General Welding Consumables · Welding Consumables
Radar systems are essential for safe navigation and compliance with international maritime regulations. The SC-70ML / M21 operates in both X-Band and S-Band frequencies, ensuring reliable detection and tracking of objects under various weather conditions. This radar is designed to meet IMO SOLAS requirements, providing accurate electromagnetic radar data that enhances situational awareness on the bridge. Common failures include magnetron end-of-life after 5,000 to 8,000 operating hours on magnetron models, which can be mitigated by keeping a spare magnetron on board. The antenna's rotational motor may suffer bearing damage after 30,000+ hours of operation, and the display’s backlight can fail over time. Additionally, issues with heading marker alignment drift and moisture ingress into waveguides due to compromised pressurization are known concerns. To ensure optimal performance, it is recommended to replace the magnetron every 5,000-8,000 hours and lubricate the antenna bearing annually. A weekly performance monitor test, as required by IMO regulations, should be conducted, along with an annual inspection. The SC-70ML / M21’s maintenance and service protocols are designed to minimize downtime and maximize operational reliability.
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.
Free of charge — send us your request for Hyundai Welding Co., Ltd. (Pohang) equipment. Our team checks it and replies by e-mail.
Other models of the same equipment type, Hyundai Welding Co., Ltd. (Pohang) first.
Tell us what you need for this Hyundai Welding Co., Ltd. (Pohang) SC-70ML / M21 — a part, a service call, a second opinion. Are you Hyundai Welding Co., Ltd. (Pohang)? Claim this brand page.
Service engineer? Write the day report for this SC-70ML / M21 in OceanSphere Work — photos, hours and parts, as a PDF for the owner. Try it free for 14 days →
Yes. Specifications, documents and service notes for this model are readable without an account. An account adds saved searches and requests, nothing is taken away.
Yes. Tell us the manufacturer, the model and what you need — a person reads every request and replies by e-mail.
Send us the nameplate or the correct value. We check it against the manufacturer datasheet or class-society record and update the page.