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Thread: 1964 Powermatic Jointer with rust on feed tables

  1. #1

    1964 Powermatic Jointer with rust on feed tables

    I'm restoring this old jointer that's got rust on the feed tables. I've tried WD40 and a scotchbrite pad as well as 0000 steel wool. This rust is deeper than this approach will address. I'm wondering what the next step should be?

    Not suggesting either of these is the next step, however I to have access to a blasting cabinet as well as a mill.

    Thanks!

  2. #2
    Join Date
    Dec 2006
    Location
    Yorktown, Virginia
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    5,022
    Hi Bob. Welcome aboard. I can't help beyond what you have already tried, but I bet there are a few people here with derusting expertise that will chime in. Glad you found us.

  3. #3
    Join Date
    Apr 2007
    Location
    No, not all of SoCal is Los Angeles!
    Posts
    9,077
    Deep stains are a badge of honor . . . just kidding. I thought I would make you feel better. I have lifted some severe shadows out of cast iron with Rust Free. These were "spot" fixes and not entire surfaces. It is caustic and can do more harm than good if you don't follow directions. On the other hand it has removed things I thought would never come out.
    Any sufficiently advanced technology is indistinguishable from magic.
    - Arthur C. Clarke

  4. #4
    Join Date
    Feb 2007
    Location
    North West Indiana
    Posts
    6,099
    If you haven't tried it, many times I have cleaned badly rusted items with liquid drain cleaner. Just go to your local dollar type store and get any type, The Works, works for me.
    Jon

    God and family, the rest is icing on the cake. I'm so far behind, I think I'm in first place!

    Host of the 2015 FAMILY WOODWORKING GATHERING

  5. #5
    Join Date
    Dec 2006
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    RETIRED(!) in Austintown, Ohio
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    5,323
    Are the tables smooth after the WD40 treatment, just stained discolored? Or are they pitted, with deep craters and a rough surface?

    If they're smooth, I'd just leave them alone, and live with the staining. It won't affect operation.

    If they're heavily pitted, then refinishing - preferably by Blanchard grinding - is in order.
    Jim D.
    Adapt, Improvise, Overcome!

  6. #6
    Thanks for the ideas! Here's what I've done so far on the none machined side of the fence.

  7. #7
    Join Date
    Oct 2011
    Location
    Cleveland, OH
    Posts
    8
    Single edge razor blade as a scraper. takes all the layers of rust of down to clean metal. Then use the scotchbrite and steel wool methods. I use one of those retractable blade holders for the razor. I cleaned a Delta 6" long bed tables in about 30 minutes with one or two blades.

  8. #8
    Join Date
    Sep 2007
    Location
    St. Louis, MO
    Posts
    583
    A lot of folks swear by "Evaporust". I've always had good luck using electrolysis. For a jointer, even if it's pitted in areas, as long as it registers flat along the length of the tables, the rust won't effect the machine's accuracy or useability. Before I got set up for electrolysis, I used Boeshield "Rust Free" with great results. Some people use lemon juice (citric acid will eat the rust).
    Good luck with it.
    paulh

  9. #9
    Join Date
    Dec 2013
    Location
    So Cal
    Posts
    2
    Electrolysis, my machines sat for 20 plus years uncovered In a metal building, take everything part (real pain) and cook it for about 24 hours. Gets down deep. Google it.

    Sent from my SAMSUNG-SGH-I337 using Tapatalk

  10. #10
    Join Date
    Nov 2006
    Location
    Mountain Home, Arkansas
    Posts
    11,833
    Quote Originally Posted by Jim DeLaney View Post
    Are the tables smooth after the WD40 treatment, just stained discolored? Or are they pitted, with deep craters and a rough surface?

    If they're smooth, I'd just leave them alone, and live with the staining. It won't affect operation.

    If they're heavily pitted, then refinishing - preferably by Blanchard grinding - is in order.

    My thought zactly. No gold stars for pretty.
    "Folks is funny critters."

    Think for yourselves and let others enjoy the privilege to do so, too. ~Voltaire

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