Rate of Turn Indicator · Position & Heading
Tokyo Keiki ROT-30 Indicator is listed in this library as a marine rate of turn indicator in the Position & Heading / Rate of Turn Indicator category. Equipment of this class is typically installed in the shipboard area serving the position & heading function, with the exact location determined by the vessel arrangement. Its shipboard purpose is to perform the operational duty associated with the vessel's rate of turn indicator installation. The exact piping, electrical, control, foundation, and accessory arrangement depends on the vessel and the installed configuration. Where adjacent models in the same product family differ in rating, size, materials, control options, certification, or accessories, refer to the manufacturer documentation for the exact model-specific differences.
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Inspect the unit for leakage, corrosion, contamination, loose connections, abnormal noise or vibration, condition of guards and mountings, service supplies, controls, alarms, and functional performance. Use the vessel maintenance history to identify deterioration trends and refer to the manufacturer documentation for exact settings, tolerances, test values, and overhaul criteria.
Keep the manufacturer-recommended seals and gaskets, filters where fitted, fuses or protection items, common sensors and switches, and critical actuator, control, or wear components appropriate to the installed configuration. Exact part numbers and quantities must come from the manufacturer spare-parts documentation.
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