Millwrights
Install, dismantle, or move machinery and heavy equipment according to layout plans, blueprints, or other drawings.
- Tasks
- 23 tasks22 core, 1 supplemental
- Family
- Installation, Maintenance & RepairOne of its 52 occupations
- Code
- 49-9044.00SOC 2018: 49-9044
What the work is made of
22 core tasks and 1 supplemental, each quoted as published, with the survey it came from.
Core: central to the jobSupplemental: done by some, not all
- Task 1. Replace defective parts of machine, or adjust clearances and alignment of moving parts.Core taskTask 3041Rated by 22 occupational experts, August 2024
- Task 2. Align machines or equipment, using hoists, jacks, hand tools, squares, rules, micrometers, lasers, or plumb bobs.Core taskTask 21083Rated by 22 occupational experts, August 2024
- Task 3. Insert shims, adjust tension on nuts and bolts, or position parts, using hand tools and measuring instruments, to set specified clearances between moving and stationary parts.Core taskTask 3048Rated by 22 occupational experts, August 2024
- Task 4. Signal crane operator to lower basic assembly units to bedplate, and align unit to centerline.Core taskTask 3047Rated by 22 occupational experts, August 2024
- Task 5. Conduct preventative maintenance and repair, and lubricate machines and equipment.Core taskTask 18785Rated by 22 occupational experts, August 2024
- Task 6. Assemble and install equipment, using hand tools and power tools.Core taskTask 3045Rated by 22 occupational experts, August 2024
- Task 7. Assemble machines, and bolt, weld, rivet, or otherwise fasten them to foundation or other structures, using hand tools and power tools.Core taskTask 3051Rated by 22 occupational experts, August 2024
- Task 8. Move machinery and equipment, using hoists, dollies, rollers, and trucks.Core taskTask 3049Rated by 22 occupational experts, August 2024
- Task 9. Level bedplate and establish centerline, using straightedge, levels, and transit.Core taskTask 3054Rated by 22 occupational experts, August 2024
- Task 10. Dismantle machines, using hammers, wrenches, crowbars, and other hand tools.Core taskTask 3055Rated by 22 occupational experts, August 2024
- Task 11. Bolt parts, such as side and deck plates, jaw plates, and journals, to basic assembly unit.Core taskTask 3053Rated by 22 occupational experts, August 2024
- Task 12. Lay out mounting holes, using measuring instruments, and drill holes with power drill.Core taskTask 3052Rated by 22 occupational experts, August 2024
- Task 13. Attach moving parts and subassemblies to basic assembly unit, using hand tools and power tools.Core taskTask 3050Rated by 22 occupational experts, August 2024
- Task 14. Weld, repair, and fabricate equipment or machinery.Core taskTask 18786Rated by 22 occupational experts, August 2024
- Task 15. Shrink-fit bushings, sleeves, rings, liners, gears, and wheels to specified items, using portable gas heating equipment.Core taskTask 3056Rated by 22 occupational experts, August 2024
- Task 16. Troubleshoot equipment, electrical components, hydraulics, or other mechanical systems.Core taskTask 18788Rated by 22 occupational experts, August 2024
- Task 17. Dismantle machinery and equipment for shipment to installation site, performing installation and maintenance work as part of team.Core taskTask 3057Rated by 22 occupational experts, August 2024
- Task 18. Connect power unit to machines or steam piping to equipment, and test unit to evaluate its mechanical operation.Core taskTask 3043Rated by 22 occupational experts, August 2024
- Task 19. Position steel beams to support bedplates of machines and equipment, using blueprints and schematic drawings to determine work procedures.Core taskTask 3046Rated by 22 occupational experts, August 2024
- Task 20. Fabricate and dismantle parts, equipment, and machines, using a cutting torch or other cutting equipment.Core taskTask 18787Rated by 22 occupational experts, August 2024
- Task 21. Construct foundation for machines, using hand tools and building materials such as wood, cement, and steel.Core taskTask 3058Rated by 22 occupational experts, August 2024
- Task 22. Operate engine lathe to grind, file, and turn machine parts to dimensional specifications.Core taskTask 3060Rated by 22 occupational experts, August 2024
- Task 23. Install robot and modify its program, using teach pendant.Supplemental taskTask 3059Rated by 22 occupational experts, August 2024
Where this comes from
Quoted from the U.S. Department of Labor, and credited. Nothing on this page is written by us.
How we copy and credit sources- Published byO*NET 29.0, U.S. Department of LaborEmployment and Training Administration
- ClassificationStandard Occupational Classification 2018, 49-9044
- LicenseCC BY 4.0Free to copy and reuse, with credit
- Changed by usNothing.
More in Installation, Maintenance & Repair
51 other occupations in this family, each with its own page.
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