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Tractor Talk Discussion Forum

Oil pan repair

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Hurst

08-20-2005 10:27:08




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I have a previously fixed crack in the oil pan of my allis 7000. It is brazed on the inside, but now oil is leaking through the braze. My dad is getting some of the oil/gas resistant JB weld to seal it off for now. Will this hold as a permanent seal? It is a stell pan about 1/8 an inch think. I have tried some black silicone, put it on and let it set for about 10 minutes, but kept leaking through it. Any advise on how to fix it as I am leaving for boarding school tom at noon. Also, if I were to get it rebrazed, could I just take the tractor in to a welding shop and have them braze the pan on the outside without removal? Thanks,

Hurst

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Sam#3

08-21-2005 06:16:48




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 Re: Oil pan repair in reply to Hurst, 08-20-2005 10:27:08  
Some years ago(5+) I used 'Liquid Steel' to patch some pin holes in the pan of Dad's H Farmall. It's still holding, however, no stress.
Also used to patch a punch hole in an auto fuel tank. That was holding several months later when I disposed of the vehicle.
I'm not sure a welder would work on the tractor. COULD BE some gas build-up.



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Kansas

08-20-2005 20:03:28




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 Re: Oil pan repair in reply to Hurst, 08-20-2005 10:27:08  
Drain the oil out, take the key out, and unhook the batteries.....and put a BIG NOTE on the steering wheel....and fix it when you have time.
If you've used brass once, then it will have to be brazed again (in my humble opinion). Fine someone to braze it from the inside, and I'll be you'll have no more troubles.



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Sand Flat Bob

08-20-2005 18:38:53




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 Re: Oil pan repair in reply to Hurst, 08-20-2005 10:27:08  
Pull the pan and since it is steel 1/8 inch thick, take it to the welders. This is what wire welders were made for, thin metals. Could reinforce it with strap as was previously suggested.

This should be a permanent fix.



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Bob

08-20-2005 20:25:15




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 Re: Oil pan repair in reply to Sand Flat Bob, 08-20-2005 18:38:53  
Hey, Sand Flat!

I'll just bet a weldor will be thrilled to get the oil pan, and try to lay a bead with a MIG welder, were they've slopped brass. It ain't gonna work very well!



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Hurst

08-20-2005 18:52:41




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 Re: Oil pan repair in reply to Sand Flat Bob, 08-20-2005 18:38:53  
I will keep this in mind, right now I need something that will hold while it is sitting while I am away at boarding school and then to use for a little while I am home on breaks. Thanks for the suggestions to everyone.

Hurst



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ErnieDD

08-20-2005 16:37:34




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 Re: Oil pan repair in reply to Hurst, 08-20-2005 10:27:08  
Something made that oil pan break to begin with. I bet on some vibration/resonance stresses the repairs. Take the pan off, drill a small hole at each end of the crack to stop the crack from spreading. Then find some 1/16" or so mild steel strapping to lay over the crack and braze the reinforcement on.



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Richard H.

08-20-2005 11:02:01




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 Re: Oil pan repair in reply to Hurst, 08-20-2005 10:27:08  
Hurst, as a quick fix JB might work but you should burn off that silicone first. And maybe it would be a permanent fix. I can braze but only flat, horizontally. I believe I would stick weld it if the JB does not hold.



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Hurst

08-20-2005 11:22:40




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 Re: Oil pan repair in reply to Richard H., 08-20-2005 11:02:01  
I am by no means a pro welder and I would leave this job to the pros down the road from me. I am going to try the jb this afternoon, if it leaks again, hopefully it will atleast wait until thanks giving or xmas, if it lasts, well good for it and I will love it for the work it saved.

Hurst



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Jerry Cent. Mi.

08-20-2005 15:12:48




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 Re: Oil pan repair in reply to Hurst, 08-20-2005 11:22:40  
I have better luck with PC-7. Its available in most hardware stores. Jerry



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