Inflatable Life Raft (SOLAS-A) · Life Rafts
Designed to ensure safe and reliable deployment of liferafts in emergency situations, the Model DW 34 manual winch for single fall liferaft launching appliances with a maximum approved working load of 34 kN is a critical component in crew evacuation systems. Manufactured by VIKING Life-Saving Equipment Norway AS, this winch is engineered to meet stringent SOLAS certification standards, ensuring the safety and capacity for multiple persons during maritime emergencies. Common failures that can compromise its effectiveness include an expired hydrostatic release unit (HRU), which is a critical safety issue, as well as pressure loss in CO2 bottles due to corrosion or aging. Additionally, UV exposure can lead to material degradation, while fangleine corrosion or blockage and the expiration of survival equipment such as flares, water, and provisions are also potential issues. To maintain optimal performance, VIKING Life-Saving Equipment Norway AS emphasizes that servicing must be conducted only at an approved service station. An HRU should always be kept on board, and annual service is mandatory to comply with SOLAS/MSC.1/Circ.1328 regulations. The Model DW 34 manual winch for single fall liferaft launching appliances requires the replacement of the HRU at intervals specified by the manufacturer, typically every two years, and a complete recertification or replacement of the liferaft every five years.
What our service work and the manufacturer documentation say about keeping this model running.
Annual servicing at an approved service station is MANDATORY (SOLAS/MSC.1/Circ.1328). HRU replacement at the manufacturer's interval (typically 2 years). Liferaft replacement/recertification every 5 years.
VIKING Life-Saving Equipment Norway AS: Servicing ONLY at an approved service station. Keep an HRU on board. Annual service mandatory.
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