{"schemaVersion":"1.0","exportedAt":"2026-05-15T12:50:11.527Z","occupation":{"soc":"51-2031.00","title":"Engine and Other Machine Assemblers","group":"Production","sector":"31-33","jobZone":2,"jobZoneInferred":false},"framework":{"version":"v.26.05","description":"","contextCovered":"This framework covers engine and machine assembly operations in a Job Zone 2 manufacturing environment, spanning blueprint interpretation, precision measurement, component fitting, functional testing, and shop floor quality management from entry-level assembly tasks through department-level technical leadership.","levels":{"emerging":{"label":"Emerging","statements":["Assembly blueprints and specification manuals — locate and read basic diagrams under direct supervisor guidance on the production floor.","Hand tools and basic fastening equipment — identify and handle correctly during introductory assembly tasks in a supervised shop environment.","Mechanical components and subassemblies — position and align manually following step-by-step instructions provided by a lead assembler.","Calipers and basic gauges — use to take simple measurements and compare results against labeled tolerances with close oversight.","Parts lists and stock inventories — cross-reference physical components against printed lists to confirm correct parts are staged for assembly.","Surface finishing tools — remove rough spots and burrs from parts using hand files and emery cloth under direct instruction.","Completed subassemblies — perform basic visual inspection to identify obvious defects before passing work to the next station.","Piping fixtures and wiring connections — assist in fastening pre-fitted components using hand tools under the supervision of a skilled assembler.","Assembly sequence steps — follow written work instructions and checklists to maintain correct build order during routine machine assembly.","Safety protocols and shop floor procedures — demonstrate compliance with PPE requirements and tool-handling rules in a manufacturing facility."]},"developing":{"label":"Developing","statements":["Assembly blueprints and engineering drawings — interpret multi-view diagrams and extract dimensional specifications to plan routine build sequences independently.","Micrometers, dial indicators, and precision gauges — select and apply appropriate instruments to verify parts clearances and dimensional conformance with minimal oversight.","Mechanical subassemblies — position, align, and secure components using manual lifting and hoist equipment according to established assembly procedures.","Piping, electrical wiring, and fixtures — fasten and route correctly into engine or machine assemblies using hand tools and rivet guns in a production environment.","Drill presses and tapping tools — lay out, drill, ream, and tap parts to specification dimensions during standard machining-support tasks.","Completed assemblies — operate and functionally test finished machines against customer specifications, documenting results on standard inspection forms.","Quality control checklists — apply structured analysis to identify out-of-tolerance conditions and initiate corrective steps within familiar assembly contexts.","Power tools and surface preparation equipment — smooth and fit mating surfaces to achieve proper part fit during assembly without dimensional damage.","ERP and spreadsheet software — enter production data, parts consumption, and inspection results into shop floor tracking systems accurately.","Verbal and written communication — relay assembly status updates, part discrepancies, and quality findings clearly to supervisors and co-workers during shift operations."]},"proficient":{"label":"Proficient","statements":["Complex engine or machine blueprints — read, interpret, and translate full specification packages into detailed assembly plans for non-routine or custom builds without supervision.","Full-scope precision measurement instruments — select, calibrate, and apply micrometers, CMM data, and multi-point gauging systems to verify critical clearances across an entire assembly.","Hoist rigging and alignment fixtures — plan and execute precise component positioning for heavy or geometrically complex subassemblies, resolving fit issues independently.","Completed machines and engines — conduct comprehensive operational tests, diagnose capability shortfalls, and recommend corrective adjustments to meet customer performance specifications.","Non-standard parts and modified assemblies — evaluate conformance against engineering drawings and substitute or adapt components when standard stock deviates from specifications.","Welding equipment and advanced fastening methods — perform or oversee weld-joint assembly and high-torque fastening operations that meet structural and leak-test requirements.","Root-cause analysis processes — apply critical thinking to trace assembly defects back to upstream causes and implement durable corrective actions on the production floor.","CAD and ERP software — extract dimensional data, cross-reference work orders, and confirm bill-of-materials accuracy to support efficient build scheduling.","Surface machining operations — plan and execute drilling, reaming, and tapping sequences for custom or rework assemblies, selecting tooling and feeds to maintain dimensional integrity.","Quality assurance documentation — author and maintain assembly procedure updates, inspection records, and non-conformance reports that support regulatory and customer audit requirements."]},"advanced":{"label":"Advanced","statements":["Assembly standards and work instructions — author, revise, and approve facility-wide procedures that govern engine and machine build quality across all product lines.","Production quality systems — lead implementation of statistical process control and measurement system analysis programs to drive defect reduction across the assembly department.","Workforce capability development — design and deliver structured on-the-job training programs that build technical competency in blueprint reading, precision measurement, and assembly methods for new and incumbent assemblers.","Capital tooling and equipment strategy — evaluate and recommend acquisition of hoists, precision instruments, and CNC support equipment to expand shop capacity and improve accuracy.","Customer specification compliance — serve as the technical authority in customer meetings and audits, translating complex requirements into actionable assembly standards and acceptance criteria.","Cross-functional engineering collaboration — partner with design and process engineering teams to identify and resolve producibility issues before new engine or machine designs enter full production.","ERP and digital manufacturing platforms — lead configuration and adoption of enterprise software to integrate bill-of-materials, assembly routing, and inspection data across the production operation.","Safety and continuous improvement culture — champion hazard-reduction initiatives and Lean or 5S programs that sustainably improve shop floor ergonomics and operational efficiency.","Production throughput and cost management — analyze assembly cycle times, rework rates, and material usage data to set performance targets and drive measurable improvement in output quality.","Organizational knowledge transfer — document institutional expertise in complex assembly techniques and mentor senior assemblers to ensure critical technical knowledge is retained and disseminated across the workforce."]}}},"sources":{"onet":"v30.2 (CC BY 4.0)","crosswalk":"https://skillscrosswalk.com","generator":"LER.me"},"attribution":"© EBSCOed"}