45
Maintenance
Concentrator plus/Vacufuge® plus
English (EN)
6Maintenance
6.1 Maintenance
6.1.1 Device
Avoid the drying of saline, aqueous solutions on the material, and avoid long-term exposure of the
material (aluminum) to acids and alkalis.
Avoid the use of aggressive chemicals, including strong and weak alkalis, strong acids, solutions with
mercury, copper and other heavy metal ions, halogenated hydrocarbons, concentrated saline solutions
and phenol.
For the frequent evaporation of corrosive liquids, apply a thin coat of pivot grease to the rotor and rotor
chamber (order no. int.: 5810 350.050 / North America: 022634330).
6.1.2 Pump
The chemical-resistant pump of the complete system does not need to be maintained by the user. However,
the valves and diaphragms are subject to natural wear and tear.
Regularly remove the condensation from the pump and the hose system. To do so, complete a 15 min
run in D-AQ mode without samples.
This will prolong the service life of the consumables.
Observe any changes in the time required for your application. If you notice any deterioration, have the
valves and diaphragms checked by the authorized service.
6.2 Prepare cleaning/disinfection
Clean all accessible surfaces of the device and the accessories at least weekly and when contaminated.
Clean the rotor regularly. This way the rotor is protected and the durability is prolonged.
Furthermore, observe the notes on decontamination (see Decontamination before shipment on p. 48)
when the device is sent to the authorized Technical Service for repairs.
The procedure described in the following chapter applies to the cleaning as well as to the disinfection or
decontamination. The table below describes the steps required on top of this:
Cleaning Disinfecting/decontamination
1. Use a mild cleaning fluid to clean the accessible
surfaces of the device and the accessories.
2. Carry out the cleaning as described in the
following chapter.
1. Choose the disinfection method which
corresponds to the legal regulations and
guidelines in place for your range of application.
For example, use alcohol (ethanol, isopropanol)
or alcohol-based disinfectants.
2. Carry out the disinfection or decontamination as
described in the following chapter.
3. Then clean the device and the accessories.
If you have any further questions regarding the cleaning and disinfection or decontamination
or regarding the cleaning fluid to be used, contact the Eppendorf AG Application Support. The
contact details are provided on the back of this manual.
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