| 摘要 |
A cleaning device (10) is provided with a cleaning agent circulation device (12), a valve-equipped connection pipe (22), a connection pipe opening/closing valve (24), and a control unit (14). The cleaning agent circulation device (12) has: a supply flow passage (31) for supplying a cleaning agent; and a return flow passage (32) for returning the cleaning agent. The valve-equipped connection pipe (22) is disposed between the connection end (97) of first hydraulic oil piping (91) and the connection end (97) of second hydraulic oil piping (92). The connection pipe opening/closing valve (24) is disposed in the flow passage of the valve-equipped connection pipe (22) and regulates, on the basis of an instruction from the control unit (14), the flow rate of the cleaning agent flowing through the valve-equipped connection pipe (22). |
