For thorough cleaning of the retaining frame for 180° sieve inserts, it is recommended to
separate the sieve insert (SBH), as well as the grinding insert (ME) from the retaining frame
(SRM).
Remove the three M5 hexagon socket countersunk head screws.
Remove the front retaining frame to remove the 180° sieve insert.
Additionally remove the two M5 hexagon socket countersunk head screws that connect the
grinding insert and the rear retaining frame.
The retaining frames (SR), (SRM), the sieve inserts (SB), (SBH), as well as the grinding insert
(ME) can be cleaned with alcohol, petrol or normal household detergent. Sieve inserts (SB),
(SBH) can be easily and effectively cleaned dry or wet with a hand brush with plastic bristles. All
parts are also dishwasher suitable.
Sieve inserts (SB), (SBH) 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 sieve inserts.
Additional information concerning ultrasonic cleaning-baths and drying ovens can be found on
the Retsch GmbH homepage (http://www.retsch.com).
Cleaning the rotor:
The rotor (RO) can be cleaned with alcohol, petrol or normal household detergent. The rotor is
also dishwasher suitable.
Make sure that the hub (RO1) is thoroughly cleaned and no material residues are left inside.
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