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Mazzer Major's NEW hopper assembly - mod update w photos
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Discussions > Espresso > Grinders -... > Mazzer Major's...  
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emradguy
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emradguy
Joined: 31 Mar 2011
Posts: 3,119
Location: Houston
Expertise: I live coffee

Espresso: Duetto II; Twist v2
Grinder: M Major, Macap M4 x2, VDD...
Drip: Espro presses; Aeropress
Roaster: H-B "List of Favorites"
Posted Fri Feb 14, 2014, 8:12am
Subject: Re: Mazzer Major's NEW hopper assembly - taking it apart
 

I cut the hopper off with a hacksaw.  The throat will hold one dose and with the sliding lock closed, another dose can be placed on top of it...

emradguy: hopper collar cut.jpg
(Click for larger image)

 
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Always remember the most important thing is what ends up in your cup!
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emradguy
Senior Member
emradguy
Joined: 31 Mar 2011
Posts: 3,119
Location: Houston
Expertise: I live coffee

Espresso: Duetto II; Twist v2
Grinder: M Major, Macap M4 x2, VDD...
Drip: Espro presses; Aeropress
Roaster: H-B "List of Favorites"
Posted Fri Feb 14, 2014, 8:14am
Subject: Re: Mazzer Major's NEW hopper assembly - taking it apart
 

and Wayne asked to see the throat and adjustment ring...seems to be unchanged from earlier designs...

The linear slot at the back of the grinder receives the flat tab in the base of the collar (see prior photo).  the hole for the lag bolt in the collar is hidden between the adjustment ring and that linear slot...

emradguy: throat.jpg
(Click for larger image)

 
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emradguy
Senior Member
emradguy
Joined: 31 Mar 2011
Posts: 3,119
Location: Houston
Expertise: I live coffee

Espresso: Duetto II; Twist v2
Grinder: M Major, Macap M4 x2, VDD...
Drip: Espro presses; Aeropress
Roaster: H-B "List of Favorites"
Posted Fri Feb 14, 2014, 8:15am
Subject: Re: Mazzer Major's NEW hopper assembly - taking it apart
 

this sketch of the collar shows crucial measurements taken using Groz calipers...

emradguy: collar sketch.jpg
(Click for larger image)

 
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calblacksmith
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calblacksmith
Joined: 25 Nov 2007
Posts: 7,775
Location: Riverside, Ca, U.S.A.
Expertise: I live coffee

Espresso: ECM Vene. A1, La Cimbali M32
Grinder: Azkoyen Capriccio, Major
Vac Pot: 40s era Silex
Drip: Msl. Com. brewers
Roaster: gave it a try, decided no
Posted Fri Feb 14, 2014, 10:51am
Subject: Re: Mazzer Major's NEW hopper assembly - taking it apart
 

Thanks for getting the pics up.
The safety interlock must be a proximity switch with something in the shroud that has been added, perhaps a magnet sensor. It does not look like the tab presses a switch in the slot does it? If so, that is a REAL easy "fix" :D

EDIT
After looking at the sketch, if that tab is really that long, then it seems that it simply presses down into the slot and activates a switch inside the grinder. Cutting the tab and screw assy off the shroud would then just screw into place as it always would and you could put any hopper on you want. A perhaps a better looking tab could be made to fit into the slot and to be screwed down yet be more streamlined or heck even a wooden top made for the grinder out of an exotic wood to be an accent to the top of the grinder while providing an override to the safety switch :D That could look good if done properly :D:D:D

 
In real life, my name is
Wayne P.
Anything I post is personal opinion and is only worth as much as anyone else's personal opinion. YMMV!

Feed the newbs, starve the trolls and above all enjoy what you drink!
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emradguy
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emradguy
Joined: 31 Mar 2011
Posts: 3,119
Location: Houston
Expertise: I live coffee

Espresso: Duetto II; Twist v2
Grinder: M Major, Macap M4 x2, VDD...
Drip: Espro presses; Aeropress
Roaster: H-B "List of Favorites"
Posted Fri Feb 14, 2014, 12:18pm
Subject: Re: Mazzer Major's NEW hopper assembly - taking it apart
 

I like your idea about making a nice looking wooden piece to fit the back of the grinder.  I'll probably do something like that when I'm ready to employ a small hopper...'cause, as you may recall, I like woodworking.

