Paper towels, and a solution such as Goo Gone to clean the tire residue off of the rim
Hot soapy water in a bucket
For VARIMAT, UNIMAT V, HEMTEK upper wheel: 8mm hex tool
For VARIANT T1, UNIPLAN, UNIROOF E, VARIANT, UNIFLOOR, MINIFLOOR: 2mm hex tool
For UNIROOF AT/ST, HEMTEK lower wheel: 2.5mm hex tool
For UNIPLAN narrow wheel: External circlip removal tool
Put the new tire in the hot soapy water.
Remove the wheel with the tire that needs to be changed:
VARIMAT drive wheel: Remove the green round belt and the 8mm hex bolt and washer; pull off the wheel; remove the parts inside the rim. Take the key out of the keyway in the axle so that it does not fall out and get lost while the rim is off.
VARIMAT rocker wheel, UNIMAT V narrow wheel, HEMTEK upper wheel: Remove the 8mm hex bolt and pull off the wheel.
UNIPLAN narrow wheel: Use an external circlip removal tool to remove the circlip. Then follow step 4.
VARIANT T1, UNIPLAN, UNIROOF E, VARIANT, UNIFLOOR; MINIFLOOR: Turn the tool on its side and drive the wheel until the set screw on the inside of the rim is visible. Loosen the set screw with the 2mm hex tool and pull off the wheel.
UNIMAT V Tape wide wheel: Remove the 8mm hex bolt and washer; pull off the wheel. Take the key out of the keyway in the axle so that it does not fall out and get lost while the rim is off.
HEMTEK lower wheel, or UNIROOF AT/ST: Loosen the two screws on the side of the wheel with the 2.5mm hex tool, and remove the plate. Pull off the tire and the ring under the tire.
Cut the worn tire off with a utility knife.
Clean any tire residue off of the rim.
Take the new tire out of the hot soapy water. With the rim laying on a flat surface, hold the edge of the tire over the closest edge of the rim with both hands. Move one hand to the left and the other to the right to slip the edge of the tire over the rim
Repeat this motion to push the tire further onto the rim until the tire is on almost all of the way.
Use the heel of each hand to push the tire on the rest of the way.
Check closely that the tire is inside the edge of the rim all the way around.
Reinstall the wheel.
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