General Welding Consumables · Welding Consumables
Regular maintenance and timely replacement of critical components are essential for the reliable operation of radar systems like the SF-71MC / M21, manufactured by Hyundai Welding Co., Ltd. in Pohang. This radar system operates on both X-Band and S-Band frequencies, meeting the requirements set by the IMO SOLAS regulations. It uses electromagnetic radar technology to provide navigational assistance. Common issues that may arise include magnetron end-of-life after 5,000 to 8,000 hours of operation, bearing damage in the antenna rotation motor after 30,000 hours, and backlight failure in the display. Heading marker misalignment and water ingress in the waveguide due to pressure sealing issues can also occur. To ensure continuous operation, it is recommended to keep a spare magnetron on board, especially for magnetron models, with a lead time of 1 to 3 weeks. Magnetron replacement should be performed every 5,000 to 8,000 hours, while annual lubrication of the antenna bearing is also necessary. Weekly performance monitoring tests are required by IMO standards, and an annual inspection is recommended to maintain the radar's effectiveness.
What our service work and the manufacturer documentation say about keeping this model running.
Magnetron replacement every 5,000-8,000 hours. Antenna bearing lubrication annually. Weekly performance monitor test (IMO requirement). Annual inspection.
Hyundai Welding Co., Ltd. (Pohang): Keep a spare magnetron on board (on magnetron models). Lead time: 1-3 weeks.
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