E. TYRE CARE Repairing a Tyre Mark the tyre position (if original color dot mark is not visible) with respect to valve stem hole to ensure that the tyre is refitted in the original location on the wheel rim. Ensure that balancing weights are not disturbed during removal of tyres. Check the balance weight prior to the removal of the tyre. If found loose, mark its location on the rim & refit properly. Balance the wheel after every dismantling and assembly of tyre on the wheel rim. While fitting wheels on the vehicle ensure that wheel pins are free from dust, scratches, dirt, dents, etc. SPECIAL CARE FOR TUBELESS TYRES: While removing tyre from wheel rim and mounting it back on wheel rim, take precautions not to damage tyre bead. Use tyre removal and assembly machines. Damage or cut on tyre bead may cause gradual loss of air and deflation of tyre. Do not scratch inside of tubeless tyre with metallic or sharp object. Tubeless tyres are coated with impermeable layer of rubber from inside which holds the air inside the tyre. Removal of this layer due to scratching may cause gradual loss of air and deflation. If wheel rim gets damaged in service, get the wheel rim repaired/replaced immediately. Running the vehicle with damaged rim may cause deflation of tyre and subsequent dislodging of tyre from rim. Maintain recommended inflation pressure. Over- inflation, in particular, may cause puncture or bursting of tyre. NOTE Do not apply any oil on the wheel pins. Wipe off the oil if present. NOTE Life and wear pattern of tyres depends on various parameters like tyre pressure, wheel alignment, wheel balancing, tyre rotation, etc. It also largely depends on vehicle speed, load carried, usage, driving habits, road conditions, tyre quality, etc. In case fault is suspected to be due to poor quality of tyres, the same may be taken up with concerned tyre manufacture. WHEELS AND TYRES 22
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