10070235Advanced Fuel Systems/Emissions
Course Information
Description
This course covers the theory of operation, construction and service of diesel engine fuel systems. Also reviewed are diesel engine compression, ignition, theory combustion, chamber design and procedures for installing, timing of fuel quantity for proper combustion. Electronic fuel delivery will be discussed as it relates to engine operation.
Total Credits
2
Course Competencies
  1. Demonstrate safe work habits while in a shop environment
    Assessment Strategies
    Skill demonstration in shop
    Criteria
    Wear steel-toed shoes, safety glasses, long sleeved top, uniform type pants or jeans
    Clothing is not loose or ripped
    Jewelry does not interfere with shop tasks
    Hair is tied back to prevent accident with moving equipment
    Clear shop area for safely raising and supporting vehicle or equipment
    Identify safety items and hazards

  2. Perform engine overhead adjustments
    Assessment Strategies
    Skill demonstration in shop, Written Product (work order) and/or Quiz
    Criteria
    Follow manufacturers’ procedures and specifications
    Select the tool that best corresponds with the task
    Record measurements and necessary techniques turned in via repair order
    Valve bridges (crossheads) are adjusted properly
    Valve clearances are adjusted properly
    Injector settings are adjusted properly

  3. Diagnose cause of air in fuel system
    Assessment Strategies
    Skill demonstration in shop, Written Product (work order) and/or Quiz
    Criteria
    Follow manufacturers’ procedures and specifications
    Locate the root cause of failure (location of air intrusion in system)
    Prime and bleed fuel system to remove air
    Determine repair strategy
    Repair is effective and engine runs on its own power

  4. Diagnose cause of electronic unit injector fuel systems failure
    Assessment Strategies
    Skill demonstration in shop, Written Product (work order) and/or Quiz
    Criteria
    Utilize factory manual to determine inspection criteria.
    Use Original Equipment Manufacturers (OEM) software for tests
    Follow manufacturers’ procedures and specifications
    Locate the root cause of failure (location of air intrusion in system)
    Prime and bleed fuel system to remove air
    Determine repair strategy
    Recalibrate engine control module if needed
    Repair is effective and engine runs on its own power

  5. Remove and install electronic unit injectors (EUI) and related components
    Assessment Strategies
    Skill demonstration in shop, Written Product (work order) and/or Quiz
    Criteria
    Utilize factory manual to determine inspection criteria
    Use proper service tools to perform removal and installation
    Use Original Equipment Manufacturers (OEM) software for injector calibration
    Recalibrate engine control module if needed

  6. Perform inspections and tests on high pressure common rail (HPCR) type fuel injection systems
    Assessment Strategies
    Skill demonstration in shop, Written Product (work order) and/or Quiz
    Criteria
    Depressurize the system for service according manufacturers’ procedures and specifications
    Select the tool that best corresponds with the task
    Inspect high pressure injection lines, hold downs, fittings and seals; determine needed action
    Utilize factory manual to determine inspection criteria
    Follow manufacturers’ procedures and specifications
    Determine needed action
    Perform repair (if needed)

  7. Describe local, state and federal regulations governing diesel fueled engine emission certifications for off-highway applications
    Assessment Strategies
    Quiz
    Criteria
    Identify local, state and federal regulations
    Define terms and concepts conveyed in local, state and federal regulations
    Examine emission limits as stated in the Wisconsin State Legislature administrative code

  8. Describe operating principals of various emission functions on diesel fueled engines
    Assessment Strategies
    Quiz, Written Product
    Criteria
    Analyze data from the OEM software
    Use results of OEM to determine next steps
    Verify engine functions to control exhaust emissions
    Analyze the engine operating conditions and byproducts of combustion

  9. Analyze the engine and aftertreatment components to determine their reusability
    Assessment Strategies
    Skill demonstration in shop
    Criteria
    Determine the condition and needed repair of the engine and aftertreatment components
    Repair the engine and aftertreatment components back to OEM specifications

  10. Interpret OEM display (such as check engine light)
    Assessment Strategies
    Quiz, Presentation
    Criteria
    Explain the process of engine derate
    Identify the level of severity of engine derate
    Describe the impact of continued use of the engine by the operator

  11. Diagnose diesel engine emission system complaints
    Assessment Strategies
    Skill demonstration in shop
    Criteria
    Verify customer complaint
    Determine which OEM service software will be used
    Connect software to the equipment
    Monitor and test the engine and emission control system
    Calibrate diesel engine emission system components if needed
    Gather data from OEM service software and diagnostic test equipment
    Use tech manual if needed
    Analyze your data and determine needed repairs of the engine and emission control system