did a thorough clean of my Rancilio Rocky grinder and burrs, until I can get a new grinder. But there is a concerning whining with the burrs out when activated. I'll try to post a video. Any input on if this is a problem, and if so, how to fix it?
Thanks in advance!
Grinders are one of the keys to exceptional espresso. Discuss them here.
With the burrs out I would expect motor to sound different. There's no load so it will sound spin faster and have a higher pitch. Put your burrs back in and listen to how it sounds. I used a Rocky for 19 years, so I have hours of listening to one