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How to repair a tubless tire

How to repair a tubless tire

This tire system contains no inner tube. The rim is sealed internally air tight. The tire body uses a special bead design, and the tire is lined internally with a butyl rubber. This is the same type of rubber used on inner tubes. A vulcanizing patch kit such as the VP-1 can be used to effect a repair. If the tire casing is badly ripped, replace the tire.

NOTE:

Do not use the GP-2 or TB-2 patch for this repair. Both rely upon the inner tube to press the patch to the tire body.

1. Begin by inspecting the tire casing for the hole. Mark the location before removing the thorn, nail, etc.

2. Remove the tire and turn it inside out. Similar to patching and inner tube, clean the rubber. Use the sand paper in the kit to lightly sand the area

3. It is also recommended to use a solvent to clean the area (Figure 3). This insures the best bonding with the patch. Use alcohol or similar solvent. Do not use a solvent that leaves an oily film, such as citrus based degreasers.

4. Apply the vulcanizing fluid to the area

5. It is important the glue be spread evenly and wider then the patch. Use the back of the foil and patch to disperse the glue

6. Allow vulcanizing fluid to dry. Remove back of foil from patch and place patch over hole. Press downward on patch with force and hold firmly for one minute

7. Tire is ready to use. It is not necessary to remove the plastic cover on the patch. Removing this cover from a freshly placed patch may loosen bond.

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