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Cleaning Old Grinder
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mjoe
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Joined: 29 Jul 2013
Posts: 7
Location: maine
Expertise: Professional

Posted Sun Aug 18, 2013, 4:49pm
Subject: Cleaning Old Grinder
 

Hi all,

I managed to find an old astoria grinder laying on a back shelf of a local store. Needed some new parts.. including new burrs. But i think its going ot be a solid workhorse. One problem however.. when I started doing a deep clean prior to installing new burrs, I realized this thing had probably never been cleaned. There was sticky black caked resin all over the place, in between the plates, and in every corner.

So here's my question.. I know when cleaning my current grinder, we dont use any liquid or solvent. However, is there any harm in using a "food ok" solvent (or even dish soap and hot water) to clean some of the removable pieces.. collar, etc? maybe cafiza?

thanks for any advice.. just want to make sure Im not going to ruin anything
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calblacksmith
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calblacksmith
Joined: 25 Nov 2007
Posts: 7,949
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 Tue Aug 20, 2013, 5:17am
Subject: Re: Cleaning Old Grinder
 

Hello,
Uh, no there is no problem with taking non electrical parts and washing them in the sink with soap and hot water. For bare steel parts such as the burrs, I advise making sure they are well dry very quickly, perhaps a hair dryer to heat them up and dry after washing but no, you will not harm any of the parts by cleaning them with soap, hot water and a stiff brush.

 
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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NobbyR
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NobbyR
Joined: 10 Jul 2011
Posts: 2,058
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 Aug 20, 2013, 5:24am
Subject: Re: Cleaning Old Grinder
 

To remove coffee oil stains you might also use "wicket liquid", a solution of one tablespoom of JoeGlo backflush detergent per quart of hot water. You can soak the parts for a few minutes. They say that if it doesn't come off in 10 minutes, it's not coming off 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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calblacksmith
Moderator
calblacksmith
Joined: 25 Nov 2007
Posts: 7,949
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 Tue Aug 20, 2013, 6:41am
Subject: Re: Cleaning Old Grinder
 

Well, 10 minutes?
It depends on how badly you want to remove the crud! Stains, I will agree with that and 10 minutes but coffee gunk, hot water, good soap and a stiff brush will clean just about everything that is possible to be cleaned. OH and some work on your part LOL!

 
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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CoffeeLoversMag
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CoffeeLoversMag
Joined: 10 Jan 2013
Posts: 218
Location: Seattle
Expertise: I love coffee

Posted Thu Aug 22, 2013, 6:27am
Subject: Re: Cleaning Old Grinder
 

You can use Ĺ cup of white rice and put it into the grinder and cycle through the finest setting. Use brush to get any hard to reach areas and probably you can remove the Hooper to clean better and wipe with clothes. After cleaning by brush and clothes, you can cycle the remaining Ĺ cup of white rice through the grinder and if the rice is still dirty looking, run another cycle of rice. Lastly, grind about one cup of coffee beans that you donít mind throwing out. For sure, you can have a clean grinder ready for grinding the coffee you want.

 
Did you know...? Dark roast coffees actually have less caffeine than lighter roasts due to the fact that the process of roasting burns off caffeine.
www.coffeeloversmag.com/theMagazine
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calblacksmith
Moderator
calblacksmith
Joined: 25 Nov 2007
Posts: 7,949
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 Thu Aug 22, 2013, 7:06am
Subject: Re: Cleaning Old Grinder
 

My understanding of this grinder is that it is beyond rice for a cleaner, I know the heavy tar I have found inside abused commercial grinders would laugh a rice and have it for breakfast. Rice works to keep a grinder that is in reasonable shape, clean but sometimes ya just need to take things apart and give them a good old scrubbing.

 
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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NobbyR
Senior Member
NobbyR
Joined: 10 Jul 2011
Posts: 2,058
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 Fri Aug 23, 2013, 2:37am
Subject: Re: Cleaning Old Grinder
 

calblacksmith Said:

Well, 10 minutes?
It depends on how badly you want to remove the crud! (...)

Posted August 20, 2013 link

Agreed, Wayne! I wouldn't object to letting the parts soak overnight and use some scrubbing afterwards neither.

 
***
"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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Flori
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Joined: 18 Apr 2013
Posts: 114
Location: USA
Expertise: I love coffee

Posted Fri Aug 23, 2013, 2:44am
Subject: Re: Cleaning Old Grinder
 

you can use descaling solution when you clean.

flori
blogger, coffeeloversofworld.com
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calblacksmith
Moderator
calblacksmith
Joined: 25 Nov 2007
Posts: 7,949
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 Tue Aug 27, 2013, 6:42am
Subject: Re: Cleaning Old Grinder
 

Descaling and cleaning coffee tar are two different things. Descaling is for removing mineral buildup, coffee tar often laughs at mineral chemicals. It comes down to solvents. The minerals are dissolved in a water base while coffee oils require an oil dissolving detergent. It truly is as simple as oil and water don't mix.

 
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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sgtserve
Senior Member


Joined: 29 Aug 2013
Posts: 1
Location: MO, USA
Expertise: I love coffee

Posted Thu Aug 29, 2013, 2:33pm
Subject: Re: Cleaning Old Grinder
 

I agree with others, consistent cleaning is the key, and sometimes you do have to take them apart.

I have also used CLR to clean equipment, but I usually go through a couple steps after that to make sure it's food-safe again. The CLR has worked wonders on parts when I'm having problems with your typical dish-soap.
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