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Showing results for tags 'burr alignment'.
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Well this is something I never thought anyone would have to post! (and after googling I might actually be the first ) but I'm having an issue with the my tank of a grinder that is the Compak R120 I stopped weighing what I got out of it around a year ago because it was bang on every time so didn't see the point, I've recently change espresso machines so thought I'd treat myself and start weighing what's coming out and it's fluctuating by as much +- 0.7g (may not seem like a not but it's really out of character) I cleaned out the burr chamber at the start of the month and found the sweeper arms had a bit of a fines build up on them but assumed it was just because I hadn't cleaned it for a while. I did find that the bottom burr carrier looked like it has warped / buckled a bit but it's a proper substantial bit of metal so just assumed I was being anal and it must have always been like this so chalked it up to me not cleaning it enough. Have had the same issues throughout the month so had another look this weekend and after 20 days use (2 cups a day) the exit chute was completely blocked with fines, it was a soft block so wasn't compacted in any way but could see why it's being inconsistent. I cleaned it out and then ran 20g of coffee through and you can see the fines build up around the sweeper already as well as the coffee in the exit chute Spinning the burr around I can see that the carrier for the bottom burr isn't flush with the bottom of the burr chamber and looks to be warped https://photos.app.goo.gl/a1iSBjfZGqUvvytA8 and when moving the burrs towards touching there's a definite chirp https://photos.app.goo.gl/mL76cwseECcZiXW29 So.... I can only assume the issue with the bottom carrier is putting the burrs out of line and causing inconsistent grinding leading to increased fines I've tried lifting the burr carrier out but it's attached to the motor so doesn't just lift so not really sure where to start looking to see what's up with the alignment. Does anyone have any experience taking these beasts apart of can recommend anyone I can take it to? There's next to nothing online about them as I'm assuming they just don't go wrong? Any help would be massively appreciated!
I've seen Mat North's burr alignment guide for the Mythos and would like to perform it on my Royal. What I don't get is whether you need to perform the radial alignment (i.e. shimming a piece of paper between the burr and the carrier) after each addition of tape to get the axial one correct. He does it only in the beginning but when you remove the burr to adjust the axial alignment you will surely get the radial one off, no? http://coffeenavigated.net/wp-content/uploads/2016/10/MythosBurralignment-howto_MatNorth.pdf