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Helpers--Installation, Maintenance, and Repair Workers - 49-9098.00

O*NET-SOC Description

Help installation, maintenance, and repair workers in maintenance, parts replacement, and repair of vehicles, industrial machinery, and electrical and electronic equipment. Perform duties such as furnishing tools, materials, and supplies to other workers; cleaning work area, machines, and tools; and holding materials or tools for other workers.

Sample of Reported Job Titles

  • Maintenance Technician
  • Maintenance Mechanic
  • Building Equipment Operator (BEO)
  • Helper
  • Maintenance Helper
  • Trades Helper
  • General Maintenance Mechanic
  • Well Tender
  • Facilities Maintenance Technician
  • Mechanic Helper

SOC Occupation Groups

Related Occupations


  • Adjust, connect, or disconnect wiring, piping, tubing, and other parts, using hand or power tools.
  • Adjust, maintain, and repair tools, equipment, and machines, and assist more skilled workers with similar tasks.
  • Apply protective materials to equipment, components, and parts to prevent defects and corrosion.
  • Assemble and maintain physical structures, using hand or power tools.
  • Clean or lubricate vehicles, machinery, equipment, instruments, tools, work areas, and other objects, using hand tools, power tools, and cleaning equipment.
  • Design, weld, and fabricate parts, using blueprints or other mechanical plans.
  • Diagnose electrical problems and install and rewire electrical components.
  • Disassemble broken or defective equipment to facilitate repair and reassemble equipment when repairs are complete.
  • Examine and test machinery, equipment, components, and parts for defects to ensure proper functioning.
  • Hold or supply tools, parts, equipment, and supplies for other workers.
  • Install or replace machinery, equipment, and new or replacement parts and instruments, using hand or power tools.
  • Order new parts to maintain inventory.
  • Position vehicles, machinery, equipment, physical structures, and other objects for assembly or installation, using hand tools, power tools, and moving equipment.
  • Prepare work stations for use by mechanics and repairers.
  • Tend and observe equipment and machinery to verify efficient and safe operation.
  • Transfer tools, parts, equipment, and supplies to and from work stations and other areas.

Detailed Work Activities

  • Adjust equipment to ensure optimal performance.
  • Apply protective coverings to objects or surfaces near work areas.
  • Assemble structural components.
  • Clean equipment, parts, or tools to repair or maintain them in good working order.
  • Clean work areas.
  • Connect electrical components or equipment.
  • Connect hoses to equipment or piping.
  • Disassemble equipment for maintenance or repair.
  • Fabricate parts or components.
  • Inspect electrical or electronic systems for defects.
  • Inspect mechanical equipment to locate damage, defects, or wear.
  • Install machine or equipment replacement parts.
  • Lubricate equipment to allow proper functioning.
  • Maintain work equipment or machinery.
  • Move materials, equipment, or supplies.
  • Observe equipment in operation to detect potential problems.
  • Operate welding equipment.
  • Order materials, supplies, or equipment.
  • Position equipment using hand tools, power tools, or heavy equipment.
  • Reassemble equipment after repair.
  • Repair electrical components.
  • Test mechanical equipment to ensure proper functioning.

Military Crosswalk Titles

  • Cannon Crewmember (Army - Enlisted)
  • Field Artillery (FA) Firefinder Radar Operator (Army - Enlisted)
  • Fire Controlman (Navy - Enlisted)
  • Gunner's Mate (Navy - Enlisted)

Apprenticeship Crosswalk Titles

  • Facilities Locator
  • Service Planner (Light, Heat)
  • Service Planner (Light; Heat)

DOT Crosswalk Titles

  • Air-Conditioning Installer-Servicer Helper, Window Unit
  • Airframe-and-Power-Plant-Mechanic Helper
  • Armature-Winder Helper, Repair
  • Automobile-Body-Repairer Helper
  • Automobile-Mechanic Helper
  • Cable-Splicer Helper
  • Car-Repairer Helper
  • Construction-Equipment-Mechanic Helper
  • Diesel-Mechanic Helper
  • Elevator-Constructor Helper
  • Elevator-Repairer Helper
  • Facilities Locator
  • Fire-Equipment-Inspector Helper
  • Furnace-Installer-and-Repairer Helper, Hot Air
  • Gas-Appliance-Servicer Helper
  • Gas-Meter-Installer Helper
  • Gas-Regulator-Repairer Helper
  • Heating-and-Air-Conditioning Installer-Servicer Helper
  • Hydroelectric-Machinery-Mechanic Helper
  • Industrial-Gas-Servicer Helper
  • Instrument-Repairer Helper
  • Instrument-Technician Helper
  • Laboratory Helper
  • Machinist Helper, Outside
  • Maintenance Mechanic Helper
  • Maintenance-Mechanic Helper
  • Maintenance-Repairer Helper, Industrial
  • Meter-Repairer Helper
  • Millwright Helper
  • Motorboat-Mechanic Helper
  • Oil-Burner-Servicer-and-Installer Helper
  • Ordnance-Artificer Helper
  • Overhauler Helper
  • Pinsetter-Mechanic Helper
  • Powerhouse-Mechanic Helper
  • Pump-Servicer Helper
  • Refrigeration-Mechanic Helper
  • Repairer Helper
  • Rigger Helper
  • Salvager Helper
  • Service Planner
  • Service-Mechanic Helper, Compressed-Gas Equipment
  • Sewing-Machine-Repairer Helper
  • Signal Maintainer Helper
  • Solar-Energy-System-Installer Helper
  • Spray-Gun-Repairer Helper
  • Street-Light-Repairer Helper
  • Street-Light-Servicer Helper
  • Streetcar-Repairer Helper
  • Tractor-Mechanic Helper