Postby Mitch » Mon Jan 26, 2009 6:21 pm
Back in the old days, when the Coats machine would not blow the beads out far enough to catch, our old trick was ether. Generally, this was a problem on 8 or 10 ply truck tires. If after wrapping the strap around the center of the tread to help spread the side walls, (yeah, we also used a piece of dog chain and twisted it up to do the same thing), we give the machine one more shot at it, and if it failed, we sprayed starting fluid in the tire and we threw a lit kitchen match in the general direction. Instant bead seal!
Nowadays, at work, we got a 4 gallon air tank with a 1 1/2 inch nozzle on it that hooks on the wheel. Inflate the tank to 150psi, hook it over the wheel, and when you open the knife valve, stomp on the footvalve at the same time. I brace the tank up against my gut; the recoil is pretty good when you hit that valve, and even then I've had to blow 3 times to seat some tires.
Worse case would be those tires that come wrapped with paper all around, pulling the beads together. Those suck.
I did blow a left front steering tire on an 18 wheeler once. The split ring and the retainer went down through the medial, and the tire came damn near clear off the rim before I got 'er stopped.
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