Retsch SK 300 - Replacing the Felt Ring; Adjusting the Baffle Plates

Cleaning, Wear and Maintenance
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10.2.1 Replacing the Felt Ring
The felt ring (ME3) is located on the backside of the grinding insert (ME). In order to replace it
when worn, the grinding insert must be removed from the grinding chamber.
Fig. 26: Replacing the felt ring
 Remove the three M4 hexagon socket countersunk head screws (ME5).
 Remove the flange (ME4).
 Replace the felt ring (ME3).
 Reassemble the grinding insert in reverse order.
10.2.2 Adjusting the Baffle Plates
If the baffle plates (RO2) on the rotor are worn out and hence, the gap between the baffle plates
and the grinding insert is too large, the baffle plates can be readjusted by means of the supplied
1 mm (thick) adjustment sheet (EB).
Fig. 27: Adjusting the baffle plates
ME4
ME5
IM
EB
ME3
RO2
RO3