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siegmund

03-30-2008 03:38:07

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Have an 1947 J.D. "D" with a rear tire that is dry rotted and constantly going flat when it sits overnight. It makes me nervous when I re-inflate it in A.M. Heard someone got killed doing that? Is this a real or imagined danger? It has spoke hubs welded to rims.They are one piece wheels. I wear safety glasses when I blow it up but I would probably die of a heart attack if the thing exploded while being inflated! Thanks

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Walt davies

03-30-2008 13:09:08

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Re: Flat in reply to siegmund, 03-30-2008 03:38:07

I changed the rear tires on my Cochshutt (35) (12X38) when the tube was sticking out on the side about 4 in. long. As bad as these tires were they had no problem holding the 14 PSI or air in them. On the IH Windrower we bought, the 8.50x 16s had tubes sticking out the side with 35 PSI in them. Drove it home 16 miles on them tires.
Walt

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Walt davies

03-30-2008 13:01:40

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Re: Flat in reply to siegmund, 03-30-2008 03:38:07

Why not have an expert from the local tire shop look at them to see if they are dangerous or not its real hart for us to say without seeing them closeup. The tires could cost from $300 to $600 each depending.
Walt

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Mathias NY

03-30-2008 13:54:32

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Re: Flat in reply to Walt davies, 03-30-2008 13:01:40

Thats the best advice I've seen!!

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John S-B

03-30-2008 12:01:09

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Re: Flat in reply to siegmund, 03-30-2008 03:38:07

Note how pressure is measured, Pounds per square INCH. So a 10x10" area of a tire at only 5psi has 500 pounds of potential energy behind it. While it will rapidly lose energy, if you are close to it, it's still gonna hurt. While it may not kill you, I still wouldn't want to get hit with a big chunk of rubber. And if it is that scary to you to blow it up, how dangerous is it to be driving the tractor and blow a tire? Best be replacing it and not having to worry.

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504-2

03-30-2008 11:25:15

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Re: Flat in reply to siegmund, 03-30-2008 03:38:07

My brother was just airing up a flat on the car with an air thak and almost lost an eye when it blew up.

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b. siegmund

03-30-2008 11:18:14

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Re: Flat in reply to siegmund, 03-30-2008 03:38:07

Thanks, guys for the input! Unfortunately as life goes, they opinions range from sudden death to mild inconvenience! Can't chance it too much with 1 life to live. I may be trying to put too much pressure in these tires. I sure learned that important and possibly life saving info. today! For this I am eternally grateful! These tires, although cracked have almost like-new tread on them. Should they both be replaced or just the one that leaks. I don't have much money to spend on them. The left rear one seems o.k. although it looke as cracked as the leaking rt. one.

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in-too-deep

03-30-2008 11:58:44

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Re: Flat in reply to b. siegmund, 03-30-2008 11:18:14

Don't replace the whole tire, just the inner tube. Tubes are less that $50 each. If you were real cheap, you could just fix the leaky tube.

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b. siegmund

03-30-2008 11:16:16

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Re: Flat in reply to siegmund, 03-30-2008 03:38:07

Thanks, guys for the input! Unfortunately as life goes, they opinions range from sudden death to mild inconvenience! Can't chance it too much with 1 life to live. I may be trying to put too much pressure in these tires. I sure learned that important and possibly life saving info. today! For this I am eternally grateful! These tirea, although sracked have almost like new tread on them. Should they both be replaced or just the one that leaks. I don't have much money to spend on them. The left rear one seems o.k. although it looke as cracked as the leaking rt. one.

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Walt davies

03-30-2008 10:01:04

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Re: Flat in reply to siegmund, 03-30-2008 03:38:07

The only reason that your tire would be dangerous is if you put 50 to 90 lbs in it if it has liquid in it the the danger is much less. Remember with a tube 13 to 15 lbs is all it needs that won't hurt anything.
As far as the guy who lost his face when a rear tire blew I'm just a little curious as to where he was and what he was doing at the time and just how much pressure did he have in that tire. And why would he have a backhoe with no ballast in the tire.
Walt

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BillinCentralMO

03-30-2008 09:13:12

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Re: Flat in reply to siegmund, 03-30-2008 03:38:07

Had a client that had a backhoe front tire explode as he worked on it. Took off half his face , lost an eye , lost all taste and smell permanently , broke his arm , his leg, and his hand , caused internal injuries , lost his spleen and some other organs , severe psychiatric problems and some other problems I can't recall. You are supposed to put it in a cage before inflating it. I agree though the rear tires at 5 to 10 pounds should not present such hazards.

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rrlund

03-30-2008 08:17:47

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Re: Flat in reply to siegmund, 03-30-2008 03:38:07

Don't underestimate the power that thing is gonna have when it blows! I bought some liners from Gemplers to try to save a pair of rough 9x40s on my Oliver 70. The instructions said to over inflate them a little to keep them from slipping. I was working on it one day,left the shop door open and went to town. When I got home it was sitting a little lop sided. I went in there and that tire had blown on the inside with so much force,it BLEW THE FENDER right off. It dented the seat! NO DOUBT in my mind that If I'd have been between there it would have killed me! No doubt whatsoever! Don't risk it with those things!! You'll need more than safety glasses! That's an extremely dangerous situation!

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I need a new handle

03-30-2008 07:51:10

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Re: Flat in reply to siegmund, 03-30-2008 03:38:07

I would think the pressure is too low for a life threatening explosion unless you put too much air in it, since your looking at around 10 psi of air. The biggest danger would be if the tire has cloride in it and possibly some rust/dirt in the air when it blows. I agree you could use a new tire if possible.

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Dale B

03-30-2008 07:33:11

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Re: Flat in reply to siegmund, 03-30-2008 03:38:07

I'm with Don . With the 10-20 lbs in a rear tire a blow out is just a whoosh sound, not even a decent pop. Ive had several go over the years at my business, Nothing to worry about. Truck tires are another story. High pressures, steel belts,Lock rings , there's your danger. Why not take the tire apart and fix it ? The dry rot isn't whats making it leak, its a hole in the tube. When you look inside that tire , it is as good and strong as new..... ....

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Don L C

03-30-2008 07:10:40

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Re: Flat in reply to siegmund, 03-30-2008 03:38:07

No problem....you should be putting only 13 - 15# in it....

The danger is the split rim and ring, on large trucks, 80 - 90#..... .Don

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Mathias NY

03-30-2008 06:33:42

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Re: Flat in reply to siegmund, 03-30-2008 03:38:07

Yes, the danger is real. People have gotten killed, although injured is much more common. Replacing the tire is by far the safest approach. If you use the tractor with any regularity, this is the only approch to take.

Take the following advise at your own risk. Many times people see cracks on tires and assume its dry-rot. If the tractor has always been stored inside and gets used periodically, the tires are probably not dry rotted. If they simply have cracks and are not dry rotted, I would look at checking the valve stem for leaks. If the valve stem is fine and the tire has an inner tube, your leak is coming from it and not the tire. A new inner tube will offer pretty good protection against a blowout, but its not perfect. It all comes down to the risk you are willing to take for yourself and anyone who may be around the tractor.

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bradley martin

03-30-2008 05:43:55

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Re: Flat in reply to siegmund, 03-30-2008 03:38:07

Replace the tire!

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