It's to keep pieces of ferrous metal out of the burrs.
Java "A good idea to have in place" phile
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Bezzera BB004 hopper magnet
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Bezzera BB004 hopper magnet
Hi All,
I have a Bezzera BB004 grinder and during an over enthusiastic clean I managed to break off the magnet that sits under the cone inside the hopper (see pic).
What is the purpose of this magnet? I thought possibly to catch damaged burr fragments but it seems a little too high for this plus the magnet is completed clean of metal fragments/filings after >5 years of use.
If this item is necessary for safe function of grinder can anyone recommend a parts supplier?
Bonus question: how can I tell if the burs need replacing? I bought machine second hand without knowledge of how much it has been used but have ground 40-80g daily for five years since
Any advice greatly appreciated

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