- Two or more identical steering gear power units are fitted which when operating simultaneously are capable of operating the rudder in accordance with the requirements of steering gear ,
- The main steering gear is so arranged that after a single failure in its piping system or in one of the power units the defect can be isolated so that steering capability can be maintained or speedily regained.
You may also know:
Every main and auxiliary steering gear control system shall,-
- If electric, be served by its own separate circuit supplied from a steering gear compartment or directly from switchboard bus bars supplying that steering gear power circuit at a point on the switchboard adjacent to the supply to the steering gear power circuit ;
- Be provided in the steering gear compartment with means for disconnecting the control system from the steering gear it services ;
- Be capable of being brought into operation from a position on the navigating bridge ;
- Be provided with an audible and visual alarm on the navigating bridge that will operate in the event of a failure of the electric power supply to the control system, and
- Be provided only with short circuit protection for the electric supply circuits.
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