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[Shop-talk] Successfully using the HF Tire Changer

To: <shop-talk@autox.team.net>
Subject: [Shop-talk] Successfully using the HF Tire Changer
From: "Nolan" <opposumking@verizon.net>
Date: Thu, 17 Dec 2009 09:39:59 -0500
Bead breaking
Keep that shoe up in the bead.  If it's down squishing the sidewall, it 
won't break the bead.  Put it right up against the rim edge and lightly push 
down.  The tire sidewall will roll away from the rim a bit, and the shoe 
tends to slip on the sidewall away from the rim.  Kick/hit/hammer it back 
against the rim.  Work it under the rim lip as you keep pushing down.  It's 
not particularly hard to do, but it's crucual for getting the shoe to 
actually push the bead off, and not simply squish the sidewall.  Press 
straight down.  There's a lot of slop in this tool, and it's easy to get it 
cocked sideways.  Do that and the arms can bend.  So work straight down.

Tire dismounting.
Look at your tire tool and use the end that looks like a bent spoon.  Keep 
the tire bead pressed down into the center valley of the rim.  Reach into 
the tire with the tool bar, flip the bar up and over, curling the tire bead 
up over the rim,.  Notice that the groove in the bent spoon fits your rim 
lip perfectly.  Now pull the bar against the center post of the machine and 
walk around the machine, walking the tire bead up off the rim.  Walking 
around the machine is why you need it fixed to the ground.  You cannot walk 
around the machine with it mounted on a board.

Tire mounting
Look at your tire tool and use the end that looks like a defective ball peen 
hammer.  The hook side goes on the rim, the wedge side slides the tire bead 
down into the rim.  Notice that the wedge will only work if you go 
clockwise.   Drop the tire down onto the rim, twist it a little, and put the 
ball peen hammer end of the tool in there to finish the job.  As you walk 
the tool around (in a clockwise direction), press the tire bead down into 
the hollow valley of the center of the rim.  A second set of hands is 
helpful for this, but it can be done solo.  You've got to do this, or else 
the tire will jam.  If you force a jammed tire, you can tear the bead. 
Walking around the machine is why you need it fixed to the ground.  You 
cannot walk around the machine with it mounted on a board 
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