Job Description:

• 1) Repairs power transformers used in electric generating stations and substations to step-up voltage of current being fed out over high-voltage power lines or to step-down voltage of incoming current prior to being fed to lower voltage distribution lines or electric equipment: Drains and filters transformer oil.

• 2) Loosens bolts to free transformer cover, laminations, coils, and other internal and external parts.

• 3) Signals OVERHEAD CRANE OPERATOR to raise heavy transformer components and subassemblies.

• 4) Dismantles lamination assembly preparatory to cleaning and inspection.

• 5) Conveys defective coils to coworker for rewinding.

• 6) Climbs into transformer case, cleans inner surfaces with scrapers and solvent, and examines case for defects, such as cracked weldments.

• 7) Reassembles transformer, using new and reconditioned parts as specified.

• 8) Operates pump to fill reassembled transformer with oil.

• 9) May work at site of transformer installation.

• 10) May wind replacement coil.