Job Description:

• 1) Repairs electric motors, generators, and equipment, such as starting devices and switches, following schematic drawings, and using handtools, coil-winding machines, power tools, and test equipment: Disassembles and removes armature, stator, or rotor from housing.

• 2) Examines coil connections for broken or defective wiring.

• 3) Tests coils, armatures, stator, rotor, and field coils for continuity, shorts, and grounds and insulation resistance, using test lamp, ammeter, and ohmmeter.

• 4) Cuts out or removes defective coils and removes insulation from core slots.

• 5) Cuts and forms insulation and inserts insulation into armature, rotor, or stator slots.

• 6) Rewinds coils on core while in slots manually or makes replacement coils, using coil-winding machine.

• 7) Installs and aligns prewound coils in slots, using hammer, drift, or mallet.

• 8) Replaces defective coil leads and solders connections of coils in specified sequence.

• 9) Examines bearings, shafts, and other moving parts for excessive wear or defects.

• 10) Refaces commutators and machines parts to specified tolerances, using machine tools.

• 11) Assembles and tests motor for specified performance.

• 12) May be designated according to size of motor repaired as Fractional-Horsepower Motor Repairer; equipment repaired as Dynamotor Repairer; or part repaired as Armature Straightener; Coil-Connector Repairer; Commutator Repairer; Field-Coil Repairer; Stator Repairer.