Transformer Repair Technician

Transformer Repair Technician

The Transformer Repair Technician troubleshoots, repairs, and retests overhead distribution transformers that are rejected during production, fail final test, or are returned by customers. Working on the production floor under the direction of the Repair Lead, this position disassembles and rebuilds units, replaces defective components, verifies repairs through electrical testing, and documents all work so units are released safely, on time, and in accordance with quality standards. The Repair Technician also helps identify recurring defects and shares findings with Production, Quality, and Engineering to prevent repeat issues.

Responsibilities

• Troubleshoot and repair nonconforming and returned units, including Orange Tag, Yellow Tag production rejects, Purple Tag post-production rejects, customer return/warranty units, following the priorities set by the Repair Lead.
• Inspect units to identify the cause of failure, including electrical faults, insulation damage, oil leaks, and mechanical or cosmetic defects.
• Disassemble and rebuild units as needed, including draining and handling insulating oil, untanking and re-tanking core and coil assemblies, and resealing covers and gaskets.
• Remove and replace components such as bushings, tap changers, leads, connectors, arresters, fuses, and gaskets, using brazing, crimping, and hand and power tools per work instructions.
• Perform required electrical testing to verify repairs, including ratio (TTR), polarity, winding resistance, and insulation resistance (Megger), and coordinate final testing with the Test department prior to release.
• Perform leak checks, refill units with oil to the correct level, and complete paint touch-up and final cosmetic inspection.
• Read and interpret work instructions, drawings, nameplates, wiring diagrams, and specifications to complete repairs accurately.
• Document repair findings, actions taken, and test results in the appropriate tracking system, and accurately update unit tags and status.
• Communicate recurring defects and root-cause observations to the Quality Supervisor or Manager.
• Safely operate overhead cranes, hoists, forklifts, and other material handling equipment to move units and components.
• Follow all company safety requirements, including lockout/tagout (LOTO), electrical test-area safety, PPE, oil spill and environmental procedures.
• Maintain tools, test equipment, and work areas in clean, organized, and safe condition.
• Participate in continuous improvement efforts to reduce rework, improve turnaround time, and control costs.
• Perform other duties as assigned to support department and company objectives.