Stern Tube 400
Blohm + Voss Industries Stern Tube 400 is listed in the source as a marine Propulsion Equipment within the Shaft Line & Propulsion group. Equipment of this type is typically installed in the aft machinery or steering space and along the propulsion or rudder load path as required by the vessel arrangement. Its primary duty is propulsion transmission or steering duty associated with the Propulsion Equipment, and it depends on bearings, seals, hydraulic or mechanical transmission, structural alignment and control or feedback equipment maintaining a reliable load path. Neighboring variants can differ in rating, size, interface, approval basis or arrangement, so the complete model designation and actual nameplate data are important for identification. It normally interfaces with main propulsion or steering controls, hydraulic power where fitted, bearings and foundations, lubrication systems, feedback sensors and alarms. For any exact capacity, pressure, voltage, tolerance, wear limit or setting not stated in the source, refer to the manufacturer documentation for the exact figure.
Components & Design
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Technical Data
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Common failures & inspection points
Service & Maintenance
Inspect bearings, seals, couplings, foundations, hydraulic equipment, feedback devices and visible structural load paths. Review vibration, temperature, leakage and alignment trends and test steering or propulsion control functions according to approved procedures. Refer to class and manufacturer documentation for exact clearances, alignment criteria and test limits.
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