Hi all.
Something is wrong with my grinder - it is very noisy and shaking a lot!
Someone told me to replace the pulley but I cant see any issues?
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Best, Morten

Sounds like the screw in the pulley is loose and needs to be tightened.
Put some loctite into the threads and it should be good.

It also looks like there is some belt wear from this which has caused rubbing (the black stuff on the grinding chamber).
May have to check if that needs a replacement also?