Question about Bodum 's C-MILL electric blade coffee grinder in matt chrome

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The blade has come loose

The blade on the grinder has come loose. This means it does not follow the turns of the motor. It is just a little bit loose, and I see no way to either remove it or tighten it.

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  • Anonymous Sep 14, 2008

    the blade has become loose

  • Dykerlad Sep 18, 2008

    I bought this product last Christmas & used it perhaps three or four times a week. By May, the blade had come loose completely ie it wouldn't spin when the motor ran. I couldn't see an easy repair. I had lost the receipt but liked the grinder so bought another. Today (mid September) the same happened again. The machine was certainly not overloaded with coffee beans (enough for one double espresso). Any advice please? DC

  • mkeene61 Sep 22, 2008

    happened to mine too and I've only used around 20 times!! Has anyone figured out how to retighten??

  • jgillett Nov 18, 2008

    Just happended to me - grinding some beans when suddenly the blade came loose. It's 3 months old! Grrrrr


  • krastalier Jan 16, 2009

    Same thing here, the blade just came loose after three weeks of normal use, and I just can't figure out how the blade can be retightened or even how to open the machine.

    Any help would be very much appreciated, thanks.


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Had the same problem myself - another example of a product made to break!
Red Caboose has it spot on. Just a couple of points. The thread on the motor shaft is a 4mm machine screw. the shaft thickens a little bit below the thread (very short) forming a slight collar. I put a washer (slightly larger that the width of the blade) onto this, followed by the blade. You''ll then need a washer to sit into the blade to centre it on the shaft. Follow this with a cup washer (as Red Caboose) suggests or a locknut. Working perfectly now!

Posted on May 07, 2010

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The hub retaining the blade is screwed to the motor shaft. You have to remove the base (very difficult); it snaps into the body so you can get a screwdriver on the end of the motor shaft so you can loosen the hub. After that, find an assortment of washers that will center the blade and exert enough pressure to lock in on the motor shaft. A cup washer works the best.

Posted on Oct 29, 2009

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The solutions from andrumac and red caboose were very helpful (especially popping off the base, which does take some force). After trying to find the right combination of washers, etc, I finally decided to use JB weld (any epoxy should work) and epoxied the blade back to the little hub it was originally attached to. I'll find out tomorrow morning if this solution worked.

Posted on Jul 22, 2010

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