Diesel (DSL) at Virginia Highlands Community College
Distance Learning
Time of Day
Term
- 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 121 - Diesel Engines I
- Studies the basic principles involved in the construction and operation of diesel engines. Examines fuel, air, cooling, and control system of various designs. Emphasizes engine overhaul and repair, including gauging proper measuring instruments and tools for these tasks. Part I of II.Lecture 2-3 hours. Laboratory 6 hours. Total 8-9 hours per week.
5-6 credits - DSL 122 - Diesel Engines II
- Studies the basic principles involved in the construction and operation of diesel engines. Examines fuel, air, cooling, and control system of various designs. Emphasizes engine overhaul and repair, including gauging proper measuring instruments and tools for these tasks. Part II of II.Lecture 2-3 hours. Laboratory 6 hours. Total 8-9 hours per week.
5-6 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 152 - Diesel Power Trains, Chassis, and Suspension
- Studies the chassis, suspension, steering and brake systems found on medium and heavy-duty diesel trucks. Covers construction features, operating principles and service procedures for such power train components as clutches, multi-speed transmissions, propeller shafts, and rear axles. Teaches operations of modern equipment to correct and adjust abnormalities.Lecture 2 hours. Laboratory 4 hours. Total 6 hours per week.
4 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 176 - Transportation Air Conditioning
- Studies fundamentals of transportation air conditioning. Includes repair, service, and troubleshooting of the refrigeration systems used in road vehicles and heavy equipment.Lecture 1 hour. Laboratory 2 hours. Total 3 hours per week.
2 credits - DSL 181 - Diesel Mechanics I
- Studies basic internal engines, including cylinder blocks, cylinder heads, crankshafts, and pistons. Studies fuel injection systems, fuel pumps, injectors and nozzles, preventive maintenance and troubleshooting. Part I of II.Lecture 4 hours. Laboratory 6 hours. Total 10 hours per week.
6 credits