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Working with brass (Marzocco)

Postby heshca on Tue Nov 16, 2010 3:49 pm

In the process of taking apart the Marzocco I acquired via craigslist in preparation for a rebuild, I have put some superficial scratches/dents in the brass fittings. I am wondering, after I do the descaling, what is the best procedure for buffing these out?
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Postby wookie on Tue Nov 16, 2010 4:54 pm

Assuming that you are talking about interior fittings i.e. they don't have a lacquer clear coat & are solid brass, not brass plated.. then you can use a jeweler's rouge (fine abrasive paste) to buff out superficial scratches. Rub in a circular motion with a clean, soft cloth e.g. flannel or carefully with a rotary tool buffing wheel.
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Postby cannonfodder on Wed Nov 17, 2010 12:09 am

If they are interior parts, why spend the time buffing them? They will never be seen unless you plan on putting a lexan case on the machine. You know, that would be interesting to do, a see through espresso machine.
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Postby duenorth on Wed Nov 17, 2010 1:44 am

You mean like this ;)
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Postby barry on Wed Nov 17, 2010 2:37 am

heshca wrote:I have put some superficial scratches/dents in the brass fittings.



which parts?
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Postby wookie on Wed Nov 17, 2010 2:47 am

Lots of cafes have put plexiglass or glass cases on their machines.

Image
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Postby Paul_Pratt on Wed Nov 17, 2010 5:40 am

I'd just leave the fittings alone. The pipes you can just scrub with scotchbrite pads and leave them at that - that gives a much better lasting finish than polished pipes which tarnish within days.
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Postby barry on Thu Nov 18, 2010 3:49 pm

...or you can get everything gold plated. Right, Paul?
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