Hettich UNIVERSAL 320 Gebrauchsanweisung Seite 86

Cleaning and care
8.5 Maintenance
Greasing the rubber seal of
the centrifuging chamber
Greasing the rubber seal of
the biosafety system
Trunnion greasing
Checking the accessories
Checking the biosafety
system
Centrifuging chamber damage
inspection
Greasing the motor shaft
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Swing-out rotors
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Aluminium angle rotors
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Metal buckets
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Lid with bioseal
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Inserting
No statement can be made about the resulting degree of sterility.
The lids of the rotors and bucket must be removed before autoclaving.
Autoclaving accelerates the ageing of materials. It may cause changes
in colour. After autoclaving, the rotors and accessories are to be visually
inspected for damage and any damaged parts are to be replaced immedi-
ately.
The sealing ring in question is to be replaced if there are signs of cracking,
embrittlement or wear. For lids with non-replaceable sealing rings, the whole
lid must be replaced.
The sealing rings must be replaced after autoclaving to ensure the tightness
of the biosafety systems.
Rub the sealing ring lightly with a rubber care product.
Rub the sealing ring lightly with a rubber care product.
1. Remove accessories.
2. Clean the trunnions.
3. Remove any detergent residues with a damp cloth after using deter-
gents.
4. Grease the trunnions and suspension with Hettich Tubenfett 4051.
5. Excess grease in the centrifuging chamber must be removed.
1. The accessories shall be checked for wear and corrosion damage.
2. Check that the rotor is firmly seated.
1. Visually check all parts of the biosafety system for damage.
2. Check the correct installation position of the sealing ring(s) of the
biosafety system.
3. Replace the damaged parts of the biosafety system.
4. Replace the sealing ring in question immediately if there are signs of
cracking, embrittlement or wear. For lids with non-replaceable sealing
rings, the whole lid must be replaced.
Check the centrifuging chamber for damage.
1. Remove accessories.
2. Clean the motor shaft.
3. Remove any detergent residues with a damp cloth after using deter-
gents.
Rev.: 13 / 11.2023 AB1401en