| 摘要 |
<p>A shovel includes a turning electric motor configured to drive a turning body to turn and a turning brake hydraulic motor mechanically connected to the turning body or the turning electric motor. In a state where a turning operation part for turning the turning body is unoperated, the turning body is braked using the turning brake hydraulic motor and the braking operation of a mechanical brake unit for mechanically holding the turning body stationary is released when an operation part for performing an operation other than the turning of the turning body is operated.</p> |
