Perform work involving the skills of two or more maintenance or craft occupations to keep machines, mechanical equipment, or the structure of an establishment in repair. Duties may involve pipe fitting; boiler making; insulating; welding; machining; carpentry; repairing electrical or mechanical equipment; installing, aligning, and balancing new equipment; and repairing buildings, floors, or stairs.

• Airport Attendant
• Fire-Fighting-Equipment Specialist
• Installer, Electrical, Plumbing, Mechanical
• Maintenance Repairer, Building
• Maintenance Repairer, Industrial
• Marine-Services Technician
• Mechanical-Test Technician
• Mobile-Home-Lot Utility Worker

• Adjust functional parts of devices and control instruments, using hand tools, levels, plumb bobs, and straightedges.
• Align and balance new equipment after installation.
• Assemble, install or repair wiring, electrical and electronic components, pipe systems and plumbing, machinery, and equipment.
• Clean and lubricate shafts, bearings, gears, and other parts of machinery.
• Diagnose mechanical problems and determine how to correct them, checking blueprints, repair manuals, and parts catalogs as necessary.
• Dismantle devices to access and remove defective parts, using hoists, cranes, hand tools, and power tools.
• Estimate repair costs.
• Fabricate and repair counters, benches, partitions, or other wooden structures, such as sheds and outbuildings.
• Grind and reseat valves, using valve-grinding machines.
• Inspect drives, motors, and belts, check fluid levels, replace filters, or perform other maintenance actions, following checklists.
• Inspect used parts to determine changes in dimensional requirements, using rules, calipers, micrometers, and other measuring instruments.
• Inspect, operate, and test machinery and equipment to diagnose machine malfunctions.
• Lay brick to repair and maintain buildings, walls, arches and other structures.
• Maintain and repair specialized equipment and machinery found in cafeterias, laundries, hospitals, stores, offices, or factories.
• Operate cutting torches or welding equipment to cut or join metal parts.
• Order parts, supplies, and equipment from catalogs and suppliers, or obtain them from storerooms.
• Paint and repair roofs, windows, doors, floors, woodwork, plaster, drywall, and other parts of building structures.
• Perform routine preventive maintenance to ensure that machines continue to run smoothly, building systems operate efficiently, or the physical condition of buildings does not deteriorate.
• Plan and lay out repair work, using diagrams, drawings, blueprints, maintenance manuals, and schematic diagrams.
• Record type and cost of maintenance or repair work.
• Repair or replace defective equipment parts, using hand tools and power tools, and reassemble equipment.
• Set up and operate machine tools to repair or fabricate machine parts, jigs and fixtures, and tools.
• Use tools ranging from common hand and power tools, such as hammers, hoists, saws, drills, and wrenches, to precision measuring instruments and electrical and electronic testing devices.

• adhere to safety procedures
• adjust or set mechanical controls or components
• align or adjust clearances of mechanical components or parts
• apply cleaning solvents
• assemble and install pipe sections, fittings, or plumbing fixtures
• assemble, dismantle, or reassemble equipment or machinery
• bend tubing or conduit
• build or repair structures in construction, repair, or manufacturing setting
• burn (cut), trim, or scarf metal objects
• climb ladders, scaffolding, or utility or telephone poles
• conduct tests to locate mechanical system malfunction
• construct, erect, or repair wooden frameworks or structures
• control HVAC equipment
• coordinate production maintenance activities
• cut, bend, or thread pipe for gas, air, hydraulic, or water lines
• cut, shape, fit, or join wood or other construction materials
• determine installation, service, or repair needed
• diagnose mechanical problems in machinery or equipment
• erect scaffold
• estimate time or cost for installation, repair, or construction projects
• fabricate sheet metal parts or items
• fabricate, assemble, or disassemble manufactured products by hand
• follow safe waste disposal procedures
• identify properties of metals for repair or fabrication activities
• inspect machinery or equipment to determine adjustments or repairs needed
• install doors, wood floors, window frames, trim, or stairs
• install electrical fixtures or components
• install electronic equipment, components, or systems
• install equipment or attachments on machinery or related structures
• install industrial machinery or related heavy equipment
• install insulating materials
• install locks, hinges, or related finish hardware
• install or replace glass in windows, skylights, or other structural surfaces
• install or replace meters, regulators, or related measuring or control devices
• install shingles, tile, slate, asphalt, or related roofing materials
• install/connect electrical equipment to power circuit
• install/string electrical or electronic cable or wiring
• lay or install brick, block, stone, tile, or related masonry material
• lubricate machinery, equipment, or parts
• maintain or repair industrial or related equipment/machinery
• maintain or repair work tools or equipment
• maintain repair records
• maintain specialized manufacturing or commercial equipment or machinery
• maintain welding machines or equipment
• measure and mark reference points or cutting lines on workpieces
• move or fit heavy objects
• observe or listen to machinery or equipment operation to detect malfunctions
• operate crane in construction, manufacturing or repair setting
• operate hoist, winch, or hydraulic boom
• order or purchase supplies, materials, or equipment
• paint walls or other structural surfaces
• perform safety inspections in industrial, manufacturing or repair setting
• plan or organize work
• position, align, or level machines, equipment, or structures
• prepare building surfaces for paint, finishes, wallpaper, or adhesives
• pressure test piping system or equipment for leaks
• read blueprints
• read schematics
• read specifications
• read technical drawings
• read work order, instructions, formulas, or processing charts
• repair cracks, defects, or damage in installed building materials
• repair electronic components, equipment, or systems
• repair or adjust measuring or control devices
• repair or replace electrical wiring, circuits, fixtures, or equipment
• repair or replace gas, steam, sewer, or water piping or fixtures
• repair or replace locks, hinges, or related finish hardware
• repair or replace malfunctioning or worn mechanical components
• replace electronic components
• requisition stock, materials, supplies or equipment
• set up and operate variety of machine tools
• solder electrical or electronic connections or components
• test electrical/electronic wiring, equipment, systems or fixtures
• test mechanical products or equipment
• understand service or repair manuals
• understand technical operating, service or repair manuals
• use acetylene welding/cutting torch
• use arc welding equipment
• use basic carpentry techniques
• use basic plumbing techniques
• use building materials for routine building maintenance
• use combination welding procedures
• use control or regulating devices to adjust or maintain industrial machinery
• use electrical or electronic test devices or equipment
• use hand or power tools
• use hand or power woodworking tools
• use high voltage apparatus
• use knowledge of metric system
• use knowledge of ventilation systems
• use knowledge of welding filler rod types
• use machine tools in installation, maintenance, or repair
• use measuring devices in repairing industrial or heavy equipment
• use pipe fitting equipment
• use precision measuring devices in mechanical repair work
• use precision tools in electronics repair
• use pressure gauges
• use soldering equipment
• use tube bending equipment
• use voltmeter, ammeter, or ohmmeter
• verify levelness or verticality, using level or plumb bob
• weld together metal parts, components, or structures