Bow Thruster · Bow/Stern Thrusters
Proper inspection and maintenance are crucial for ensuring the longevity and performance of Wärtsilä CT50 tunnel thrusters. Regular checks on propeller blades should include visual inspections and NDT to detect erosion or corrosion, with potential benefits like enhanced efficiency from blade polishing. Deterioration of blade root seals requires periodic servicing every five years, and a full replacement every ten years; these components are vital for preventing water ingress. Inspection intervals for shaft seals are also critical, typically requiring replacement every five years and a more extensive overhaul every decade. Lubrication systems must be monitored closely to prevent oil contamination and maintain optimal performance. The Sternguard In-Water Serviceable Seal (IWSS) allows for maintenance under water without the need for dry docking, ensuring continuous operation and reduced downtime.
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