A professional who assembles components and subassemblies of various types of scales. Responsibilities include:

• Verifies scale parts requirement list against parts inventory in work area to ensure supply for assembly.
• Assembles parts and subassemblies, such as base, levers, stirrups, pins, charts, indicators, and pendulums, into scale housing, using handtools and powered tools, jigs and fixtures, and plug and go-not-go gauges.
• Fills cavities with hot lead or lead shot to weight required for specific type scale, as fan type and cylinder type.
• Drills holes, twists levers, hones pivots, and files parts to ensure clearance, alignment, and accuracy.
• May assemble complete scale or work at position on assembly line.
• May test scales for accuracy, using master weights, and adjust parts and calibrate scale, using handtools.