Metal parts refurbishing

scottsmith

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I am starting my first coin door refurb (progress pics tom'w). It is a Coinco. Good bit of rust/corrosion - especially on the plated metal that all of the wiring and mechanical bits bolt onto.

My question is this...once I clean and polish this (with naval jelly and my dremel/polishing agent, do I need to coat it with something to keep it from corroding again?

My initial thought is to spray the metal pieces with a light coat of clearcoat...wrong idea?

Thanks as always -

-scott
 
Some pics

Here are a few starter pics....got to working on Dig Dug while it was cooler this morning and will come back to the coin door this afternoon.
 

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If it was me, I'd put a layer of clear on it. I'm far from even a novice on restoring arcade machines, but I do know a bit about restoring metal. If you can clean it up and it looks like factory again, then thats what I would do. If you end up getting the rust off and it looks like crap under those spots, you could always do something like this:http://www.eastwood.com/new-golden-cad-system-w-diamond-clear.html

I don't know how much you want to spend on restoring the machine, but it's an option.
 
Hmm looks like yellow zinc plating. No great way to fix that, but you might want to just hit it with some steel wool then clear coat it like previous poster suggested. You could just hit it with steel wool and wadding polish I guess as well, but the pitted areas would probably rust again in short order.

It is that or blast/powder coat it a similar color, get it re-plated, or paint it (but paint might be a bad idea especially in the coin return cups where it would chip).
 
As mentioned above, looks like yellow zinc plating, and if it is rusted is has gone through the coating and such will be a different color once you remove the rust.

You can try a product called Evaporust which will disolve all the rust, but then you will have to deside what to do about the color differences. Replating it would be the best, but that depends on how much you are wanting to spend.
 
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