The best way to change a tire is to build a platform using 2X4 and plywood. Cut out the center so you can lay the wheel hubcap side down and remove the tire from the back side. Cover the platform with a carpet. I used indoor out door carpet. Break the bead on the front and the back of the tire. Place a plastic garbage bag over the rim and tuck the bag into the tire. Use a small tire iron and I use a piece of hard plastic to protect the paint on the rim and then work the tire off the rim. Remove the inner tube and repeat the process to remove the tire from the rim.
To install the tire place the plastic bag over the rim and work the tire onto the rim, this can be done by hand but if you need to use the tire iron and the piece of hard plastic to work the tire on the rim. Remove the plastic bag, install the inner tube. Place the plastic bag over the rim and work the plastic bag between the tire and the rim and work the tire onto the rim, this can be done by hand, or your foot. If you need to you can use the tire iron and the piece of hard plastic to work the tire on the rim.
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