globetrotter Senior Member Joined: 19 Sep 2013 Posts: 6 Location: San Diego Expertise: I love coffee
Posted Sat May 3, 2014, 9:54pm Subject: Are my burrs damaged?
I can't seem to get a fine enough grind on my Gaggia MDF anymore. I've had it for about a year now, and bought new. It the last few weeks I've noticed that my shots are brewing too fast, meaning I need a finer grind. I use to use the settings between 2-4 depending on the bean to get a perfect shot. Now I have to have it one 1, and it's still not fine enough.
I re-calibrated the burrs and took it all apart by watching a u-tube tutorial. After "1", the burrs start to touch eachother, so I know the "1" is the closest I can get without damaging the burrs. Is there anything I can do, or do they need to be replaced? I thought they would last longer than a year. I only make 2 shots a day.
NobbyR Senior Member Joined: 10 Jul 2011 Posts: 2,081 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 Sun May 4, 2014, 2:01am Subject: Re: Are my burrs damaged?
After a year of average use the burrs shouldn't be worn yet. You can usually grind 200 to 600 kg of coffee, depending on the grinder, before you'll have to replace them. So if you grind 2 kg per month, for example, you would have to replace the burrs after 8 to 25 years, unless they get damaged for some reason.
Is there anything you have changed in your set up or preparation recently? What kind of coffee beans do you use? How fresh are they?
*** "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)
Posted Sun May 4, 2014, 7:14am Subject: Re: Are my burrs damaged?
Take off the burrs and see if you can find any damage. Also run your finger nail across the sharp edge of the teeth. You should get a light scratch on your nail. I went crazy with the same problem with my grinder and sure enough the burrs indeed were damaged and I just needed new ones.
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