The conditions of operation of non-metallic elements of air suspension of road vehicles are analyzed. The influence of negative temperatures on non-metallic (rubber) elements of an air spring has been studied. An assessment of the possibility of using impregnating compositions for servicing the rubber elements of the air suspension of road vehicles in various temperature conditions has been carried out. It is shown that the use of impregnating compositions when servicing rubber elements of an air suspension allows minimizing cracking of the material and, consequently, increasing the durability of the suspension.

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The application possibility of impregnating compounds for maintenance of rubber components of a pneumatic suspension of road machines under different temperature conditions has been assessed. Solid oil (the cheapest general-purpose plastic grease) and anaerobic material of AN-1U grade (richer impregnating compound) were used as impregnating compounds. It was found out that the use of impregnating compounds for maintenance of rubber components of a pneumatic suspension of road machines made possible to increase their resistance to the effect of negative temperatures, to minimize material cracking and as a result to increase service life of the suspension.