FIELD: treatment of surfaces of tubes, shafts, crank shafts of internal combustion engines. SUBSTANCE: shots are fed onto treated surface by means of oil or air flow. Nozzle head is parted one, it has hinged upper portion with lock. Installation also has device for cavitation-ultrasonic treatment. Means for treating in the form of chemical solutions, powder additives or evaporated metals are used. Special vessels are mounted in housing of installation. Carriage provides motion of apparatus for supplying shots to treatment zone. EFFECT: enhanced efficiency, high quality of treated surface due to use of complex-type treatment process. 4 dwg
