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Merchant Shipping (Safety Convention) Regulations, 2003 · s 80

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s 80

(1)

Means for indicating that the motors of electric and electrohydraulic steering gear are running shall be installed on the navigation bridge and at a suitable main machinery control position.

(2)

Each electric or electrohydraulic steering gear comprising one or more power units shall be served by at least 2 exclusive circuits fed directly from the main switchboard. One of the circuits may be supplied through the emergency switchboard. An auxiliary electric or electrohydraulic steering gear associated with a main electric or electrohydraulic steering gear may be connected to one of the circuits supplying this ma~,n steering gear. The circuits supplying an electric or electrohydraulic steering gear shall have adequate rating for supplying all motors which can be simultaneously connected to them and may be required to operate simultaneously.

(3)

Short circuit protection and an overload alarm shall be provided for such circuits and motors. Protection against excess current, including starting current, if provided, shall be for not 'tess than twice the full load current of the motor or circuit so protected, and shall be arranged to permit the passage of the appropriate starting currents. Where a 3-phase supply is used, an alarm shall be provided that will indicate failure of any one of the supply phases. The alarms required in this sub-regulation shall be both audible and visual and shall be situated in a conspicuous position in the main machinery space or control room from which the main machinery is normally controlled and as may be required by regulation 102.