# Wind Turbine Service Technicians > Inspect, diagnose, adjust, or repair wind turbines. Perform maintenance on wind turbine equipment including resolving electrical, mechanical, and hydraulic malfunctions. - Code: 49-9081.00 (O*NET-SOC; SOC 2018 49-9081) - Family: [Installation, Maintenance & Repair](https://foundation.org.ai/occupations#family-49), one of its 52 occupations - Tasks: 12 tasks (10 core and 2 supplemental) - Page: https://foundation.org.ai/occupations/49-9081.00 - JSON: https://foundation.org.ai/data/tasks/49-9081.00.json ## What the work is made of 1. Troubleshoot or repair mechanical, hydraulic, or electrical malfunctions related to variable pitch systems, variable speed control systems, converter systems, or related components. Core task · Task 17806 · Rated by 95 people who do the job, August 2021 2. Perform routine maintenance on wind turbine equipment, underground transmission systems, wind fields substations, or fiber optic sensing and control systems. Core task · Task 17809 · Rated by 96 people who do the job, August 2021 3. Diagnose problems involving wind turbine generators or control systems. Core task · Task 17808 · Rated by 97 people who do the job, August 2021 4. Test electrical components of wind systems with devices, such as voltage testers, multimeters, oscilloscopes, infrared testers, or fiber optic equipment. Core task · Task 17811 · Rated by 97 people who do the job, August 2021 5. Start or restart wind turbine generator systems to ensure proper operations. Core task · Task 17810 · Rated by 97 people who do the job, August 2021 6. Climb wind turbine towers to inspect, maintain, or repair equipment. Core task · Task 17807 · Rated by 97 people who do the job, August 2021 7. Maintain tool and spare parts inventories required for repair, installation, or replacement services. Core task · Task 17815 · Rated by 97 people who do the job, August 2021 8. Test structures, controls, or mechanical, hydraulic, or electrical systems, according to test plans or in coordination with engineers. Core task · Task 17812 · Rated by 97 people who do the job, August 2021 9. Train end-users, distributors, installers, or other technicians in wind commissioning, testing, or other technical procedures. Core task · Task 17817 · Rated by 95 people who do the job, August 2021 10. Collect turbine data for testing or research and analysis. Core task · Task 17814 · Rated by 95 people who do the job, August 2021 11. Inspect or repair fiberglass turbine blades. Supplemental task · Task 17805 · Rated by 97 people who do the job, August 2021 12. Assist in assembly of individual wind generators or construction of wind farms. Supplemental task · Task 17813 · Rated by 96 people who do the job, August 2021 ## More in Installation, Maintenance & Repair - [Aircraft Mechanics and Service Technicians](https://foundation.org.ai/occupations/49-3011.00): 38 tasks - [Audiovisual Equipment Installers and Repairers](https://foundation.org.ai/occupations/49-2097.00): 11 tasks - [Automotive Body and Related Repairers](https://foundation.org.ai/occupations/49-3021.00): 25 tasks - [Automotive Glass Installers and Repairers](https://foundation.org.ai/occupations/49-3022.00): 18 tasks - [Automotive Service Technicians and Mechanics](https://foundation.org.ai/occupations/49-3023.00): 30 tasks - [Avionics Technicians](https://foundation.org.ai/occupations/49-2091.00): 13 tasks - [Bicycle Repairers](https://foundation.org.ai/occupations/49-3091.00): 14 tasks - [Bus and Truck Mechanics and Diesel Engine Specialists](https://foundation.org.ai/occupations/49-3031.00): 26 tasks - [Camera and Photographic Equipment Repairers](https://foundation.org.ai/occupations/49-9061.00): 15 tasks - 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