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Thread: Restoring an IBM XT AT 5150 5160 case

  1. #1

    Default Restoring an IBM XT AT 5150 5160 case

    Hi,

    I have a case from IBM 5160 that was severely damaged by rust ... So I removed most of the rust, but now I have "holes" where the paint is missing.

    Photos are here: here

    1) How can I fill the holes so that there are no edges?

    2) How to re-create the same texture? If I just pain it, it will be visible around the "holes" because it will be flat (because the bare bone metal is flat).

    3) Does somebody knows what is the color of the case? Where could I buy a match?

    4) Would the case survive sanding and removing all the paint? I have some doubts ... after all sanding always makes the metal a bit thinner, right?

    I live in Europe, France.
    Last edited by tonata; February 21st, 2020 at 01:29 AM.

  2. #2

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    I cannot help you with the color. Regarding the "holes" and sanding: because of these "holes" you are better off with removing the paint completely. And removing the paint can be done by sanding the case. Sanding can remove some of the metal but, if careful done, we are talking then about fractions of a millimeter. Certainly if you only have to remove the paint.

    Still a comment regarding the color: if you cannot get a 100% perfect match, IMHO nobody will notice. You can always blame it to the age of the computer
    With kind regards / met vriendelijke groet, Ruud Baltissen

    www.baltissen.org

  3. #3

    Default

    Automotive Filler/ High build primer. it works awesome! it's designed to fill small imperfections before paint is applied. Spray it on, it goes on thick, then sand it back flush.

    I used it on my Leading edge http://www.vcfed.org/forum/showthrea...se-rust-repair




  4. #4
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    Default

    Some earlier related threads: 47127, 62068, 64341

  5. #5
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    For texture, someone elsewhere suggested to try some of the Rustoleam textured paints, once you find the right pattern in a very light colour, you spray it , then spray over that with the desired color.
    I haven't tried it.

  6. #6
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    I'd probably just bead-blast the case after removing the bezel and make a clean job of repainting.

  7. #7
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    The case was originally powder coated IIRC so if you wanted to be authentic, you could send it off to get powder coated again. You'd probably want to match the color as best as possible first so you're not guessing later. Paint stores have color cards you could compare the case color to get a close match.

    I wouldn't sand the case, paint remover get rid of the paint and a rust converter will take care of the rust. MC-51 is a great product for getting rid of rust, it converts rust back to good metal without being super caustic or corrosive.

    https://www.mc-51thebestrustremover.com/

    MC-51 is mostly safe with paint, so you could forgo the paint stripping and just kill the rust and experiment with trying to repair the bad areas.

  8. #8

    Default

    Quote Originally Posted by GiGaBiTe View Post
    The case was originally powder coated IIRC so if you wanted to be authentic, you could send it off to get powder coated again. You'd probably want to match the color as best as possible first so you're not guessing later. Paint stores have color cards you could compare the case color to get a close match.

    I wouldn't sand the case, paint remover get rid of the paint and a rust converter will take care of the rust. MC-51 is a great product for getting rid of rust, it converts rust back to good metal without being super caustic or corrosive.

    https://www.mc-51thebestrustremover.com/

    MC-51 is mostly safe with paint, so you could forgo the paint stripping and just kill the rust and experiment with trying to repair the bad areas.
    Sorry. I did not get it. What do you mean by "send it off". How to powder coated it again? At home? Also I am in Europe, so American products are harder to get.

  9. #9

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    Quote Originally Posted by tonata View Post
    Sorry. I did not get it. What do you mean by "send it off". How to powder coated it again? At home? Also I am in Europe, so American products are harder to get.
    Find a powder coating facility and take it to them to be recoated. This is widely available and cheap, but can't be done at home.

  10. #10

    Default

    Yup find a professional paint shop that does Powder coating, I don't know about being cheap though, I've never had one done, I've scrapped loads of cases over the years because of rust, The question that always comes to mind is " Is it worth it ", 5160's are not exactly rare or worth a lot, If i was desperate i'd take it back to bare metal and buy a few rattle cans.

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