How to get a long life of tyres, what to do, what not to do with tyres. A complete guide on care and maintenance of tyres.

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Transport industry plays a vital role in the development of the Nation. In fact, the progress of the Nation and transport industry are complementary to each other. The road transport industry has a lion’s share in world Industrial and Agricultural progress.

The main stay of the road transport industry is the tyre as it is the last link between the road and the vehicle. It shoulders the load; and the economy of the industry is very much dependent on the service the tyre gives. It is not enough to have a good tyre; but it needs looking after.

The life of the tyre and its performance in terms of cost per kilometer depend on many factors, such as
(a) Care and maintenance of tyres, rims etc.
(b) Tyre load and inflation pressure.
(C) Driving habits.
(d) Mechanical condition of vehicles.
(e) Road conditions.
(f) Seasonal effect on tyre performance.

It should be remembered that the tyre fitting and removal is not “Do-it-yourself” job. Correct equipment and actual experience are essentially required for a satisfactory job.

It is important that a regular sequence of maintenance is first laid down and then checked to supervise if this is being followed by the persons responsibility for the job. Those responsible persons must be properly instructed for the work and they must be fully aware of what is exactly required from them to achieve the ultimate objective.

The pneumatic tyre is device designed to protect the tube with carries compressed air, the load carrying agent. Briefly, it is an air bag fitted to a road wheel. It consists of two main components the outer tyre and the tube both of which are mounted on a rim. This is complete assembly
forming an effective compressed air container, and the “ATR CARRIES THE LOAD”.

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The tube is constructed so as to prevent the loss of compressed air and at the same time, be as flexible as possible.

The tyre casing is a protection for the tube and has to be strong enough to restrain the compressed air in the tube and protect it from damage; at the same time it has to be pliable enough to withstand the continued flexing produced by the rotation of the tyre under load.

The tyre casing carcass is usually made from rubber impregnated rayon or nylon or steel, and it is fitted with a patterned rubber tread to provide road grip and to resist the abrasive action of the road surface.

The tyre provides a cushion between the vehicle and the road, thus eliminating road shocks and damping down vibration. It also transmits the power from the engine through the medium of the driving wheels to the road, when the brakes are applied, it is the tyre again which transmits the hole of the retarding force.

In order to give the maximum grip on the road surface, a tyre is provided with a tread pattern and various designs of tread patterns are available to give the best performance under different conditions of operation. To obtain best performance with minimum cost the recommended inflation pressures be maintained rigidly. Remember that the “AIR CARRIES THE LOAD”.

Too often we jump to the conclusion that when a tyre fails the same day it is installed that it must be a factory defect. It is not necessarily so. ln fact a new tyre takes 24 hours to 48 hours to get into its operating shape after being mounted and inflated. The internal air pressure pushes equally in all directions until the Inside shape becomes a Part of a circle from bead to bead. It is possible to damage a new tyre irretrievably when it is thrown into service immediately upon mounting is excessively loaded and forced to operate beyond its rated speed.

It is best always to follow these rules:
(1) Mount and inflate tyres at least a day before they are to be used.
(2) Break them in at low speed for some distance before they are ready to take the strain of full rated performance. After that the speed can be increased progressively.

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Continue (Part 2) of How to get a long life of tyres, what to do, what not to do with tyres. A complete guide on care and maintenance of tyres.

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