V. DO’S AND DON’TS For each vehicle, tyre of a particular size, • pattern and ply rating is recommended for usage. Fit only recommended tyres. The rim and wheel used must also be of the • recommended type and in a very good condition. Care must be taken while mounting the tyre on • the rim. Improper tools and careless handling will not only damage the tyre but could result in accidents causing serious injury. It is recommended that with each new tyre, an • appropriate new tube and where applicable, a new flap should be used. The tyre has to be ensure with the right inflation • as recommended by the manufacturer. Underinflation and over-inflation can seriously reduce the life of the tyre and may even cause accidents due to premature failures. The inflation pressure should be checked at least once in a week when the tyres are cold and have not run for long. The maximum load imposed on a tyre should • never exceed the maximum load carrying capacity of the tyre. Tyres rotation should be carried out as • recommended in the service schedule. Driving on worn out tyres can be very • dangerous and can lead to serious accidents. Steel wheel / Alloy wheel Radial run-out limit Lateral runout limit 1.14 mm (0.045 in) 1.4mm (0.055 in.) Wheels and Tyres 16
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