Propulsion Equipment · Shaft Line & Propulsion
The Kongsberg TT3300 DPN/DPD CP/FP, TT3300 AUX CP/FP and TT3300 ICE CP/FP designation covers variants of the TT3300 tunnel thruster, the largest unit in the TT series listed here. The variants are for dynamic positioning, auxiliary and ice-class duty with controllable-pitch or fixed-pitch propellers. It is installed in a transverse hull tunnel to give sideways thrust for manoeuvring and station keeping, with DNV, ABS and LR class approvals listed.
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What our service work and the manufacturer documentation say about keeping this model running.
Class surveyors typically check seals, gear oil quality, propeller and blades, vibration and pitch feedback during dry-docking. On DP and ICE variants, also review blade condition and the control and alarm function.
Carry shaft seals, oil filters, hydraulic seals and hoses for the pitch system, pitch feedback sensors and fasteners for the propeller and gear housing. Match the spare kit to the variant fitted.
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