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Forcing of engines together with positive properties – uprating within 5–50 % has a considerable drawback, i.e. the decrease of its service reliability. The performed analysis of literature points at a considerable increase in the number of turbocompressor failures. The main causes are as follows: nonobservance of the startup and shutdown modes by the operators; breach of the maintenance standards; high randomness of the load modes of 10-150%. The operability and increase of the failure-free performance of the turbocompressor and its elements can be achieved by the application of the suggested lubrication system of the turbocompressor internal combustion engines. The use of the lubrication system of the turbocompressor internal combustion engines with an autonomous lubrication-brake device and an autonomous control system of the turbocompressor rotor braking prevents coking of lubricant oil residues …