Check of pressure of air in tires. Pressure of air in tires is necessary for checking every month or before a long trip. It should correspond to the values given in tab. 1.3. During check of the tire should be cold. It is necessary to check pressure and in the tire of a spare wheel.

Check of a condition of tires. It is necessary to replace tires of wheels, if being in the lower part of a protector special indexes as a result of wear are made even to its external surface. The provision of indexes is designated by a triangular label on боковине tires.

Fig. 1.47. Scheme of shift of wheels

Shift of wheels. At appreciable wear of protectors of tires of forward wheels it is recommended to trade places lobbies and back wheels (fig. 1.47) . It will provide identical term of operation of all tires.