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Sylvain
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Joined: 19 Dec 2001
Posts: 70
Location: Trois-Rivieres
Expertise: I love coffee

Espresso: La Marzocco GS3
Grinder: Mahlkonig K30 Vario
Drip: Technivorm
Posted Tue Oct 4, 2011, 4:23am
Subject: How to cut a bean hooper
 

Hello, I just have bought a Mahlkonig K30 Vario with a short bean hooper.  The bad news, its too high by almost 1 inche to fit under my cabinet.  I know it before buying but want this grinder anyway.  I am thinking seriously about cutting the hooper to fit under the cabinet.

Anyone here have done it before ?  If so, whats the way you have made it ?  Or, have you find a shorter hooper from another brand ?  Thanks a lot for the help.

Sylvain
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NobbyR
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NobbyR
Joined: 10 Jul 2011
Posts: 2,057
Location: Germany
Expertise: I love coffee

Espresso: Poccino Opus One, Ariete
Grinder: Eureka Mignon Istantaneo
Vac Pot: N/A
Drip: Melitta Linea Unica de Luxe
Roaster: N/A
Posted Tue Oct 4, 2011, 6:47am
Subject: Re: How to cut a bean hooper
 

I've read a post from a guy who uses the K30 without a bean hopper at all.

 
***
"This drink of the Satan is so delicious that it would be a shame to leave it to the infidels." (Pope Clement VIII on coffee, when he was urged to ban the beverage)
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Sylvain
Senior Member


Joined: 19 Dec 2001
Posts: 70
Location: Trois-Rivieres
Expertise: I love coffee

Espresso: La Marzocco GS3
Grinder: Mahlkonig K30 Vario
Drip: Technivorm
Posted Tue Oct 4, 2011, 9:57am
Subject: Re: How to cut a bean hooper
 

Hello

I have read that post some time ago.  I was thinking about buying a Versalab or a K30.  I have taken my decision on the Mahlkonig because of the bean hopper.  But before buying, I knew of the hight problem.  Now, I just want to make it with a hopper to fit under my cabinet.  Its look like I will used a saw or dremmel.  Sylvain
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__________
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Posted Tue Oct 4, 2011, 10:36am
Subject: Re: How to cut a bean hooper
 

Hello

I had to do this when I first bought a Mazzer grinder. At the time, the hopper was about15mm too high to fit under my cupboards (I've since remodelled my kitchen and now it would have been OK...)

I followed some helpful instructions I think I found on here.  Assuming it's made of a plastic that can be cut, start by placing it top down on a flat surface.  Find a thin marker pen, and place it horizontally on the same surface at the height you want to remove. Turn the hopper 360 degrees against the marker to give you a nice even line.

I then used a very fine hacksaw, followed by very fine abrasive paper to get a smooth finish.  Not too sure about a dremel, it might be more difficult to keep a straight line ?

Will the hopper lid still fit if you take off the amount you need to ?

Best of luck.  Hope it's successful.
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JonR10
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JonR10
Joined: 26 Apr 2004
Posts: 10,376
Location: Houston, Texas
Expertise: I love coffee

Espresso: E61 Legend, Livietta,...
Grinder: Robur, B-Vario-W
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Roaster: 1-lb US Roaster, Behmor 1600
Posted Tue Oct 4, 2011, 10:56am
Subject: Re: How to cut a bean hooper
 

__________ Said:

I followed some helpful instructions I think I found on here.  Assuming it's made of a plastic that can be cut, start by placing it top down on a flat surface.  Find a thin marker pen, and place it horizontally on the same surface at the height you want to remove. Turn the hopper 360 degrees against the marker to give you a nice even line.

I then used a very fine hacksaw, followed by very fine abrasive paper to get a smooth finish.  Not too sure about a dremel, it might be more difficult to keep a straight line ?

Posted October 4, 2011 link

This is pretty much how I did it too, except that I wrapped the hopper with masking tape in the area of the cut (maybe 1 inch on either side of the line) before marking and cutting (to avoid permanent marks or scratches).  Also, it's a good idea to lube the saw blade frequently using a 50/50 mix of dishwashing soap and water.  

