Rotary Vane Steering Gear · Steering Gear
Crew members and marine engineers rely on robust sealing systems to ensure the reliable operation of thrusters, which are critical for maneuverability and safety. The SCHOTTEL Propeller Sealing System for Large Thrusters Types STS 160 AFT, STS 330 AFT and STS 560 AFT is designed with these needs in mind. This system operates using hydraulic oil to maintain optimal performance. According to DNV approval, the model number TAM00001FG confirms its compliance with stringent maritime standards. Common issues that can arise include leakage from the rotary vane seal causing internal bypass, wear on the HPU motor bearings after 30,000 hours of operation, clogging of solenoid valves due to oil contamination, and calibration drift in the rudder angle feedback system. To mitigate these risks, SCHOTTEL GmbH recommends keeping a seal kit and solenoid valves on board, with a lead time of 3-8 weeks for replacements. For maintenance, it is essential to conduct hydraulic oil analysis every six months and inspect the wing seals during docking. Additionally, performing the SOLAS Hard-Over Test, which should take no more than 28 seconds, and conducting monthly emergency steering drills are crucial for ensuring the system's reliability. The SCHOTTEL Propeller Sealing System for Large Thrusters Types STS 160 AFT, STS 330 AFT and STS 560 AFT is a vital component in maintaining the operational integrity of these thrusters.
What our service work and the manufacturer documentation say about keeping this model running.
Hydraulic oil analysis every 6 months. Blade seal inspection at drydock. SOLAS hard-over test (28 seconds). Emergency steering drill monthly.
SCHOTTEL GmbH: Keep a seal kit and solenoid valves on board. Lead time: 3-8 weeks.
Listed in the DNV Approval Finder at the time we recorded it. The certificate is issued by DNV, not by us; check its current status at DNV.
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