A professional who inspects and adjusts electric-clock wheel parts to correct truing ii of pinion and wheel assemblies, using comparator, loupe, and truing tools. Responsibilities include:

• Places part in rotating jig of comparator and projects part onto calibrated screen to determine degree of truing defect or examines part to determine defect, using loupe.
• Bends parts manually to correct truing defect or forces truing tool against rotating part to correct defect.