Tunnel Thruster · Bow/Stern Thrusters
The Brunvoll FU100 is a marine propulsion thruster designed for efficient maneuvering and station-keeping in various maritime applications. According to the manufacturer's datasheet, this thruster is capable of delivering significant thrust in seawater conditions. The unit is approved by DNV, ensuring it meets stringent maritime safety and quality standards. Common issues associated with the FU100 include gearbox oil leakage due to wear on the shaft seals after approximately 15,000 to 20,000 hours of operation, propeller blade edge erosion caused by cavitation, hydraulic motor leakage in hydraulic variants, and motor insulation degradation due to moisture exposure. To maintain optimal performance, spare parts such as gearbox oil and seals should be kept on board, with a lead time of 3 to 6 weeks for replacement. Routine maintenance includes conducting a gearbox oil analysis every 1,000 hours, performing an annual motor insulation test, and inspecting the propeller during docking. Additionally, the tunnel grill should be checked during docking to ensure it remains free from debris and is in proper working condition.
Photos, drawings and page previews from this model’s datasheet or catalog.
“Brunvoll Tunnel Thrusters are designed for the most demanding requirements according to North Sea offshore standards, and are used on all types of ships.”
What our service work and the manufacturer documentation say about keeping this model running.
Gear oil analysis every 1,000 hours. Motor insulation test annually. Propeller inspection at drydock. Check tunnel grating at drydock.
Brunvoll AS: Getriebeöl und Dichtungen an Bord. Lead time: 3-6 Wochen.
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