Diesel Mechanic

Competency-based
ONET: 49-3031.00

1

Years

36

Skills
Classroom instruction topics
  • Shop Safety and Procedures
  • Basic Electrical Systems
  • Diesel Engine I
  • Diesel Engine Testing & Repair I
  • Preventative Maintenance
  • Fuel Systems
  • Basic Hydraulics
  • Diesel Engine II
  • Electronic Controls
  • Basic Brake Systems
  • Power Train I
  • Heating, Ventilation, and Air Conditioning Troubleshooting and Repair
  • Diesel Engine Testing and Repair II
  • Advanced Diesel Tune-up and Troubleshooting
  • Composition & Rhetoric I
  • Business and Professional Communication
  • Mathematics
  • Physical Activity Courses
  • Life & Physical Sciences
  • Creative Arts
  • Language, Philosophy, & Culture
  • Social/Behavioral Sciences
  • American History
  • Government
  • Program Capstone
On-the-job training
  • Inspect mechanical components of vehicles to identify problems.
    • Inspect brake systems, steering mechanisms, hoses, and other important parts to ensure that they are in proper operating condition.
    • Inspect, test, and listen to defective equipment to diagnose malfunctions, using test instruments such as handheld computers, motor analyzers, chassis charts, or pressure gauges.
    • Inspect and verify dimensions and clearances of parts to ensure conformance to factory specifications.
    • Inspect, repair, and maintain mechanical equipment and machinery, such as pumps and compressors.
  • Adjust vehicle components according to specifications.
    • Adjust or repair computer controlled exhaust emissions devices.
    • Repair or adjust seats, doors, or windows.
    • Adjust and reline brakes, align wheels, tighten bolts and screws, and reassemble equipment.
  • Adjust equipment to ensure optimal performance.
    • Examine and adjust protective guards, loose bolts, and specified safety devices.
  • Lubricate equipment to allow proper functioning.
    • Perform routine maintenance such as changing oil, checking batteries, and lubricating equipment and machinery.
  • Operate transportation equipment to demonstrate function or malfunction.
    • Test drive heavy equipment/construction to diagnose malfunctions or to ensure that they are working properly.
  • Service vehicles to maintain functionality.
    • Perform routine maintenance such as changing oil, checking batteries, and lubricating equipment and machinery.
  • Operate cranes, hoists, or other moving or lifting equipment.
    • Raiseheavy equipment, and heavy parts or equipment using hydraulic jacks or hoists.
  • Test mechanical equipment to ensure proper functioning.
    • Inspect, test, and listen to defective equipment to diagnose malfunctions, using test instruments such as handheld computers, motor analyzers, or pressure gauges.
    • Attach test instruments to equipment, and read dials and gauges to diagnose malfunctions.
  • Repair defective engines or engine components.
    • Specialize in repairing and maintaining parts of the engine, such as fuel injection systems.
    • Disassemble and overhaul internal combustion engines, pumps, generators, transmissions, clutches, and differential units.
    • Rebuild gas or diesel engines.
  • Measure distances or dimensions.
    • Inspect and verify dimensions and clearances of parts to ensure conformance to factory specifications.
  • Observe equipment in operation to detect potential problems.
    • Inspect, test, and listen to defective equipment to diagnose malfunctions, using test instruments such as handheld computers, motor analyzers, , or pressure gauges.
  • Rebuild parts or components.
    • Recondition and replace parts, pistons, bearings, gears, and valves.
  • Replace worn, damaged, or defective mechanical parts.
    • Recondition and replace parts, pistons, bearings, gears, and valves.
  • Rewire electrical or electronic systems.
    • Rewire start/charge system, lights, and instrument panels.
  • Repair non-engine automotive or vehicle components.
    • Diagnose and repair vehicle heating and cooling systems.
    • Install or repair accessories.
    • Repair or adjust seats, doors, or windows.
    • Inspect, repair, and maintain heavy equipment and mechanical equipment and machinery, such as pumps and compressors.
  • Service green vehicles to make repairs or maintain good working order.
    • Adjust or repair computer controlled exhaust emissions devices.
  • Install vehicle parts or accessories.
    • Install or repair accessories.
  • Dismantle heavy equipment or machinery.
    • Disassemble and overhaul internal combustion engines, pumps, generators, transmissions, clutches, and differential units.
  • Troubleshoot equipment or systems operation problems.
    • Diagnose and repair vehicle heating and cooling systems.
  • Grind parts to required dimensions.
    • Operate valve-grinding machines to grind and reset valves.
  • Hydraulic Components
    • Rebuild and test hydraulic cylinders
    • Rebuild and test hydraulic pumps and motors
  • Manufacturer Specific Training
    • Level 1 training
    • Level 2 training
    • Level 3 training
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