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Thread: Combo Square ?s

  1. #1
    Join Date
    Mar 2006
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    San Diego area
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    302

    Combo Square ?s

    The little square's blade lock isn't locking, can't figure out what's wrong?

    also, I've been wanting to clean both up so they're easier to read, so what's the corect way to do that??

    1 IMG_0255.jpg
    WoodsShop

  2. #2
    Join Date
    Mar 2003
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    SE PA - Central Bucks County
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    58,177
    Is the spring missing by any chance?
    --

    The most expensive tool is the one you buy "cheaply" and often...

  3. #3
    Join Date
    Mar 2009
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    Sterling, Virginia
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    562
    In one of mine the little part that rides in the groove in the blade bent. Guess I tightened it to much. Pull the blade and sight through the slot and check.

  4. #4
    Join Date
    Apr 2013
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    Okotoks AB
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    To clean the ruler, I used 220 sandpaper and an uncushioned sanding block to sand all the rust & schmutz off. It worked well & as a bonus it flattened all the humps left by the crude embossing process, which tightened up the lines significantly. Made it look almost like a Starrett. If the paint is gone from the lines, you can apply some black paint prior to sanding the surface smooth.

    A coat of paste wax made for smoother action.

  5. #5
    Join Date
    Feb 2008
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    E TN, near Knoxville
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    Quote Originally Posted by Frank Pratt View Post
    To clean the ruler, I used 220 sandpaper and an uncushioned sanding block to sand all the rust & schmutz off. It worked well & as a bonus it flattened all the humps left by the crude embossing process, which tightened up the lines significantly. Made it look almost like a Starrett. If the paint is gone from the lines, you can apply some black paint prior to sanding the surface smooth.

    A coat of paste wax made for smoother action.
    I did a very similar thing but used 400 and 600 grit. Improved the look an old combo square a lot.
    Of course, there's nothing like a new Starrett! (in appearance and smoothness of operation)

    JKJ

  6. #6
    Join Date
    Mar 2006
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    San Diego area
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    some things for me to check now, thanks fellas!
    WoodsShop

  7. #7
    Join Date
    Mar 2006
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    would a flat black rusteoleum be a good paint?
    WoodsShop

  8. #8
    I rub mine down with a Scotchbrite pad to clean up tarnish.

  9. #9
    Join Date
    Nov 2020
    Location
    New Orleans, LA
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    47
    I'd start with 0000 steel wool on the rusty ruler, always easy to go with something coarser if that does not do it. The small one just looks like it has some crud on the surface, I'd start with mineral spirits and paper towels on that one.

  10. #10
    Join Date
    Apr 2013
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    Okotoks AB
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    Quote Originally Posted by Joe Wood View Post
    would a flat black rusteoleum be a good paint?
    Anything black would work. I even used a sharpie to blacken the markings on one of mine & it was fine.

  11. #11
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    Mar 2006
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    San Diego area
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    Great tip Frank!
    WoodsShop

  12. #12
    Join Date
    Nov 2006
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    N.E. Ohio
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    would a flat black rusteoleum be a good paint?
    India ink would be much better than paint since it's thinner.
    My granddad always said, :As one door closes, another opens".
    Wonderful man, terrible cabinet maker...

  13. #13
    Join Date
    Jan 2018
    Location
    Vancouver Canada
    Posts
    513
    Joe, as far as the knob not locking, try speaking to Lee Valley, They nave parts for squares and it fixed up my square greatly.
    Young enough to remember doing it;
    Old enough to wish I could do it again.

  14. #14
    I always use a small flat file like a points file on the body edges where the blade slides. They are usually sharp. That makes the blade slide better.

  15. #15
    Join Date
    Feb 2014
    Location
    Lake Gaston, Henrico, NC
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    6,003
    The first thing I do when one gets aggravating, is to spray a blast of brake cleaner down the slot to clean off the little keeper that the knob tightens down into the groove. I don't remember that ever not working, if it had been locking nicely before.

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