| 摘要 |
A pump comprises a pump superstructure, a housing having a longitudinal axis, and mounting elements for pivotably mounting the housing on the superstructure for enabling a swinging of the housing between a vertical operational orientation and a horizontal maintenance orientation. The longitudinal axis of the housing is substantially vertical in the operational orientation of the housing and substantially horizontal in the maintenance orientation. An impeller is rotatably disposed in the housing for rotation about the longitudinal axis in the operational orientation of the housing, while a drive is fixed to the superstructure in a stationary location for rotatably driving the impeller. A coupling component is provided on the superstructure for enabling a connection of the drive to the impeller upon a pivoting of the housing from the maintenance orientation to the operational orientation and for alternately enabling a disconnection of the drive from the impeller prior to a pivoting of the housing from the operational orientation to the maintenance orientation.
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