tools, and materials - Michelin Truck Tires
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1. above the tire s surface The tire is now ready to be returned to service er way forward Michelin Truck Nail Hole Repair Procedures To learn more please contact your Michelin Sales Representative or visit www michelintruck com To order more books please call Promotional Fulfillment Center 1 800 677 3322 Option 2 Monday through Friday 9 a m to 6 p m Eastern Time United States Michelin North America Inc P O Box 19001 One Parkway South Greenville SC e 29602 9001 Consumer Relations 1 888 552 1213 Customer Service 1 800 847 3435 Canada Michelin North America Canada Inc 3020 Avenue Jacques Bureau Laval Quebec H7P 6G2 1 877 838 8473 English 1 888 707 7638 French Mexico Industrias Michelin S A de C V Av 5 de febrero No 2113 A Fracc Industrial Benito Juarez 7 6120 Ouer taro Qro Mexico 011 52 442 296 1600 An Equal Opportunity Employer Copyright 2007 MNA Inc All rights reserved MWT40163 04 07 gt GC l 2 MICHELINI A better way forward Ss as2. and in good working order Always place the mounted tire in a safety cage or an OSHA approved restraining device with the valve core still removed When inflating an assembly after a repair be sure to follow all procedures outlined by the tire and wheel industry Inspect sidewall area for any signs of zipper damage such as bulges and listen for pop ping sounds If any of these are present deflate the tire immediately by disconnecting the air line at the quick connect remove from the cage restraining device and scrap the tire Michelin X One Tire e X One tires There are no special repair techniques or materials required when repairing a Michelin X One tire e For further information refer to Michelin X One Tires Service Manual MWL43101 CROWN AREA 3 8 or 10 mm Repair Unit CT20 T s Repairable Area lt J SHOULDER AREA 1 1 2 or 40 mm Maximum repairable nail hole diameter is 3 8 inch T T area All injuries larger than 3 8 inch or outside the specified T T area must be treated as a section repair SIDEWALL AREA Consult your Michelin Dealer or your Michelin Representative BEAD AREA NON REPAIRABLE Vv D 2 5 J Q A 1 Q Q Ce a e L amp lt D4 Ld Locate and mark the injury on the outside and inside of the tire Remove spiral cement tool from the injury and feed the small end of the wire puller th
3. the poly backing Stitch the repair unit from the center to the outer edges Remove the top clear protective poly 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 Use a low rpm max 5000 rpm buffer and texturizing wheel to mechanically buff the stem flush to the inner liner Then buff the outlined area to achieve an even RMA 1 or RMA 2 buffed texture Use a clean soft wire brush remove all dust and debris from the buffed area 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 Vacuum all buffing dust and debris from the tire If the buffed surface is touched or contaminated after cleaning the area you must repeat Step 11 to guarantee your surface is clean for proper repair bonding To cover over buffed areas in tubeless tires apply Security Sealer to the outer edge of the repair unit and over buffed area If tube type cover the repair with Tire Talc to prevent the repair from vulcanizing to the tube Cut the stem off on the outside of the tire 1 8 3 mm
4. Michelin Truck Tire Nail Hole Repair Procedures A SS MICHELIN Y VY amp A better way forward Two Piece Radial Truck Nail Hole Repair Method Instructions Please follow the exact step by step procedures contained in this manual to attain a safe and quality repair Only qualified and trained personnel should do tire repairs The goal is to return the repaired tire to service and provide the customer with a sound and safe product Repair products and materials used should be from the same manufacturer to ensure compatibility in the curing process Warning Always demount the tire from the wheel and complete a WARNING thorough tire and wheel Inspection prior to returning the components to service A Check the tire for signs of underinflation run flat and other damages such as bulges bead damage bad repairs anything that would require the tire to be inspected by a professional retread and repair facility Never inflate a tire that has signs of heat damage or with indications of running underinflated Remember if there are any concerns or questions regarding the safety and integrity of the tire err on the side of caution and forward tire to a professional retread and repair facility Always follow correct procedures when demounting and mounting tires and wheels Nail Hole Limitations Chart T Safety First Use safety glasses and keep repair area tools and materials clean
5. rough the injury from inside of the tire Ff Using Chemical Vulcanizing Fluid cement brush a thin even coat into the clean textured area Allow 3 to 5 minutes to dry the vulcanizing cement should be tacky Areas with high humidity may require a longer dry time Make sure the cement used is compatible with the repair units you are installing REMOVE the object from the tire Inspect the injury to determine the location size and angle of penetration 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 1 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 Grasp the wire puller from the outside of the tire and begin pulling the stem into place If the wire puller comes off grasp the stem with a pair of pliers and pull the stem until it fills the injury exposing approximately 1 2 inch 13 mm of the gray cushion bonding gum above the face of the tread With the tire beads in a relaxed position center the repair unit over the filled injury Press the repair unit down into place over the injury Make sure the directional bead arrows on the repair unit are aligned with the beads of the tire and press into place Roll the protective poly back to the outer edges of the repair unit This enables yo
6. u to handle the repair unit without contaminating the bonding gum layer You are now ready to stitch the repair Apply rubber cleaner to the inner liner at the injured area While the area is still moist use a rubber scraper to remove contaminating substances Prepare the injury with the proper size carbide cutter on a low r p m 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 On the inside of the tire center the appropriate repair unit template over the stem make sure to correctly align the template in relationship to the tire beads and draw a perimeter around the template Stitch the repair unit firmly pressing down from the center toward the outer edges This will eliminate trapping air under the repair unit Remove the template and cut off the stem 1 8 3 mm above the inner liner on the inside of the tire NOTE If you do not have a repair template Go to this step and cut the stem then using correct size patch and centering it correctly on the injury arrows towards the beads draw your perimeter approximately 1 2 larger than the repair patch i a 4 F ma a i F k t J fa a d a ahs AS 7 mr i P i i ts J w E m Remove the rest of
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