Issue link: http://read.dmtmag.com/i/34501
Locate and mark the injury on the outside and 1 inside of the tire. 2 REMOVE the object from the tire. Inspect the injury to determine the location, size, and angle of pene- tration. Probe into the injury and make sure that no air infiltration exists or excessive rust has formed. Refer to the Nail Hole Limitations Chart on Page 84 to determine repairability and to select the proper repair material. Use Injury Sizing Tool if available. Make sure to measure the injury to assure the damage does not exceed 3⁄8" (10 mm). rubber scraper to remove contaminating substances. 3 Apply rubber cleaner to the inner liner at the injured area. While the area is still moist, use a 4 Prepare the injury with the proper size carbide cutter on a low rpm drill (max. 1200 rpm). Following the direction of the injury, drill from the inside out. Repeat this process three times. Repeat this procedure from the outside of the tire to ensure damaged steel and rubber are removed (be careful when drilling; you do not want to make the injury any larger than necessary). 5 Using a Spiral Cement Tool, cement the injury from the inside of the tire with Chemical Vulcanizing Fluid. Turn the tool in a clockwise direction both into and out of the tire. This step should be repeated 3 to 5 times. Leave the tool in the injury as you go to the next step. 6 Place the wire puller in the middle of the black exposed portion of the stem. Remove the protective poly from the stem and brush a light coat of Chemical Vulcanizing Fluid (cement) on this area. For lubrication, apply a coat of cement to the wire puller where it contacts the stem. Section Six: Repairs and Retread 85