Retsch SM 200 - Manual (Page 25)

Operating the machine
25
NOTE
Reduction of tool service life
Abrasive sample materials
–
The presence of abrasive composite materials during grinding can
considerably reduce tool service life.
• When grinding electronic scrap, take the properties of the composite
materials into account.
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NOTE
Damage to mechanical components
Blockages typical of cutting mills
–
When coarse, solid material is fed in for grinding, the high feeding capacity
of the standard rotor can cause blockages that are typical of the cutting
mills.
• If blockages occur, switch off the mill immediately and remove the
clogging material.
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5.7.1 Removing the Rotor
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• Stop the device.
• Open the grinding chamber door.
• Screw the extraction tool (EG) onto the rotor and pull the rotor off the driving
shaft.
Fig. 13: Extraction tool
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5.7.2 Inserting the Rotor
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• Clean and lubricatethe motor shaftas well as the rotor.
• Push the rotor onto the motor shaft.
The device is otherwise essentially maintenance-free.
However, we recommend a regular inspection of the cutting tools depending on
the frequency of use but at least once a month .
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EG