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1940 Model B: Can't Seat the Tire Beads!!

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Steve

07-08-2001 06:33:14




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I have a 1940 John Deere Model B. I can't seem to properly seat the beads on the rear tires.

I'm putting a new set of 9.5 x 36 tires on 7 inch rims. They get close, but need an additional 1/4 inch in order to seat perfectly.

Suggestions would be appreciated. Thank you--




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Joel WIlliams

07-13-2001 10:37:09




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 Re: 1940 Model B: Can't Seat the Tire Beads!! in reply to Steve, 07-08-2001 06:33:14  
I used a coating of brake fluid on the bead of the wheel and the tire to seat the beads on mine. Use it sparingly as it will remove paint but it will not deteriorate the rubber tire and they will seat at the normal pressure if everything is right. Make sure the bead on the wheel is clean and smooth so the tire will slide over it properly. I definately would not go over the recommended seating pressure. Tires can fail catastrophically and you hope you never see one do that. People do not understand how much force and energy is stored in those tires when pumped up. I've seen where a 16 inch split rim tire nearly tore a car in half when they left go because the split ring was not seated right. The guy hooked the air hose to the tire and shoved it under a car. Tractor tires are much bigger that that tire was. If they do not go on at recommended pressure, something is wrong. STOP and correct the problem for your sake and everyone close to you. DO be safe, DON"T be a statistic.

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---===] jer [===---

07-09-2001 04:57:10




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 Re: 1940 Model B: Can't Seat the Tire Beads!! in reply to Steve, 07-08-2001 06:33:14  
Be cautious! There is a compound made especially for this purpose. It is called rim wax. It goes on the inside of the rim right where the rim of the tire slides along the flat part of the wheel rim to get seated. It works perfectly. Oil products like STP and other products will cause a deterioration of the rubber on the tire. If the inside of the rim is somewhat new and free of rust, soapy water will help. Don't overinflate the tire beyond the manufacturer's warning.

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Chuckj

07-08-2001 19:57:36




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 Re: 1940 Model B: Can't Seat the Tire Beads!! in reply to Steve, 07-08-2001 06:33:14  
back your bead completely off and use a coating of stp both on the bead and rim, or you could use while go jo hand cleaner. It will seat.



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Will

07-08-2001 07:30:41




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 Re: 1940 Model B: Can't Seat the Tire Beads!! in reply to Steve, 07-08-2001 06:33:14  
Are you inflating them to 35 psi to seat them? The sidewall will say what to inflate them to. Usualy 35 psi. Just did my 11.2 x 38 and took the tire too 45 psi to seat. I know I shouldn't have gone that high, but the dang thing wouldn't seat.



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Tom in Mo.

07-08-2001 17:48:43




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 Re: Re: 1940 Model B: Can't Seat the Tire Beads!! in reply to Will, 07-08-2001 07:30:41  
Please note these beads can fail explosively. My cousin was seating a bead on a large rear tire and it blew a good chunk of his face off. He's alive and still dealing with it 10 years later.



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