Heavy Assembler III assembles fabricated parts to relatively large or heavy subassemblies and complete units. Tests and calibrates parts and mechanisms to meet tolerances and product specifications. Being a Heavy Assembler III typically uses hand tools, jigs, fixtures, and miscellaneous light power tools and equipment. May be required to complete an apprenticeship and/or formal training in area of specialty. Additionally, Heavy Assembler III requires a high school diploma or its equivalent. Typically reports to a supervisor or manager. The Heavy Assembler III has gained proficiency in multiple competencies relevant to the job. Works independently within established procedures associated with the specific job function. To be a Heavy Assembler III typically requires 3-5 years of related experience.