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Maintenance Workers, Machinery - 49-9043.00

O*NET-SOC Description

Lubricate machinery, change parts, or perform other routine machinery maintenance.

Sample of Reported Job Titles

  • Maintenance Technician
  • Mechanic
  • Maintenance Mechanic
  • Machine Repairer
  • Maintainer
  • Maintenance Worker
  • Industrial Maintenance Millwright
  • Oiler
  • Maintenance Electrician
  • Maintenance Machinist

SOC Occupation Groups

Related Occupations


  • Clean machines and machine parts, using cleaning solvents, cloths, air guns, hoses, vacuums, or other equipment.
  • Collaborate with other workers to repair or move machines, machine parts, or equipment.
  • Collect and discard worn machine parts and other refuse to maintain machinery and work areas.
  • Dismantle machines and remove parts for repair, using hand tools, chain falls, jacks, cranes, or hoists.
  • Inspect or test damaged machine parts, and mark defective areas or advise supervisors of repair needs.
  • Install, replace, or change machine parts and attachments, according to production specifications.
  • Inventory and requisition machine parts, equipment, and other supplies so that stock can be maintained and replenished.
  • Lubricate or apply adhesives or other materials to machines, machine parts, or other equipment, according to specified procedures.
  • Measure, mix, prepare, and test chemical solutions used to clean or repair machinery and equipment.
  • Read work orders and specifications to determine machines and equipment requiring repair or maintenance.
  • Reassemble machines after the completion of repair or maintenance work.
  • Record production, repair, and machine maintenance information.
  • Remove hardened material from machines or machine parts, using abrasives, power and hand tools, jackhammers, sledgehammers, or other equipment.
  • Replace or repair metal, wood, leather, glass, or other lining in machines, or in equipment compartments or containers.
  • Replace, empty, or replenish machine and equipment containers such as gas tanks or boxes.
  • Set up and operate machines, and adjust controls to regulate operations.
  • Start machines and observe mechanical operation to determine efficiency and to detect problems.
  • Transport machine parts, tools, equipment, and other material between work areas and storage, using cranes, hoists, or dollies.

Detailed Work Activities

  • Adjust equipment to ensure optimal performance.
  • Clean equipment, parts, or tools to repair or maintain them in good working order.
  • Clean work areas.
  • Communicate with coworkers to coordinate installations or repairs.
  • Confer with coworkers to resolve equipment problems.
  • Disassemble equipment for maintenance or repair.
  • Inspect mechanical equipment to locate damage, defects, or wear.
  • Install machine or equipment replacement parts.
  • Lubricate equipment to allow proper functioning.
  • Maintain inventories of materials, equipment, or products.
  • Maintain repair or maintenance records.
  • Observe equipment in operation to detect potential problems.
  • Operate cranes, hoists, or other moving or lifting equipment.
  • Order materials, supplies, or equipment.
  • Prepare compounds or solutions to be used for repairs.
  • Read work orders or descriptions of problems to determine repairs or modifications needed.
  • Reassemble equipment after repair.
  • Repair worn, damaged, or defective mechanical parts.
  • Replace worn, damaged, or defective mechanical parts.
  • Test fluids to identify contamination or other problems.
  • Test mechanical equipment to ensure proper functioning.

Military Crosswalk Titles

  • Able Seaman (Navy - Enlisted)
  • Armament Weapons Support Equipment Technician (Navy - Enlisted)
  • Arresting Gear Technician (Navy - Enlisted)
  • Aviation Boatswain's Mate, Launching and Recovery Equipment (Navy - Enlisted)
  • Aviation Fuels Shore Base Operations Technician (Navy - Enlisted)
  • Catapult Technician (Navy - Enlisted)
  • CWO - Ordnance, Aviation (Navy - Warrant Officer only)
  • LDO - Ordnance, Aviation (Navy - Commissioned Officer only)
  • Strategic Weapons Technician (Navy - Enlisted)

Apprenticeship Crosswalk Titles

  • Pinsetter Mechanic, Automatic

DOT Crosswalk Titles

  • Binder and Box Builder
  • Carbon Setter
  • Card Changer, Jacquard Loom
  • Card Grinder Helper
  • Curing-Press Maintainer
  • Equipment Cleaner-and-Tester
  • Flyer Repairer
  • Frame Bander
  • Frame Changer
  • Greaser
  • Knife Changer
  • Knife Setter
  • Knife Setter, Grinder Machine
  • Leaf Coverer
  • Lease-Out Worker
  • Liner Replacer
  • Loading-Shovel Oiler
  • Mash-Filter-Cloth Changer
  • Missile Facilities Repairer
  • Nozzle-and-Sleeve Worker
  • Oiler
  • Overhead Cleaner Maintainer
  • Pattern Assembler
  • Pinsetter Mechanic, Automatic
  • Pipe Changer
  • Polishing-Wheel Setter
  • Pot Liner
  • Printing-Roller Handler
  • Production Technician, Semiconductor Processing Equipment
  • Pulley Maintainer
  • Roller Checker
  • Shuttler
  • Spindle Repairer
  • Stripping-Shovel Oiler
  • Switch Repairer
  • Texturing-Machine Fixer
  • Utility Worker, Merchant Mill
  • Warp-Tension Tester