Had welded the steering worm shaft on a Farmall 140 a few months ago to correct a half-round of slack. At the same time, put in new bushings, seals, and bearings. Well about 2 weeks ago I had gotten it out to let it run and drove it around the yard and upon putting it up, one of the bolts sticking out from the front wheel weight on the right side caught the steel post in the building (was driving in at idle with foot on clutch). Upon hitting it, I stopped and tried to turn the wheel to the left to miss it, but apparently it was still up against the post. I couldn't see from my point of view. I barely turned the wheel and before I knew it.....POP, then I had a half-round of slack back in the steering. Took it apart today, and saw where the weld had broken all the way around the shaft. Haha, I'm blaming it on the shed not being big enough instead of too many tractors.
I wonder why it broke so easily? Is it because we ground down the weld? Just thought I would share. Back to the grinder and welder.
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Weld Broke on Steering Worm Shaft
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- AL Farmall Boy
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Weld Broke on Steering Worm Shaft
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Regards,
Chase
205-368-5339
ihfarmallrtr@gmail.com
Follow my page "Alabama Tractor Pickers" on YouTube & Facebook!
Chase
205-368-5339
ihfarmallrtr@gmail.com
Follow my page "Alabama Tractor Pickers" on YouTube & Facebook!
- AL Farmall Boy
- 10+ Years
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- Joined: Tue Aug 10, 2010 6:38 pm
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Re: Weld Broke on Steering Worm Shaft
We ground it back down and dished it out some to allow for more weld. Then ground it flat so it would fit flush in the housing. Had it back together and fixed in about 2 hrs after I posted the pictures. It's tight again!
I believe we had just ground too much if the weld away to begin with and that is why it failed. I asked my uncle if he dished it out before and he didn't but thought about it. We will do that from now on. He also turned the welder up and welded it hotter this time.
I believe we had just ground too much if the weld away to begin with and that is why it failed. I asked my uncle if he dished it out before and he didn't but thought about it. We will do that from now on. He also turned the welder up and welded it hotter this time.
Regards,
Chase
205-368-5339
ihfarmallrtr@gmail.com
Follow my page "Alabama Tractor Pickers" on YouTube & Facebook!
Chase
205-368-5339
ihfarmallrtr@gmail.com
Follow my page "Alabama Tractor Pickers" on YouTube & Facebook!
-
- 10+ Years
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Re: Weld Broke on Steering Worm Shaft
From the looks of the break, there wasn't much weld holding things together. Probably didn't get much/any real penetration due to the hardness and mass of metal, and then grinding down the fillet weld you did have didn't help things.
What'd you use to weld it?
What'd you use to weld it?
- John *.?-!.* cub owner
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Re: Weld Broke on Steering Worm Shaft
I am only a hobby welder, but my thoughts are the same as Matt's. did not appear to be much penetration, only surface weld. It needed to be V'd out some and a higher temperature rod, such as 7018 used. Note, 7018 rods are easier to start if warmed up before using.
If you are not part of the solution,
you are part of the problem!!!
you are part of the problem!!!
- AL Farmall Boy
- 10+ Years
- Posts: 2555
- Joined: Tue Aug 10, 2010 6:38 pm
- Zip Code: 35630
- Circle of Safety: Y
Re: Weld Broke on Steering Worm Shaft
yeah, my great uncle has been a welder (by trade) for around 40 years and he used (I believe) a 7018. He v-ed it out this time and welded it hotter than before so he could get better penetration......just as you guys said. We think it will hold now and will do them all that way from now on. By the time we had things ground down the last time, there just wasn't much there to hold. Thanks for the input....it's good for everyone else to see that might tackle the job.
Regards,
Chase
205-368-5339
ihfarmallrtr@gmail.com
Follow my page "Alabama Tractor Pickers" on YouTube & Facebook!
Chase
205-368-5339
ihfarmallrtr@gmail.com
Follow my page "Alabama Tractor Pickers" on YouTube & Facebook!
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