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Old 03-18-2009, 06:33 AM   #1
motojo OP
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frustrate - inflate new tire

Hi all,
I have just completed my first tubeless tire dismount / mount. I cleaned the beads of the rim well and installed a new valve stem. Problem is - I can't inflate the tire and get it to jump up on the bead. I have a good air compressor with over 100psi. I even tried a ratcheting tie down wrapped once around the circumference of the tire to no avail. I removed the guts from the valve stem but then I can't get any air to come out of the air chuck. At wits end - how do I get this thing inflated?
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Old 03-18-2009, 07:01 AM   #2
Bigger Al
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Take it to a local tire shop and bribe them with beer and donuts. It always works when guys bring them into my shop.
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Old 03-18-2009, 07:29 AM   #3
ooweel
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100 psi?

You may have 100 psi but do you have enough volume? Try and bounce the tire on edge to seal the gap or put pressure on the tire where you have the biggest leak. I had picked up a new tire inflation tool that I had this same problem. Nice looking head but the sumbitch wouldnt let enough volume thru to seat the wheel. Popped it off put on the good old stand by and "POP" "POP" DONE!
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Old 03-18-2009, 07:53 AM   #4
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Is it cold in your shop? That always makes it harder.

You can squirt a little starter fluid or something similar into the tire and light it. It'll pop right onto the rim.

Az
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Old 03-18-2009, 08:02 AM   #5
motojo OP
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Quote:
Originally Posted by ooweel
You may have 100 psi but do you have enough volume? Try and bounce the tire on edge to seal the gap or put pressure on the tire where you have the biggest leak. I had picked up a new tire inflation tool that I had this same problem. Nice looking head but the sumbitch wouldnt let enough volume thru to seat the wheel. Popped it off put on the good old stand by and "POP" "POP" DONE!
I have 20 gallon tank. I assume this is more than enough volume.
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Old 03-18-2009, 08:04 AM   #6
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Quote:
Originally Posted by AzB
Is it cold in your shop? That always makes it harder.

You can squirt a little starter fluid or something similar into the tire and light it. It'll pop right onto the rim.

Az
Yeah its like 45 degrees in the shop.
Funny you mentioned the starter fluid trick. I was just watching some youtube videos on this method. I may try it tonight.
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Old 03-18-2009, 08:05 AM   #7
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More tension on the tie down, rope also works with a pry bar turnakit.
Rope placed in the middle of the tread, turned down very very tight

If the tire was shipped and stored along time with the bead rapped tight together it will take a super human effort.........big air pressure big volume
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Old 03-18-2009, 08:10 AM   #8
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I hate it when this happens.

One time a customer brought me Shinko tires to install on his Bandit 600. The damm tires were stored or shaped such that the bead didn't want to catch air and seat on the rim despite my best efforts. Ended up installing an inner tube to get the dang tire inflated.
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Old 03-18-2009, 02:44 PM   #9
Bigger Al
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Quote:
Originally Posted by supertireguy
I hate it when this happens.

One time a customer brought me Shinko tires to install on his Bandit 600. The damm tires were stored or shaped such that the bead didn't want to catch air and seat on the rim despite my best efforts. Ended up installing an inner tube to get the dang tire inflated.
I see that most often with farm tractor and trailer tires. It usually occurs when the tires have been banded together for shipping. Sucks, too.
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Old 03-18-2009, 02:46 PM   #10
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Quote:
Originally Posted by AzB
You can squirt a little starter fluid or something similar into the tire and light it. It'll pop right onto the rim.

Az
I'll ditto that. Works Great
Be ready with the air. If the tire is real stiff, it may pop back off.
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Old 03-18-2009, 02:48 PM   #11
Bigger Al
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Quote:
Originally Posted by motojo
Yeah its like 45 degrees in the shop.
Funny you mentioned the starter fluid trick. I was just watching some youtube videos on this method. I may try it tonight.

Don't do that. I've taken apart dozens of tires that have been inflated this way, and I often find bubbled inner liners that kept burning for a few seconds after the tires seated. Not a big deal on a tractor tire. Bad juju on a bike, not to mention the potential for setting onesself on fire should things go wrong.

As I said before, take it to a local tire shop and pay them a few dollars (or beer, or donuts) to inflate it. Much safer.
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Old 03-18-2009, 02:53 PM   #12
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Regarding the starter fluid trick: The boss's kid decided to try it with a stubborn ATV tire one time - it hit the ceiling 20 feet up, bounced off, wrecked something expensive, and then we found it with one bead blown to the outside of the rim, and the tire bead was broken. YMMV.


I've used two air compressors - one to inflate the tire (Shrader valve removed from the valve stem can help), and one to blow air into the bead area with a blow gun.
Usually I just keep messing around with a tie down strap to get everything as centered as possible.
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Old 03-18-2009, 03:13 PM   #13
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Try taking the tire inside and/or attack it with a hair dryer and warm it up so it not so stiff, that might improve your odds.
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Old 03-18-2009, 04:55 PM   #14
Inane Cathode
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Quote:
Originally Posted by GSWayne
Try taking the tire inside and/or attack it with a hair dryer and warm it up so it not so stiff, that might improve your odds.
+1

You're never ever ever going to get it to do anything but waste air if you're trying to get the bead to catch while the tire is at 45 degrees. Get it nice and warm, and lube the crap out of the bead. While you're airing it, find where its leaking the most air out from under the bead and persuade it to seat.
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Old 03-18-2009, 08:37 PM   #15
thetable
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Quote:
Originally Posted by motojo
but then I can't get any air to come out of the air chuck.
I think everyone missed this little tidbit buried at the end. Sounds like your tire chuck is done. Replace that puppy and try again. Also make sure you are using as short and as big in diameter an air hose as practical. If you are trying to do it through one of those little yellow twisted pieces of ish, well it just ain't gonna happen. Ditto on if you are trying to run pressure through 300 feet of hose. Failing that, find a shop that has a bead seater.
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