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Welded bushings

Discussion in 'Welding' started by Sberry, Jan 15, 2021.

  1. Sberry

    Sberry Senior Member

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    I am working on a loader and the bucket arm bush is outright gone, been for a long time and the po had come up with a greasee scheme must have worked for a while. Assuming we simply weld up the hole or shim/weld up with heavywall pipe and side shim it to reduce dirt, pump some moly 3 in to it nd let it wear steel to steel how long could we expect to run it?
     
  2. JLarson

    JLarson Well-Known Member

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    Better off having it line bored and new bushings pulled in, possibly bore welded then bored back to size if needed.
     
    Nige likes this.
  3. Sberry

    Sberry Senior Member

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    I was wondering how long a fix lasts? The bore is already ruined. I been looking for parts and so far it's a slow go. Ain gonna hurt one of the holes any more than it is. If we wore it out could always do it again.
     
  4. Sberry

    Sberry Senior Member

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    It's Dresser 515. I was trying to find some parts listing. So far doesn't seem like I can find parts pages similar to JD.
     
  5. Sberry

    Sberry Senior Member

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    I am going to get a pic of the cutting edge also. There was a little creative work done to it too. The bucket link needs buns and seals at one end and the top could make it with seals. Looks like a disk bearing seal.
    I understand mild isn't hardened bush but I am sure I am not the first with this scheme. Be different if it was not eye worn and headed for 5000 hrs of service vs 500 utility.
     
  6. Bls repair

    Bls repair Senior Member

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    If your looking for heavy usage I would do what JLarson said to do.
     
    Tones likes this.
  7. John C.

    John C. Senior Member

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    It never lasts for long. Whatever piece of pipe you stick in there moves around enough to break the welds and then it just becomes pieces to grind on the pin.
     
    Nige likes this.
  8. Welder Dave

    Welder Dave Senior Member

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    Some pics. would really help.
     
  9. Sberry

    Sberry Senior Member

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    Ithete was a minor bend in the arms, less than 1/4 in one and I bend one back 1/2 or so and got them within 1/4 and don't think I gonna fuss with it anymore.
     
  10. Sberry

    Sberry Senior Member

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    I would like to quote. Let me see about pics. I did some measuring and am surprised how localized part of the damage is. I understand hard use, I understand it not being strong enough. It was working with a piece of hot roll in it and a missing bushing. I just made 2 bushings from 2 inch sched 80, 1 side might even be close enough to put seals in it and even a chance I can do it to the other one. I found trailer wheel seals at auto parts 3$ a piece.
    Would motion industries have bushings?
     
  11. Sberry

    Sberry Senior Member

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    Ithete was a minor bend in the arms, less than 1/4 in one and I bend one back 1/2 or so and got them within 1/4 and don't think I gonna fuss with it anymore.
     
  12. Sberry

    Sberry Senior Member

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    20210113_184120.jpg 20210113_184147.jpg 20210109_151348.jpg
     
    Jonas302 likes this.
  13. Sberry

    Sberry Senior Member

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    Ok the stuff. 20210113_184214.jpg 20210113_184233.jpg 20210113_184223.jpg 20210113_184243.jpg
     
  14. Sberry

    Sberry Senior Member

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    I think the last one is the link. It needs replaced now.
     
  15. Welder Dave

    Welder Dave Senior Member

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    Probably need to bore for oversize bushing or build up to fit original size and line bore. Depending on how much out of round a split tension bushing may be an option. Pipe by itself will too soft and not last. Probably not a good fit either.
     
  16. Jonas302

    Jonas302 Senior Member

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    Loaded trucks for years with a 980B with DOM tubing welded in aligned with a shaft old junk aint to fussy
     
    Tinkerer and DB2 like this.
  17. Nige

    Nige Senior Member

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    And if it was line-bored that 1/4" of bend wouldn't matter one bit because the pins would be on a single axis.......
     
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  18. Sberry

    Sberry Senior Member

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    I was wondering what the real life might be. Not going to work in in a pit all day. Mostly simple utility, some snow and a little digging and bucket hauling. I might be able get it close. Looks like inam going to get the sleeves quite tight and weld the ends in. Its not a huge deal to.cut them out down the line if we really ran it much. If there was more in this area would invest in the equipment. Does a guy but sleeve and cut stock bushings? I really don't want to become a machine shop, if I was already tooled it would be another matter. I was thinking there would be ready made parts on hand. I see lots of Cat and JD, nothing for this. Even 1 bushing would make it easier, actually 2
     
  19. Sberry

    Sberry Senior Member

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  20. Sberry

    Sberry Senior Member

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    What kind of pics you want to see? tailgate vices and storage.JPG Hobart cart.JPG Welder group new.jpg booth cab.JPG
     
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