Use this guide to patch a tire. This process may be a little difficult the first time it is attempted.
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Unscrew the axle nut with a 19 mm wrench.
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Unscrew the the axle bolt with a 19 mm socket wrench.
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Remove the wheel from the wheelchair.
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Insert the 19 mm socket wrench between the rubber tire and the metal frame.
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Any rigid flat metal object can be used for this step.
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Carefully slide the 19 mm socket wrench all the way around the tire. Bend the wrench down to pop the tire out of the bead of the rim.
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When undoing the tire, be careful using the back of the wrench because the tool can damage the tire tube and or wheel frame.
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Reach inside the tire and remove the tube from the metal frame.
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Take the inner tube from inside the tire and submerge the tube in water.
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Squeeze the tube gently looking for bubbles from the tube in the water.
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You can use where the bubbles are forming to locate the hole in the tube.
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Apply a thin layer of rubber cement over the area that was marked.
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The layer should be slightly bigger than the size of the hole.
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Let the rubber cement set for 5 minutes.
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Peel the patch off of the plastic backing.
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Place patch over the area with the rubber cement and firmly press down until the patch is securely attached.
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Feel along the tire to check for and remove any objects stuck in the tire before replacing the tube.
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Line up the air valve on the newly patched (partially deflated) tube with the hole on the metal frame before trying to insert the tube.
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Working all around the tire, carefully push the tube back into place inside the tire.
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