Diesel Technology
Degrees and Certificates
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Diesel Technology Certificate -
Diesel Technology Dual Enrollment Short-Term Certificate -
Diesel Technology Short-Term Certificate
Classes
DEM 100: Introduction to Applied Technologies
The course is designed to introduce the student to the basic concepts, terminology, and procedures associated with applied analytical skills needed to succeed in higher level courses to include: basic mathematical applications, use of scientific calculators, measurements, and geometric and triangulation methods. This course is also taught as AUM 100, ABR 100, WDT 100.
DEM 104: Basic Engines
This course is designed to give the student knowledge of the diesel engine components and auxiliary systems, the proper way to maintain them, and the proper procedures for testing and rebuilding components. Emphasis is placed on safety, theory of operation, inspection, and measuring and rebuilding diesel engines according to factory specifications. Upon completion, students should be able to measure, diagnose problems, and repair diesel engines.
DEM 105: Preventive Maintenance
This course provides instruction on how to plan, develop, and install equipment surveillance and
reliability strategies. Descriptions of various maintenance techniques for specialized preventive programs
are discussed and computerized parts and equipment inventories and fleet management systems software are
emphasized. Upon completion, students should be able to set up and follow a preventive maintenance schedule
as directed by manufacturers.
DEM 111: Equipment Safety / Mechanical Fundamentals
This course provides instruction in the fundamentals of vehicle operation and safety when basic
service work is to be performed in the shop. Topics include service manuals, mechanical fundamentals,
preventive maintenance and component adjustment. Upon completion, students should be able to demonstrate
knowledge of the fundamentals of vehicle operation and safety in the shop.
DEM 122: Heavy Vehicle Brakes
This course covers the theory and repair of braking systems used in medium and heavy-duty vehicles. Topics include hydraulic, and ABS system diagnosis and repair. Upon completion, students should be able to troubleshoot, adjust, and repair braking systems on medium and heavy vehicles.
DEM 123: Pneumatics and Hydraulics
This course provides instruction in the identification and repair of components found in hydraulic
and pneumatic systems. Topics include schematics and symbols used in fluid power transmission and the
troubleshooting of components in these systems. Upon completion, students should be able to diagnose,
adjust, and repair hydraulic and pneumatic system components.
DEM 124: Electronic Engine Systems
This course introduces the principles of electronically controlled diesel engines. Emphasis is placed on testing and adjusting diesel engines in accordance with manufacturers' specifications. Upon completion, students should be able to diagnose, test, and calibrate electronically controlled diesel engines.
DEM 125: Heavy Vehicle Drive Trains
This course introduces operational principles of mechanical medium and heavy-duty vehicle
transmissions. Topics include multiple counter shafts, power take offs, slider idler clutches, friction
clutches, mechanical transmission power components, and hydraulics. Upon completion, students should be able
to diagnose, inspect, and repair mechanical transmissions.
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. Upon completion, students should be able to diagnose,
service, and repair fuel systems and governors.
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 special drives through experiential learning techniques.
Upon completion, students should be able to diagnose, inspect, remove, repair or replace, and install heavy
vehicle drive train components.
DEM 129: Diesel Engine Lab
This lab allows the student to refine the skills required to repair diesel engines.
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 series, parallel, and series-parallel circuits. Troubleshooting and repair of wiring harnesses, starting motors, charging systems, and accessories are included, along with the computerized monitoring of vehicle systems. Upon completion, students should be able to identify components, test systems, and repair minor electrical problems according to manufacturers' literature.
DEM 134: Computer Controlled Engine and Power Train Systems
This course introduces the student to the fundamentals of operation of computer controlled engine
and power train systems.
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 troubleshoot, adjust, and repair suspension and steering
components, and perform front and rear wheel alignments on medium and heavy duty vehicles.
DEM 136: Trailer Electrical Systems
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 lighting circuits, which include series, parallel, and series-parallel circuits. Troubleshooting and repair of wiring harnesses, lights and electronic circuits on Trailers. Upon completion, students should be able to identify components, test systems, and repair electrical issues on trailers.
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 procedures, refrigerant leaks, and system repairs.
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 responsibilities meeting industry standards.
DEM 145: Electrical Schematics and Symbols
This course introduces the student to electrical symbols and schematics. It prepares the student to
utilize wiring diagrams and schematics to troubleshoot electrical problems. Upon completion students should
be able to understand electrical circuits by reading wiring diagrams.
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 have the skill and knowledge to safely operate a
commercial motor vehicle.
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.
DEM 180: Special Projects in Commercial Vehicles
This course provides specialized instruction in various areas related to the diesel mechanics
industry. Emphasis is placed on meeting students' needs.
DEM 181: Special Topics in Electrical
This course provides specialized instruction on various areas related to the electrical systems of
the diesel mechanics industry. Emphasis is placed on meeting student's needs.
DEM 184: Special Topics in Heavy Duty Brakes, Steering, and Suspension
This course provides specialized instruction in various areas related to heavy-duty brakes,
steering, and suspension systems in the diesel mechanics industry. Emphasis is placed on meeting students'
needs.
DEM 186: Special Projects in Commercial Vehicles
This course provides specialized instruction in various areas related to the diesel mechanics
industry. Emphasis is placed on meeting student's needs.
DEM 187: Industrial Safety
This course provides specialized instruction on the safety issues and requirements of the
Occupational Safety and Health Administration (OSHA) as related to the diesel mechanics industry. Emphasis
is placed on identifying and correcting potential safety issues relating to OSHA requirements as well as the
accompanying administration of the requirements.
DEM 191: Special Projects in Diesel Mechanics
This course provides information on current trends in diesel mechanics as they relate to employment
responsibilities. Topics may vary by term to reflect relevant training needs of the industry.
DEM 192: Co-Op Elective
This course allows the student to work parallel in a job closely related to the student's major
while attending college. The grade is based on the employer's evaluation of the student's productivity, an
evaluation work report submitted by the student, and the student's learning contract.
DEM 196A: Co-Op Elective
This course allows the student to work parallel in a job closely related to the student's major
while attending college. The grade is based on the employer's evaluation of the student's productivity, an
evaluation work report submitted by
the student, and the student's learning contract.
DEM 196B: Co-Op Elective
This course allows the student to work parallel in a job closely related to the student's major while attending college. The grade is based on the employer's evaluation of the student's productivity, an evaluation work report submitted by the student, and the student's learning contract.
DEM 196C : Co-Op Elective
This course allows the student to work parallel in a job closely related to the student's major while attending college. The grade is based on the employer's evaluation of the student's productivity, an evaluation work report submitted by the student, and the student's learning contract.
DEM 197: Co-Op Elective
This course allows the student to work parallel in a job closely related to the student's major
while attending college. The grade is based on the employer's evaluation of the student's productivity, an
evaluation work report submitted by the student, and the student's learning contract.