Cleaning And Disinfecting Of The Unit; Cleaning And Disinfecting Of The Rotor; Disinfection Of Aluminum Rotors - Hermle ZK 496 User Manual

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MAINTENANCE

-Check the integrity of the seals of the aerosol-tight rotor lids or caps, before each use.

-Use only aerosol-tight rotor lids or caps, if the seals are undamaged and clean.

-Aerosol-tight plastic rotors as well as plastic lids and seals of aerosol-tight aluminum rotors

and buckets must be replaced after 10 autoclaving cycles!

-Never store aerosol-tight rotors or buckets closed.

3.1.2 Cleaning and Disinfecting of the Unit

1. Open the lid before turning off the unit. Disconnect from the power supply.

2. Open the rotor nut by turning the rotor key counter-clockwise.

3. Remove the rotor.

4. For cleaning and disinfection of the unit and the rotor chamber use the above mentioned

cleaner.

5. Clean all accessible areas of the device and its accessories including the power cord with a

damp cloth.

6. Wash the rubber seals and rotor chamber thoroughly with water.

7. Rub the dry rubber seals with glycerol or talc to prevent these from becoming brittle. Other

components of the unit e.g. the lid lock, motor shaft and rotor should not be greased.

8. Dry the motor shaft with a soft dry and lint-free cloth.

9. Examine the unit and accessories for damage.

Remove adherent dust at least every 6 months from the ventilation slots in the centrifuge by using a

soft brush.

*Before doing so, please switch off the unit and disconnect from the power supply.

1. Clean and disinfect the rotors, rotor lids and adapters with the cleaner previously mentioned

above.

2. Use a bottle brush to clean and disinfect the rotor bores.

3. Rinse the rotors rotor lid and adapter with clear water. Particularly the drillings of the angle

rotors.

4. When drying the rotors and accessories, set on a towel. Place the angle rotors with bores down

to dry.

5. Dry the rotor cone with a soft dry and lint-free cloth, check for damage. Do not grease the rotor

cone.

In case of infectious material spilling into the centrifuge, the rotor and rotor chamber have to be

disinfected promptly after the run. Rotors may be autoclaved, the recommended time for

autoclaving: 15 – 20 min at 121°C/250°F. (2.15 bar).

ZK496_V1.22_eng

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