The second hopper I cut was done using a dremel fixed to a stand and the hopper was rotated on a flat surface to assure a level cut.  It worked out well, but I think the hacksaw was really just as easy.  

As for a lid, I used a small Mazzer hopper lid on the K30 original hopper.  I actually measured so that my cut hopper would fit the lid after making the cut (i.e. make the cut so that the finished diameter fits the smaller lid).  Below is a picture of the end result, it was pretty short.

JonR10: K30 shorthop.jpg
(Click for larger image)

 
Jon Rosenthal
Houston, TX
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Sylvain
Senior Member


Joined: 19 Dec 2001
Posts: 70
Location: Trois-Rivieres
Expertise: I love coffee

Espresso: La Marzocco GS3
Grinder: Mahlkonig K30 Vario
Drip: Technivorm
Posted Tue Oct 4, 2011, 11:07am
Subject: Re: How to cut a bean hooper
 

Ah !!!  I know for sure I can have good trick from peoples here.  I have on hand a cover from my Mazzer short hopper.  I will cut it after works and will give you news tomorrow.

Thanks again to all for the information.

Sylvain
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NobbyR
Senior Member
NobbyR
Joined: 10 Jul 2011
Posts: 2,057
Location: Germany
Expertise: I love coffee

Espresso: Poccino Opus One, Ariete
Grinder: Eureka Mignon Istantaneo
Vac Pot: N/A
Drip: Melitta Linea Unica de Luxe
Roaster: N/A
Posted Tue Oct 4, 2011, 9:57pm
Subject: Re: How to cut a bean hooper
 

JonR10 Said:

...I wrapped the hopper with masking tape in the area of the cut (maybe 1 inch on either side of the line) before marking and cutting (to avoid permanent marks or scratches).  Also, it's a good idea to lube the saw blade frequently using a 50/50 mix of dishwashing soap and water...

Posted October 4, 2011 link

Using tape and lubrication sounds like a great idea in order to prevent the plastic to crack during sawing and get a smooth cut.

 
***
"This drink of the Satan is so delicious that it would be a shame to leave it to the infidels." (Pope Clement VIII on coffee, when he was urged to ban the beverage)
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Sylvain
Senior Member


Joined: 19 Dec 2001
Posts: 70
Location: Trois-Rivieres
Expertise: I love coffee

Espresso: La Marzocco GS3
Grinder: Mahlkonig K30 Vario
Drip: Technivorm
Posted Wed Oct 5, 2011, 4:50am
Subject: Re: How to cut a bean hooper
 

Hello, just to let you know the job is done.  The bean hopper I have is the short one with hinge lid and the plastic is really thick.  I have follow all your trick and its looks like the photo of JonR10.

Thanks again.

Sylvain
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enigma9051
Senior Member


Joined: 22 Sep 2011
Posts: 7
Location: Indiana
Expertise: I love coffee

Posted Mon Oct 17, 2011, 11:55am
Subject: Re: How to cut a bean hooper
 

Sylvain Said:

Hello, I just have bought a Mahlkonig K30 Vario with a short bean hooper.  The bad news, its too high by almost 1 inche to fit under my cabinet.  I know it before buying but want this grinder anyway.  I am thinking seriously about cutting the hooper to fit under the cabinet.

Anyone here have done it before ?  If so, whats the way you have made it ?  Or, have you find a shorter hooper from another brand ?  Thanks a lot for the help.

Sylvain

Posted October 4, 2011 link

I don't know if a hopper for a Mazzer Mini could be adopted to fit, but this company makes one 2/3's the Mazzer short hopper height. (Just an idea).
http://www.espressoparts.com/MAZ_85M
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enigma9051
Senior Member


Joined: 22 Sep 2011
Posts: 7
Location: Indiana
Expertise: I love coffee

Posted Mon Oct 17, 2011, 12:06pm
Subject: Re: How to cut a bean hooper
 

Here's a couple of pix where someone modified a $25 Macap M4 hopper by cutting the bottom off the M4 hopper and gluing it to the black part of the K30 hopper.

Click Here (www.home-barista.com)
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