Method for using a revolver crane, and a revolver crane

摘要

A method for using a revolver crane, comprising the positioning of a ballast (10) on a platform ring (4) in accordance with the repositioning of a load (14) which is supported by a boom (5), is repositioned in relation to the platform ring (4) as well, so as to cause a balance of moments. A revolver crane for performing this method comprises ballast hoisting elements for hoisting said ballast (10) and repositioning it in relation to the platform ring (4).