Freefall Lifeboat · Lifesaving Appliances (LSA)
Crew evacuation and safety are paramount on any vessel, ensuring that all onboard can be swiftly and securely transported to safety in emergencies. The DEW450 is a critical component in this process, designed to meet stringent SOLAS certification for persons capacity. This model has been rigorously tested and approved by both IMO and DNV, with the model number 1473915 HH confirming its compliance. However, maintaining the reliability of the DEW450 involves addressing several common failures that can compromise safety. The release hook mechanism is particularly susceptible to corrosion or blockage, which is a critical safety issue. Regular engine tests are essential; mangeling regular checks can lead to diesel motor start failures. Additionally, the GRP hull may develop osmotic blisters when exposed to water for extended periods, and the air supply system valves can fail unexpectedly. Safety harnesses and belts also degrade over time due to UV exposure and weather conditions. To ensure continuous operation, spare parts are available through Fassmer-Marland Ltd. or authorized distribution partners, with a lead time of 2-6 weeks. Weekly engine test runs for at least five minutes, annual servicing of the release hook by an approved provider (SOLAS MSC.402(96)), and regular GRP hull inspections during docking are crucial maintenance practices. A thorough examination every five years is also recommended to maintain the DEW450’s reliability and safety standards.
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What our service work and the manufacturer documentation say about keeping this model running.
Weekly engine test run (min. 5 min). Release hook servicing annually by an approved service provider (SOLAS MSC.402(96)). GRP hull inspection at docking. Five-year thorough examination.
Spare parts via Fassmer-Marland Ltd. or authorised distribution partners. Lead time: 2-6 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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