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mattscottoline
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Joined: 9 Oct 2011
Posts: 7
Location: Philadelphia
Expertise: I love coffee

Posted Sun Oct 9, 2011, 2:45pm
Subject: Broken Hario Mini Mill?
 

Hey guys,

I just signed up here, though I've been reading for a while as I got deeper and deeper into my coffee brewing mania.  I did have a question though.

I have been using a Hario Mini Mill for all of my home grinding (using it for a v60 02) for the past year or so.  

This morning, while I was grinding, I felt the grinder kind of lock up, and it stopped working. I emptied the beans and attempted to loosen the burr, but instead the plastic nut just unscrewed right off, and the burr itself stayed tight. It seems immovable at this point.

Glancing down into the burrs, I can't make out any large object lodged inside or anything like that.  I just can't even get the thing to come apart like it normally would had I removed the nut.  

Any ideas? I've googled extensively and found no mentions of anything like this (or of these really breaking to begin with).

Thanks so much.
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Netphilosopher
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Joined: 14 Jan 2011
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Location: USA
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Posted Mon Oct 10, 2011, 3:57am
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mattscottoline
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Joined: 9 Oct 2011
Posts: 7
Location: Philadelphia
Expertise: I love coffee

Posted Mon Oct 10, 2011, 6:24am
Subject: Re: Broken Hario Mini Mill?
 

Thanks for the reply. I'll give that a shot.

I reversed cranked for a bit yesterday, but not upside down.

Basically the wingnut you usually use to adjust the grind just comes off, and the burrs don't react. However, they do move when I spin the handle like I do normally when grinding.  They just will not open or close anymore, and when I put beans in, nothing grinds.

What an odd problem. It's also a bummer because this is my only home grinder, so right now I am coffee-less. Which obviously is a terrible thing.
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mattscottoline
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Joined: 9 Oct 2011
Posts: 7
Location: Philadelphia
Expertise: I love coffee

Posted Mon Oct 10, 2011, 6:50pm
Subject: Re: Broken Hario Mini Mill?
 

So I reverse cranked to no avail.

Any last suggestions? Is this thing busted for good?

Very sad day for me.
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Netphilosopher
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Posted Tue Oct 11, 2011, 4:27am
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mattscottoline
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Joined: 9 Oct 2011
Posts: 7
Location: Philadelphia
Expertise: I love coffee

Posted Tue Oct 11, 2011, 6:55am
Subject: Re: Broken Hario Mini Mill?
 

Okay, so upon your advice, I used the "pin" method, and I managed to loosen the inner burrs, and take the grinder apart. There was no visible debris really, but I gave it a cleaning, and put it back together.  I reattached it with the wingnut, and it seemed okay.

The only strange thing I noticed, however, was that it no longer "clicked" when tightening/loosening the burrs.  I assumed I must have just messed something up while I was hitting it to loosen it before.

But when I just tried to grind a few beans as a test run, it has the same problem again.  I believe what is happening is that turning the crank to grind the beans is just tightening the burrs.  So as soon as I begin to grind, the burrs just tighten and seal together.  Does that sound possible?

I could take pictures if you'd like, but I'm not sure what to focus on.  

Any advice or ideas after hearing this? I am positive this tightening has been the problem all along, I just didn't have the perspective on it in the beginning to identify this.

Thanks again.
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Netphilosopher
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Posted Wed Oct 12, 2011, 4:05am
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mattscottoline
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Joined: 9 Oct 2011
Posts: 7
Location: Philadelphia
Expertise: I love coffee

Posted Sat Oct 15, 2011, 7:02am
Subject: Re: Broken Hario Mini Mill?
 

I was having a hard time even getting it opened again.

I think I am about ready to just give up on the thing. I've been having to use an old electric blade grinder in the meantime, which is obviously not so great.

I am not sure what my next grinder will be.  If you have any suggestions, please let me know.

I'm not opposed to another hand grinder, but I would like something where I can do a bit more at once.  Maybe the larger Hario model?
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Netphilosopher
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Expertise: Just starting

Posted Wed Oct 19, 2011, 6:44am
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jpender
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jpender
Joined: 11 Jul 2011
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Grinder: OE LIDO
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Posted Wed Oct 19, 2011, 12:35pm
Subject: Re: Broken Hario Mini Mill?
 

Netphilosopher Said:

The one I used didn't have a "lid", so there was a bit of tossed broken beans out the top.  Not a major issue, but it didn't look like it had a lid like the Hario Mini Mill.

Posted October 19, 2011 link

I have the Kyocera CM-50 which appears to be identical to the Hario Skerton. Mine doesn't have a lid either so I made one out of a thin piece of cardboard with a slit so I could remove it when cleaning the grinder without having to take off the grinder handle. The lid is sized to "float" so I can pull up one side to add beans. It's a little cheesy but it works.

jpender: kyocera_lid.jpg
(Click for larger image)
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