urrounding and clean it regularly.
2.don't let solids mix into the bowl, the machine will bestuck( evenithave protective device,it may harm to the machine).
3. people need rest, so does the machine, do not keep the machine working endless for a long time.
4. check the gear box regularly, once the lubricating oil is not enough,add it.its imporant, if you do not want to pay for new gear.
5. If you are not skilled man, it is better let the technician repair the machine.
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