I cleaned it several times already and now I tightened the lower burr but the problem remains. I made some experiments with it, tried GRINDZ cleaning material and the grinder grinds it perfectly on the finnest setting. Bought the lightest roasted beans I could find to try it out but there was no difference frome my meddium/dark roasted beans which are grinded ok at setting 30 but get clogged on setting 25 (coffee sticks to the lower burr and cloggs upward). The grinder seems to be working fine, the burr rotates fine without any noticable mecanical issue. I dont get it, why would it work fine with GRINDZ but coffee will clogg it on the finner settings? Do you think I could have dameged the burrs with so little use (or when I accdientaly runned it without the upper burrs)? Or could have damaged someting mecanicaly which isn´t so noticable? Could a static problem be doung this (Ill try soap washing the lower burr)? It definetly doesn´t seem as the videos you suggested me.
The sound im telling you is more a skweak, as if the impeller was having friction with something. I tríed adding few beans and see where the y are clogging and it seems that the y are a le to pasas below the upper burr but the grinds stick to the lower burr making short of a cake around the burr and stopping further grinds to Go through the burrs. I tríed these without the hopper to have a better look. Seems as if the beens were too dark but they are a medium roast tending to the dark side. Could it be that the lower burr is a bit higher than it should? Thanks
Last night I changed the impeller to my BCG600. Thanks for this post, realy well explained. Sadly my issues were only solved by half. Maybe you can give me some advise.
The grinder was used daily for over 6 months until I grinded realy dark coffe with it, which it clogged the grinder. After cleaning it throughfully and making the mistake of running the grinder without the upper burr with grindtz on it the problems started. On any grind setting the coffee wasn´t going through the burrs, jamming them. On coarse settings it kind of worked sometimes but not consistently. I decided to buy the shapeways impeller as I thought that the grinds were not being expelled correctly. After the impeller change above grind setting 35 it works great but on 30 it starts to sound a bit loud and grinds dont come out consistently. On setting 25 it definetly jams again. Tried by changing the inner burr adjustment to 10 but the issue only moved about 10 settings finer.
I will apreciate any suggestion! Thanks!
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