 
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gbastiani1952
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gbastiani1952
Joined: 18 Dec 2008
Posts: 277
Location: North Carolina
Expertise: I live coffee

Espresso: QM Andreja Premium
Grinder: Cimbali Junior
Drip: Crusinart
Posted Sun Feb 16, 2014, 6:11pm
Subject: Re: Mazzer Major's NEW hopper assembly - taking it apart
 

What a lot of work, couldn't you find something else that the major can do but would of been a lot easier to mod. just asking

 
Gery Bastiani
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calblacksmith
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calblacksmith
Joined: 25 Nov 2007
Posts: 7,775
Location: Riverside, Ca, U.S.A.
Expertise: I live coffee

Espresso: ECM Vene. A1, La Cimbali M32
Grinder: Azkoyen Capriccio, Major
Vac Pot: 40s era Silex
Drip: Msl. Com. brewers
Roaster: gave it a try, decided no
Posted Mon Feb 17, 2014, 7:32am
Subject: Re: Mazzer Major's NEW hopper assembly - taking it apart
 

gbastiani1952 Said:

What a lot of work, couldn't you find something else that the major can do but would of been a lot easier to mod. just asking

Posted February 16, 2014 link

I know it looks like a lot of hassle but the situation is that the NEW Major design, has a safety switch built in (it used to not have one) so that you can not operate it without a hopper in place. The other hoppers do not have the switch provision and Mazzer specifically states that it is a commercial only grinder and should not be used any other place. The new safety hopper seems to be a way they have come up with to prevent the grinder from fitting under any cabinet to discourage home use.

My PERSONAL feeling is I don't know why Mazzer is so opposed to home use. A non geek is not going to buy a Major, heck we have a hard enough time getting them to buy a Vario. A geek will know how to operate the grinder and will be VERY unlikely to hurt themselves with it. I understand things like lawsuits and the fear of them and I am guessing that they are the reason behind the safety hopper.

 
In real life, my name is
Wayne P.
Anything I post is personal opinion and is only worth as much as anyone else's personal opinion. YMMV!

Feed the newbs, starve the trolls and above all enjoy what you drink!
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emradguy
Senior Member
emradguy
Joined: 31 Mar 2011
Posts: 3,119
Location: Houston
Expertise: I live coffee

Espresso: Duetto II; Twist v2
Grinder: M Major, Macap M4 x2, VDD...
Drip: Espro presses; Aeropress
Roaster: H-B "List of Favorites"
Posted Mon Feb 17, 2014, 7:37pm
Subject: Re: Mazzer Major's NEW hopper assembly - taking it apart
 

gbastiani1952 Said:

What a lot of work, couldn't you find something else that the major can do but would of been a lot easier to mod. just asking

Posted February 16, 2014 link

Like Wayne said, Mazzer is pretty determined to keep this grinder in the hands of professionals.  However, yeah...I could have done it all easier.

The doser mod is the same as Wayne described in his CBSJ thread, except my doser took two less screws to remove it. I could stick to paper for my schnozzola, like everyone else, but I want to make a really cool permanent, yet removable one, so I'm dealing with this brass sheet...and I expect the second one to go smooth and easy.

The real problem is the hopper assembly, unless having a hopper capable of holding over 2# of beans isn't an issue for you...but I even could have done that easier.  Here are the options I see:

1) cut off the hopper from the collar. I could have put it in a clamp or vise and used my Sawzall, but I decided to use a hacksaw.
2) cut off the tab that activates the microswitch, so that the grinder can be used hopperless, or with a different hopper.
3) fabricate a replacement for the tab, and then go hopperless or find a replacement hopper.

 
.
Always remember the most important thing is what ends up in your cup!
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