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DEM 127: Fuel Systems

This course is designed to provide practice in troubleshooting, fault code diagnosis, information retrieval, calibration, repair and replacement of fuel injectors, nozzles, and pumps. Emphasis is placed on test equipment, component functions, and theory...

DEM 128: Heavy Vehicle Drive Train Lab

This lab provides reinforcement of material covered in DEM 116 or DEM 125.  The students will apply the knowledge they learned on driveshafts, power take-offs, standard transmissions, fluid drives, torque converters, clutch assemblies, drive axles, and...

DEM 130: Electrical/Electronic Fundamentals

This course introduces the student to basic Electrical / Electronic concepts and fundamentals.  It provides the principles of electricity, magnetism, and Ohm’s Law.  Emphasis is placed on batteries, starting, charging, and lighting circuits, which include...

DEM 135: Heavy Vehicle Steering and Suspension Systems

This course introduces the theory and principles of medium and heavy duty steering and suspension systems. Topics include wheel and tire problems, frame members, fifth wheel, bearings, and coupling systems. Upon completion, students should be able to...

DEM 137: Heating, Air Conditioning, and Refrigeration Systems

This course provides instruction in fundamentals, diagnosis, and repair of cab and cargo heating and refrigeration systems. Topics include operation theory, safety, maintenance, recycling and recovery procedures, recharging procedures, troubleshooting...

DEM 139: Diesel Emissions and Aftertreatment Systems

This course provides information on the repairs and current trends in diesel engine emission standards, the diagnosis of these products, and the repair of diesel emission systems as they relate to the exhaust and after-treatment, as well as the employment...

DEM 154: Vehicle Maintenance & Safe Operating Practices

This course provides instruction in basic entry level driving skills relating to the maintenance and safe operation of a commercial motor vehicle. Topics include preventive maintenance and safe vehicle operations. Upon successful completion, students will...

DEM 156: CDL License Test Preparation

This is a course designed to prepare students for the Alabama Commercial Driver's License written examination. The course includes a review of major topics, sample tests, as well as basic CDL information and test-taking procedures.