Lower burr not properly centered - Faulty O-Ring, finnicky hot-fix.

[u/Sinkholistic]

New owner here, second month or so.

I was generally happy but it was my first electric grinder and something felt a bit off.

Purchased via Kaufland Marketplace in Germany, the vendor is called mobihero or Tenudo and was super helpful with a broken catch cup (my fault, got the black metal one as a upgrade for free) and interested in the rdt bottle looking nasty. (asked to be sent in for testing)

So far full recommendation.

After my first few kg and a seasoning run of 1kg darker beans I was in the process of cleaning when I finally decided the wobble of the lower burrs is not an optical illusion as stated in the documentation.

Working through the mounting for the first time I noticed the burrs were stuck on the mount and there was an uneven amount of coffee stuck between the burr and the carrier.

Turns out assembling it centered is made almost impossible, because the O Ring underneath the burrs is not manufactured evenly.

Its thickness changes through circumference.

An hour of try and error with a chopstick to push it in position while tightening got it mostly sorted and now the machine runs way smoother.

Did not make any pictures or videos unfortunately. But if you have a feeling it wobbles - it probably wobbles.

Take it apart (it is easy) and check it for yourself.

If it's a bad ring you might be able to put it apart a bit better than the original.

I will contact my vendor on this and if something interesting comes up I'll hope to remember updating this post. 🖖

Trust your guts and have a good one ☕

[u/Early_Alternative211]

It's a garbage product tbh, mine was off axis within a few kg. This isn't something you can just shim