摘要 |
A method and an assembly/disassembly arrangement for a tunnel thruster unit includes a thruster unit and a tunnel, a first attachment arrangement for fitting of said thruster unit to the tunnel and at least one further attachment arrangement for safe fitting of the thruster unit in the tunnel. A further attachment arrangement is in the form of a first interface device fixedly attached to and protruding from attached to the inside of the tunnel wall and a second interface device fixedly attached to the thruster unit. |