Posted Tue Apr 2, 2013, 4:17am Subject: Re: Need help restoring brass grinder parts
Yeah a scothbrite didn't help much. I think this may just be aged brass that wasn't taken care of. I'll try some simple green tonight and if it doesn't work no biggie. These are internals that aren't visible from the outside of the grinder. The finish is smooth and clean it just doesn't look as pretty.
billc Senior Member Joined: 15 Jan 2009 Posts: 135 Location: Seattle, Washington Expertise: Professional
Espresso: CC1 - GS - GS3 - GB5 Grinder: Baratza - Mazzer-Marzocco Drip: My own Creation
Posted Tue Apr 2, 2013, 6:59am Subject: Re: Need help restoring brass grinder parts
For grinder parts I often use a wire wheel to clean bronze and brass parts. It is not the best solution but have found it works quite well in a pinch. Try ono a small surface first to be sure it will not damage your parts. YMMV.
DavecUK Senior Member Joined: 21 Sep 2005 Posts: 1,460 Location: UK Expertise: I love coffee
Posted Wed Apr 3, 2013, 5:16am Subject: Re: Need help restoring brass grinder parts
The best way to deal with those parts is to leave them alone and go find something more constructive to do. An annual check of your espresso machine perhaps, or dropping the shower screen and group gasket every 3 days to clean behind it.
Posted Thu Apr 4, 2013, 4:40am Subject: Re: Need help restoring brass grinder parts
I do this regularly DavecUK. I was cleaning 2 commercial grinders that have been sitting in dirty grounds for almost a year. They needed a cleaning. I have new burrs on the way. Simple green did a good job cleaning but the dirty looking brass is permanent unless I wanna scratch it up to get it off which isn't constructive.. LOL.
Posted Mon Apr 8, 2013, 6:44am Subject: Re: Need help restoring brass grinder parts
Thanks I will try that once I have some to pick out of the garden next spring. I should be getting new burrs today and I was mostly worried about stale coffee where it can't be cleaned regularly. These parts are from an old VFA grinder that is next to impossible to find so it will most likely be replaced in the future.
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