10.1.1 Cleaning the Grinding Set
The cleaning of the grinding set consisting of the grinding insert (ME), the bottom sieve (BS)
and the rotor (RO) should be carried out regularly.
Remove the grinding set from the grinding chamber (→ Chapter "Removing the Grinding
Set")
Cleaning the grinding insert:
The grinding insert (ME) can be cleaned with alcohol, petrol or normal household detergent.
Cleaning the bottom sieve:
All bottom sieves (BS) can be easily and effectively cleaned dry or wet with a hand brush with
plastic bristles. The bottom sieves are also dishwasher suitable.
Bottom sieves (BS) with finer mesh sizes can also be cleaned in an ultrasonic cleaning-bath. As
cleaning agent, water together with a standard surfactant is recommended. The cleaning in the
ultrasonic bath usually takes two to three minutes. After that the sieve inserts are thoroughly
rinsed with water and dried. The cleaning with strong bases or acids is generally not
recommended.
Drying ovens of various sizes can be used for drying bottom sieves.
Additional information concerning ultrasonic cleaning-baths and drying ovens can be found on
the Retsch GmbH homepage (https://www.retsch.com).
Cleaning the rotor:
The rotor (RO) can be cleaned with alcohol, petrol or normal household detergent.
Make sure that the hub (RO1) is thoroughly cleaned and no material residues are left inside.
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