Maintenance - Hettich MIKRO 220 Operating Instructions Manual

Cleaning and care
Disinfecting the accessories
Autoclaving
8.5

Maintenance

Greasing the rubber seal of
the centrifuging chamber
Greasing the rubber seal of
the biosafety system
Checking the accessories
Checking the biosafety
system
Inspecting the centrifuging
chamber for damage
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3. Remove accessories.
4. Clean the housing and centrifuging chamber using disinfectant.
5. Remove any disinfectant residues with a damp cloth after using disin-
fectants.
6. The surfaces must be dried immediately after cleaning.
1. Disinfect the accessories using the disinfectant.
2. Wet all cavities with bubble-free disinfectant.
3. Remove the disinfectant residues or leave them to dry after using
disinfectants.
The following accessories may be autoclaved at 121 °C / 250 °F (20 min):
■
Swing-out rotors
■
Aluminium angle rotors
■
Metal buckets
■
Lid with bioseal
■
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 to
colours. 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. The accessories are to 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.
Rev.: 04 / 11.2023 AB2200en_SA