Diesel Preventative Maintenance Technology Certificate

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  • Course description
    The Diesel Preventative Maintenance Technician program prepares students to enter the workforce ready to perform routine repair procedures, preventive maintenance, and safety applications.

    Typical employers of the Diesel Preventative Maintenance Technician are truck, farm, and earth-moving equipment dealerships; trucking, power generation, and construction companies; truck service centers; engine repair/machine shops; truck equipment distributors; independent service garages.

    Course No.      Course Title                                                                      Credits
    DTT 141         Introduction to Truck/Trailer Service Field                         4
                            This course covers information on hand tools, machines and equipment common to the truck field, general service procedures, lubricants, reference manuals, pre-delivery inspection of new and used trucks/trailers, and preventive maintenance procedures.

    DTT 142         Air Brake Systems                                                                 4
                            This course covers information on air brake systems. Mechanical foundation and air supply and service system principles, major components, parking brake systems, brake system diagnostics, service to drum brake assemblies, air lines and hoses, brake switches, antilock brake principles and service are all a part of this course.  High priority tasks recommended by ASE (Automotive Service Excellence) are covered.  This will prepare students to take the ASE technician certification test in Brakes.
    DTT 143         Steering & Suspension                                                            4
                            This course covers information on steering and suspension systems, theory and principles, independent suspensions, geometric principles, factors affecting wheel alignment, tools and equipment used for steering and suspension, troubleshooting of suspension and steering, wheel bearings service, manual steering, and power steering systems operation.

    DTT 144         Electrical & Electronic Systems                                            4
                            This course covers information on electricity, basic electricity circuits, tools and equipment, batteries, charging systems, starting systems, lighting systems, horn, wiper and washers, cooling fan and instrument circuits, and body electrical system.

    DTT 145         Diesel Fuel Injection Systems                                                 4
                            This course covers information on the theory and operation of the different types of diesel fuel injection pumps, nozzles and injectors, including current electronic fuel injectors.  In-depth study of fuel system preventive maintenance, troubleshooting diagnostics, injection pump timing and installation procedures, and replacement methods for injectors and nozzles are taught.

    DTT 146         Diesel Engine Overhaul                                                          4
                            Diesel engine principles of operation on four- and two-stroke engines are covered.  Component identification, measurement and replacement, along with complete tear down and overhaul procedures are covered in this course.  This will prepare students to take the ASE technician certification test in Diesel Engines.

    DTT 241         Diesel Engine Performance and
                            Tune-up Procedures                                                               4
                            This course covers information and practical experience on the operation and approved servicing, troubleshooting, and tune-up procedures on several different current models of diesel engines.

    DTT 242         Manual Transmission Overhaul                                            4
                            This course covers the information and service experience in truck manual transmissions. New learning experiences include inspection, replacement, servicing and rebuilding of manual transmissions and power take-off systems. High priority tasks recommended by ASE are covered.

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