Bow/Stern Thruster · Bow/Stern Thrusters
Steerprop SP 20kW is a bow or stern thruster. It is installed in a transverse tunnel or other dedicated thruster position near the bow or stern and connected to the vessel's electrical or hydraulic power and control systems. Its purpose is to produce transverse thrust for low-speed maneuvering, station keeping or assistance during berthing. The thruster combines a motor or hydraulic drive, propeller, gearbox or direct-drive arrangement, seals and local or bridge control interfaces. Refer to the manufacturer documentation for the exact thrust and operating limits.
What our service work and the manufacturer documentation say about keeping this model running.
Inspect accessible seals, gearbox or bearing lubrication, motor cooling, control equipment and electrical or hydraulic connections. Trend vibration, temperatures and operating current or pressure and investigate deterioration from normal maneuvering performance. Inspect tunnel and propeller condition during underwater or dry-dock surveys for fouling, damage and rope entanglement. Function-test bridge and local controls, interlocks and emergency stopping arrangements. Check for water ingress or lubricant leakage around shaft seals. Refer to manufacturer and class documentation for exact oil specifications, clearances, thrust limits and survey criteria.
Keep shaft or gearbox seals, filters, bearings, control sensors, cooling-fan or pump parts and manufacturer-recommended electrical or hydraulic components. Critical vessels may hold a spare drive or control module according to redundancy. Confirm exact parts from the thruster model and serial number.
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