FIELD: greasing methods in ship mechanical engineering. SUBSTANCE: first layer of grease is applied on thread piece surface by the piece plunging in composition, that has following components, mass diesel fuel 85 -95; kerosene 5 -15, and held there for 10 s under temperature of 0 25 C. Then the piece is withdrawn from the grease, kept under open air for 20 -25 minutes under temperature of 0 25 C and after that they apply second layer of grease, composed of mixture of petroleum refining heavy fractions. Besides, mixture of bitumen and residual fuel oil is used as petroleum refining heavy fraction. Before application heavy fraction mixture is deluted with petrol. EFFECT: improved quality of safeguard against corrosion. 3 cl
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