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Paint Shop Tech. Talk about paint removers, thinners, primers and application techniques plus related topics. Rust removal, paint substitutes and color matching.

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Rivet head rust removal.


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  #1  
Old 09-01-2016, 05:29:15 PM
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JIMnWV JIMnWV is offline
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Default Rivet head rust removal.

Curious if anyone knew of a tool or drill adapter that would be good for cleaning up the heads of convex rivets? The man I bought this truck from drug it through snow and salt about 300 miles and needless to say, the salt has not aided in any preservation. No water here at this shop so washing it has been on the back burner. Thinking of cleaning it up and painting it, but curious about this rivet detail. Any thoughts are appreciated.
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Old 09-01-2016, 05:30:16 PM
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Default Re: Rivet head rust removal.

Closer picture.
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Old 09-01-2016, 11:01:20 PM
John Hanson John Hanson is offline
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Default Re: Rivet head rust removal.

Soda blast. That's what I always did with my KW's when I rebuilt them. Works great!
John
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Old 09-02-2016, 07:08:11 AM
C-Wade7 C-Wade7 is offline
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Default Re: Rivet head rust removal.

I was thinking glue a piece of red scotch-brite pad cut in a 1/2" circle to the end of a wood dowl and chuck in a drill. It has some give and may couture to the shape of the head.
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Old 09-02-2016, 11:22:32 AM
Tracy T Tracy T is offline
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Default Re: Rivet head rust removal.

Rolock disc in a angle diegrinder. And alot of patience, helped do a Mac tool truck what a PITA!!
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Old 09-02-2016, 12:33:22 PM
Andrew Mackey Andrew Mackey is offline
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Unhappy Re: Rivet head rust removal.

Unless you remove and or neutralize the salt, the rust will come back - under the paint! you also have to get out from behind the head of the rivet. sealing it in with a coat of paint will cause it to eat thru the backside, if it has not done so already! salt is nasty stuff - especially if the riveted material is aluminum. galvanic activity will eat both items (dissimilar metals will act like a battery)

My son is working on several pieces of equipment that were used in a salt dome. One, a john Deere tractor is so badly corroded, that it is not worth trying to repair. Some damage: Bucket rusted thru. Lift arms paper thin, one is beginning to buckle. Frame rusted thru in several areas. Aluminum parts on engine reduced to mush - including intake manifold. Engine needs teardown - bad injectors and poor compression on one cylinder. Engine so badly rusted, head nuts and bolts rusted so the sockets wont fit, and ones that do are unmovable. injectors won't move! We tried heat, solvents of all kinds, even chilling with CO2. No deal, nothing will move! The other item is an enclosed electric cart. The frame s in bad shape, all brake parts shot, wheel rims nearly paper thin, most of the lug nuts snapped. Electronic motor controls compromised and more. Salt really does a number on equipment!!

Once you have the salt off, you can try Media blast, or a fine scotchbrite pad. you might also try a Dremel tool with a cup or flat type steel or brass bristle brush. In any case it will take time, and you have to watch for overheating the metal that was riveted. It will warp if it gets too hot! After cleaning, you will have to seal the area immediately, with a good primer and a seal coat. Primer alone will not do it - it does not seal against moisture.
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Old 09-02-2016, 05:27:12 PM
Amax Amax is offline
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Default Re: Rivet head rust removal.

Swirl the rivet heads with a small, stiff brush dipped in POR-15.

Wrap the truck.

Done.
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Old 05-20-2017, 08:38:36 PM
IronworkerFXR IronworkerFXR is offline
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Default Re: Rivet head rust removal.

Got to love "NOT" the liquid calcium..... just yet another way to get money away from you.
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