Seating new tires on rims

   / Seating new tires on rims #1  

JimR

Elite Member
Joined
Mar 11, 2004
Messages
3,595
Location
Central Ma.
Tractor
Kioti NX4510HST
Today I learned a new way to seat tires that will not seat on the rims. I will not take resposibility should you try this and injure or kill yourself. I had two brand new Carlisle R4's mounted on my Cub Cadet wheels today. The company could not get the tires to seat on the rims. The sidewalls were so stiff that they would not come out. Yes, the tires were the proper size for the rims. They were 27x10.50x15 6 ply tires. I left the place with my tires and rims mounted but unseated on the rims. I told them that I would get them seated. When I got home my buddy was there waiting for me. We tried the strap around the outside of the tire to force out the sidewalls. That didn't work. We got one side seated and couldn't get the other side on. We even tried the inflated bicycle tube in the loose side. That didn't work. All of a sudden he said," Do you have any lighter fluid"? No was my reply, but I do have carb cleaner and starter fluid. So here is how we seated the tires. I squirted a small amount of ether into the valve stem with the core removed and lit it with my propane torch. The tires went boom and seated on the rim. It only took about one or two seconds to put enough ether into the tire. I could not ignite it using the valve stem. I did ignite it by putting air into the valve stem and lighting the fumes coming out of the leaking bead. This worked on both tires. I never laughed so hard after we got these on. It was so **** simple that it is down right funny. He told me that he had done this on his dumpster truck tire once when it lost air pressure and broke the bead. He did it right on the truck without removing the dual rear wheels. YES, this could be very dangerous. I also found out that too much fuel will not ignite. The fuel to air ratio has to be right to ignite. Using the air in the valve stem solved that problem. As I stated earlier in this post. You do this at your own risk.
 
   / Seating new tires on rims #2  
Old trick...They even showed a guy doing on "Swamp Loggers" the other night!
 
   / Seating new tires on rims
  • Thread Starter
#3  
Old trick...They even showed a guy doing on "Swamp Loggers" the other night!

Well I wish I had learned this trick years ago. I can't recall the number of tires that I have had problems with over the years on tractors and such.
 
   / Seating new tires on rims #4  
As Kenny said, it's a very old trick, and as you stated yourself, it's also a very dangerous trick. I would NOT recommend it to anyone.
 
   / Seating new tires on rims
  • Thread Starter
#5  
As Kenny said, it's a very old trick, and as you stated yourself, it's also a very dangerous trick. I would NOT recommend it to anyone.

I just got through watching a ton of You Tube videos of guys doing this. What a riot to watch them not only seat the bead back on but inflate the tire with gas too.
 
   / Seating new tires on rims #6  
That is a very old trick, but a new wrinkle on that old trick. When I did it before all you had to do was spray it around the inside of the tire. The starting fluid was so volatile that just throwing a match or lite cigarette would lite it. Chemicals have been added to cut down on the volatility, but it sounds like you found a good idea airing the tire some and lighting the valve stem.

The other trick I use is a have a 5 gallon air tank that I can empty instantly around the bead. May not have worked in your case, but you never know.
 
   / Seating new tires on rims
  • Thread Starter
#7  
That is a very old trick, but a new wrinkle on that old trick. When I did it before all you had to do was spray it around the inside of the tire. The starting fluid was so volatile that just throwing a match or lite cigarette would lite it. Chemicals have been added to cut down on the volatility, but it sounds like you found a good idea airing the tire some and lighting the valve stem.

The other trick I use is a have a 5 gallon air tank that I can empty instantly around the bead. May not have worked in your case, but you never know.

Lighting the valve stem only makes it a small torch. I put air in the valve stem and lit around the bead with my propane torch. It was instant seating on both wheels. from what I saw on You Tube, Butane or hair spray works better.
 
   / Seating new tires on rims #8  
Going back a little to the basic problem, Where the tires cold, or where they worm from being in a heated shop? Sometimes, but not always just getting them warm and a little softer will let them seat easier. Another trick I have used on 28" rubber going tubeless was to inflate it with a tube for overnight, and then remove the tube the next day. The side wall was out enough then that it would seat with no trouble, but it was a pain doing it that way.
 
   / Seating new tires on rims #9  
I have seen the trick with ether - same stuff that can blow the top of a piston into the crank case....

Had the same problem with tires on an MTD riding mower. After all of the usual tricks the tire folks took a portable air tank with a large 1/4 turn valve and a horn attachment that looked like the snout from a fire extinguisher.

One guy held the wheel and tire. A second fed air into the tire through the valve stem.

Man # 3 had the fully charged portable air tank and aimed at the opening between the rim and bead and dumped the entire contents of the portable tank into the tire through the snout in a few seconds - pop and she seated - no fire or explosion. steve
 
   / Seating new tires on rims
  • Thread Starter
#10  
Going back a little to the basic problem, Where the tires cold, or where they worm from being in a heated shop? Sometimes, but not always just getting them warm and a little softer will let them seat easier. Another trick I have used on 28" rubber going tubeless was to inflate it with a tube for overnight, and then remove the tube the next day. The side wall was out enough then that it would seat with no trouble, but it was a pain doing it that way.

The tires were warm. The sidewalls were really stiff. The tube trick would work for sure.
 

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