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I modified a Harbor Freight tire changer with motorcycle attachment to work easier and better. The first thing I did was to remove the post that comes on the base of the changer to hold the motorcycle attachment, and then I drilled a hole through the two to put a bolt through them. Then it is time to "fix" the clamps on the motorcycle attachment. HDPE blocks were added all around the clamps to make them non-marring:
blocks
The front and back blocks are attached using the through bolt circled in black. The top of the outside block as attached using a bolt through the tang on the clamp:
blocks
blocks

Next I fabbed up a new bead breaker from some 1 1/2" box steel tubing. The 1 1/2 is a bit too small for the receptacle so I add some shims to the base to make a better fit. Then remove the bead breaker that comes with the tire changer from the base:
breaker
breaker
I was using the grinder to get the fit of the shims just right, Cooper doesn't like it. I cover the spade on the breaker with undercoating to help prevent scratching, it works OK. The last part is to make a base for the Mark Parnes balancer, doing the balancing on the floor is back breaking.
balancer
get it level
all done
Note that I ended up removing the clamps from the balancer, they just didn't work. The summit sticker is on there so I know which side faces the garage door, that keeps the posts level!
I have changed a couple of tires on it, and the new setup is a huge improvement over the original, it works very nicely.
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