Diesel (DSL) at Dabney S. Lancaster Community College


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DSL 111 - Introduction to Diesel Engine
Studies the modern diesel engine, including its fuel, cooling, induction, and exhaust systems. Covers construction, fabrication, maintenance, tune-up, and minor repair and adjustment.
Lecture 1 hour. Laboratory 2 hours. Total 3 hours per week.
2 credits
DSL 131 - Diesel Fuel Systems and Tune-Up
Teaches maintenance, adjustment, testing, and general repair of the typical fuel injection components used on non- automotive diesel engines. Includes engine and fuel system tune-up procedures and troubleshooting using current diagnostic equipment.
Lecture 2-3 hours. Laboratory 4-6 hours. Total 6-9 hours per week.
4-5 credits
DSL 141 - Transportation Electrical Systems I
Studies basic operational theory of electrical systems used in public transportation vehicles. Covers electrical symbols, schematics, troubleshooting procedures, as well as the function, construction, and operation of the electrical system and its components. Part I of II.
Lecture 2 hours per week.
2 credits
DSL 143 - Diesel Truck Electrical Systems
Studies the theory and operation of various truck and tractor electrical systems. Covers preheating, starting, generating, and lighting systems. Uses modern test equipment for measurement, adjustment, and troubleshooting.
Lecture 2 hours per week. Laboratory 4 hours. Total 6 hours per week.
4 credits
DSL 153 - Power Trains I
Focuses on manual, hydrostatic, and heavy-duty automatic transmissions. Examines various types of power trains and their components, such as multidisc clutch, multi-speed transmissions, torques, drive lines, and differentials. Includes disassembly and assembly of various components. Part I of II.
Lecture 2 hours. Laboratory 2 hours. Total 4 hours per week.
3 credits
DSL 154 - Power Trains II
Focuses on manual, hydrostatic, and heavy-duty automatic transmissions. Examines various types of power trains and their components, such as multidisc clutch, multi-speed transmissions, torques, drive lines, and differentials. Includes disassembly and assembly of various components. Part II of II.
Lecture 2 hours. Laboratory 2 hours. Total 4 hours per week.
3 credits
DSL 160 - Air Brake Systems
Studies the basic operational theory of pneumatic and air brake systems as used in heavy-duty and public transportation vehicles. Covers various air control valves, test system components, and advanced air system schematics. Teaches proper service and preventative maintenance of systems.
Lecture 2 hours. Laboratory 2 hours. Total 4 hours per week.
3 credits
DSL 190 - Coordinated Internship
Supervises on-the-job training in selected business, industrial or service firms coordinated by the college.
Credit/practice ratio not to exceed 1:5 hours. May be repeated for credit. Variable hours.
1-5 credits