravitational fields.
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.
•
After every cleaning process, grease the rotor tie-down screw slightly
with a small amount of heavy-duty grease for load-bearing bolts (part
no. 71401) and distribute the grease with a cloth so that it forms a thin
layer.
•
Remove the microhaematrocrit rotor for cleaning.
•
Wipe the centrifuge chamber clean.
•
Replace the rubber ring in the event of wear or glass breakage (part no.
16001 for rotor 11409).
Refrigerated Centrifuge Sigma 2-16KL
8 Maintenance and service
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