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Topic: Trouble setting beads on PR3  (Read 1160 times)
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Rincewind
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« on: November 24, 2011, 04:18:45 PM »
I have a Michelin PR3 180/55 ZR17 rear that I've been unsuccessful setting the beads on this afternoon.  The tire is so limp it won't hold any pressure against the rim.  I have tried four different compressors up to one rated 200 psi.  I have tried ratchets around the tread.  It just won't hold any air.  I was using furniture polish for lube.  

I noticed how the beads were closer together than normal before I put it on the rim.  Any suggestions?  Thanks.
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« on: November 24, 2011, 04:18:45 PM »
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mugwump58
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« Reply #1 on: November 24, 2011, 05:19:12 PM »
I hesitate due to safety issues. I've not done this on a motorcycle tire, nor in about 20 years but...

You've got the schraeder valve out right? Just the tiniest bit of ether and a match from a distance.

I probably shouldn't have posted this.
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« Reply #2 on: November 24, 2011, 05:54:30 PM »
I don't have any ether here.  I have also heard of using  starter fluid, which I also don't have.  My dad has been suggesting this method too but he has never done it either.  I didn't realize the valve was to be out thanks.
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« Reply #3 on: November 24, 2011, 05:57:42 PM »
Quote from: Rincewind on November 24, 2011, 05:54:30 PM

I don't have any ether here.  I have also heard of using  starter fluid, which I also don't have.  My dad has been suggesting this method too but he has never done it either.  I didn't realize the valve was to be out thanks.


Google "Redneck Tire Mounting" to see what he refers to demonstrated.  

You might try removing the schraeder valve, then inflating while slowly rolling the tire & feeling for where the air's escaping the most.  Press on that area.
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« Reply #4 on: November 24, 2011, 05:58:52 PM »
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« Reply #5 on: November 24, 2011, 06:01:44 PM »
Scratch -- That has worked for me before.  I have tried rolling it, pressing it, dropping it, cuddling it, holding a lighter to it.  Best I can tell the air is escaping from everywhere not at specific spots.
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Scratch33
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« Reply #6 on: November 24, 2011, 06:03:57 PM »
Quote from: Rincewind on November 24, 2011, 06:01:44 PM

Scratch -- That has worked for me before.  I have tried rolling it, pressing it, dropping it, cuddling it, holding a lighter to it.  Best I can tell the air is escaping from everywhere not at specific spots.


Well then it's time to try gettin' in touch with yer inner redneck, Bubba.
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« Reply #6 on: November 24, 2011, 06:03:57 PM »

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Scratch33
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« Reply #7 on: November 24, 2011, 06:14:14 PM »
Here's one of the more successful examples.  Make sure the valve is out first.
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« Reply #8 on: November 24, 2011, 10:47:30 PM »
Quote from: Scratch33 on November 24, 2011, 06:14:14 PM

Here's one of the more successful examples.  Make sure the valve is out first.






That rocks.  I'm going to try that next time, whether the bead seats easily or not!
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« Reply #9 on: November 25, 2011, 04:55:04 AM »
More lube.  Seriously, just soak that thing in windex and then it should pop right on.  You can also roll the tire back and forth on the garage floor while inflating.  That seams to help some as well.  The real key though is more lube.
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« Reply #10 on: November 25, 2011, 09:56:21 AM »
I tried with more lube.  No dice.  I tried the fire technique which made a good explosion but it didn't set the beads.  Finally I took it to a commercial tire shop.  The pros took care of it in short order.  Phew!
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« Reply #11 on: November 25, 2011, 11:21:32 AM »
Good.  So what did they do different?
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« Reply #12 on: November 25, 2011, 11:59:34 AM »
Higher pressure pumps I assume.  The front was easy to put on.  Test ride time!
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« Reply #13 on: November 25, 2011, 03:36:16 PM »
They are harder to set, but I've never had more than 20PSI in one when it was all said and done.
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« Reply #13 on: November 25, 2011, 03:36:16 PM »

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« Reply #14 on: November 25, 2011, 05:51:37 PM »
With my air compressor, I find the pressure regulator restricts the air flow and makes it harder to seat beads.  I run the hose straight off the tank to seat beads.
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« Reply #15 on: November 25, 2011, 06:42:05 PM »
Try putting a ratchet strap around the circumference of the tire and crank her down while adding air.
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« Reply #16 on: November 25, 2011, 10:39:09 PM »
IIRC I had one tire that resisted every trick in the book , finally we took it next day to commercial place . That was before I had access to commercial tire changer . It is easy to do it with plenty full of highly compressed air , just wiggle the tire up and down .  

Sometimes when shipping    label is attached  sidewalls get squeezed together , it is good idea not to wait with removal till the last moment . It may take a couple of hours for the tire to get back into intended shape especially if it is cold .
So remove them day before and place tire in warm enough place .

 All those fire balls look awesome but imagine doing that on busy highway ,,,,,,,,,,
 It would take about 30 seconds before some paranoid asshat would  call the fire department , police , DHS , FBI , TSA , etc .

Here is what pros use these days . http://www.youtube.com/watch?v=LL1BRo01dak&NR=1    
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