PROBLEM TO BE SOLVED: To provide a coupling cover capable of easily and quickly performing a turning operation of manually rotating a shaft in a stationary state. A coupling cover configured to house a coupling that transmits a rotational force between a first shaft and a second shaft, and the circumference of the coupling in a cross section orthogonal to the axis of the coupling. A first cover member configured to cover one side in the horizontal direction on the surface, and a length in the direction extending the axis is shorter than that of the first cover member, and the other side in the horizontal direction on the peripheral surface of the coupling in the cross section. A second cover member configured to cover the side, and a third cover configured to be able to open and close an opening formed on the other side in the horizontal direction on the peripheral surface of the coupling by the first cover member and the second cover member. It is provided with a member. [Selection diagram] FIG. 11
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