Dec 26, 2024  
2024-2025 Course Catalog 
    
2024-2025 Course Catalog
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DSL 438 - Diesel Fuel Systems

Credits: 5
Lecture Hours: 1
Lab Hours: 8
Practicum Hours: 0
Work Experience: 0
Course Type: Voc/Tech
The student will be introduced to basic fuel system principles, operational theory and fundamentals of electronic systems of commonly used fuel systems, as well as general repair and diagnostic procedures with exposure to several electronically controlled engines and their diagnostic tools.
Prerequisite: DSL 366  
Competencies
  1. Explain the basic principles involved in a diesel fuel system.
    1. List the five operations any fuel system must perform.
    2. Explain the combustion cycle in a diesel engine.
    3. Compare the characteristics of diesel fuel.
    4. Describe the difference between cetane and octane.
    5. Compare the different fuel subsystems.
    6. Test transfer pump inlet restriction.
    7. Test transfer pump pressure.
  2. Investigate the fundamentals of the injection nozzle.
    1. Identify the components of a nozzle.
    2. Inspect the parts of a nozzle.
    3. Describe the fuel flow of a nozzle.
    4. Explain the operation of a nozzle.
    5. Text a nozzle.
  3. Examine the principals of diesel engine controls.
    1. Explain the basic operation of mechanical governor.
    2. Identify the adjustments of mechanical governor.
    3. Explain the operation of a ECM.
    4. Interpret the parameters of the ECM.
    5. Describe the inputs, outputs, and processing of the ECM.
  4. Investigate the fundamentals of Detroit Diesel fuel system.
    1. Identify the components of a Detroit unit injector.
    2. Explain the operation of a Detroit unit injector.
    3. Identify the components of a DDEC fuel system.
    4. Describe the fuel flow of a DDEC fuel system.
    5. Examine the status of the DDED fuel system.
    6. Describe calibration codes for a DDEC injector.
    7. Inspect the parameters of the DDEC fuel systems.
    8. Describe the fuel flow of a detroit fuel amplified common rail system.
  5. Analyze the fundamentals of Caterpillar fuel system.
    1. Identify the components of a new scroll pump.
    2. Describe the fuel flow of a new scroll pump.
    3. Identify the components of a PE EC fuel system.
    4. Identify the components of a MAUI fuel system.
    5. Describe the fuel flow of a EMU fuel system.
    6. Identify the components of a HEUI fuel system.
    7. Describe the fuel flow of a HEUI fuel system.
    8. Describe the E-Trim codes for a MEUI injector.
    9. Inspect the parameters of the ADEM electronic system.
    10. Describe the fuel flow of a Caterpillar common rail system.
  6. Examine the fundamentals of Cummins flue system.
    1. Identify the components of a PT fuel system.
    2. Describe the fuel flow of a PT fuel system.
    3. Identify the components of a Cummins CELECT Plus fuel system.
    4. Describe the fuel flow of a Cummins CELECT Plus fuel system.
    5. Identify the components of a Cummins CAPS fuel system.
    6. Describe the fuel flow of a Cummins CAPS fuel system.
    7. Identify the components of a Cummins HPI-TP fuel system.
    8. Describe the fuel flow of a Cummins HPI-TP fuel system.
    9. Inspect the parameters of the Cummins electronic system.
    10. Describe the fuel flow of a Cummins common rail fuel system.
  7. Explore the principles of the Bosch and Delphi fuel system.
    1. Identify the components of a Bosch injection pump.
    2. Describe the fuel flow of a Bosch injection pump.
    3. Identify the components of a Bosch EUP fuel system.
    4. Describe the fuel flow of a Bosch EUP fuel system.
    5. Identify the components of a Delphi EUI fuel system.
    6. Describe the fuel flow of a Delphi EUI fuel system.
    7. Describe the calibration codes for a Delphi EUI injector.
    8. Describe the fuel flow of a Bosch common rail system.
  8. Explore the fundamentals of diesel exhaust emissions.
    1. Identify noxious exhaust gases.
    2. Describe a diesel exhaust gas recirculation system.
    3. Explain the operation of a diesel particulate filter.
    4. Classify the different types of diesel particulate filter regeneration.
    5. Understand the use of selective catalytic reduction.



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