Introduction to the practical application of basic mechanical operations and procedures, with an emphasis on component nomenclature, correct service, maintenance, and safety procedures. 4 Credits (0 Lecture - 12 Lab) Corequisite(s): DSM154.
Introduction to Hydraulics
Introduction to mobile hydraulic principles and systems. Study includes flow, pressure, and multiplication of force and velocity of a liquid within a confined state. Hydraulic schematics are used. 1 Credit (1 Lecture) Prerequisite(s): Placement by Examination or MTH004.
Basic introduction to the theory and operation of mechanical and electronic fuel injection systems as they apply to the heavy-duty diesel engine field, with a focus on operation, maintenance, troubleshooting and repair, and safety. 2 Credits (2 Lecture)
Introduction to the basic principles of electricity, electrical safety, multimeters, Ohm's Law, magnetism, electrical terminology, operating procedures of analog and digital instruments, schematic reading, chemical and mechanical generation of electricity, starting circuits, charging circuits, voltage regulators, switches, solenoids, electrical control devices. Circuit analysis of parallel, series, and series-parallel networks. Emphasis on diagnosing and locating electrical malfunctions located in a circuit. 4 Credits (2 Lecture - 6 Lab) Prerequisite(s): Placement by Examination or MTH005.
Foundation of hydraulic principles and system operation. Topics studied include the principles of flow and pressure within a mobile hydraulic system, how force is multiplied, the importance of velocity within a conductor, flow requirements within a hydraulic system, and the application of conductors within a system. Introduction to the various accessories used in mobile hydraulics, including accumulators, filters, maintenance procedures, coolers, and reservoir types as well as the operation of gear and vane pumps. Safety instructions involving working around hydraulic equipment are covered. 3 Credits (2 Lecture - 3 Lab) Corequisite(s): MTH124 or MTH180.
Study of the operation, disassembly, evaluation, assembly and various setup procedures and their application to piston pumps. Course work includes learning to disassemble, explain the operation, evaluate failures, assemble, and perform the various setup procedures on hydraulic valves. Topics include the various systems on hydraulic equipment and how to read a schematic. Hands-on practice also includes disassembling, evaluating, learning the various seals of, and performing the proper reassembly procedures for hydraulic cylinders. 4 Credits (2 Lecture - 6 Lab) Prerequisite(s): DSM121.
Truck Tractor Chassis and Alignment
Study of suspension, frame and steering components, including the alignment, maintenance and preventative maintenance of these systems and their components. 3 Credits (1 Lecture - 6 Lab) Corequisite(s): DSM141 and DSM142 and DSM146.
Heavy Duty Brake Systems
Explanation and theory of brake systems common to heavy duty vehicles and equipment. Selected topics include air, hydraulic, and anti-lock systems with emphasis on troubleshooting and practical applications of repair and maintenance. 2 Credits (2 Lecture) Corequisite(s): DSM142 or DSM155.
Powertrain and Brake Systems Lab
Hands-on applications of heavy vehicle power train and brake system components. Overhaul, adjustment, and repair procedures of heavy transmissions, drive lines, differentials, clutches, and final drives. Troubleshooting and repair of hydraulic and pneumatic brake systems and other instructor-selected topics. 4 Credits (0 Lecture - 12 Lab) Corequisite(s): DSM141.
Commercial Truck Power Train and State Inspection
Introduction to the theory of operations, maintenance, troubleshooting, and overhaul of commercial vehicle power trains. Topics to include clutches, manual and automatic transmissions, drive line and universal joint design, single and tandem drive systems, Pennsylvania State Inspection theory and practical procedures. 3 Credits (3 Lecture) Corequisite(s): DSM140 and DSM141 and DSM142.
Electric Power Generation Internship
Specialized work experience to be performed in a participating dealership, applying knowledge and skills developed during the first year of Electric Power Generation instruction. Conducted in accordance with industry standards. 2 Credits (0 Lecture - 10 Internship) Prerequisite(s): CSC124 and DSM119 and DSM154 and ELT111 and ELT113 and ELT122 and MTH180.
Specialized work experience to be performed in a participating business, applying knowledge and skills developed during the first year of heavy equipment instruction. The course will be conducted in accordance with the guidelines established by industry standards. (Formerly DSM 150) 2 Credits (0 Lecture - 10 Internship) Prerequisite(s): CSC124 and DSM116 and DSM120 and DSM154 and DSM160.
Diesel Engine Technology
Introduction to the theory of diesel engine operation, mechanical functions, component terminology, and manufacturers' engine nomenclature. Focus on basic engine overhaul procedures necessary to service and repair diesel engines. Additional discussion includes precision measuring, shop safety, proper tool identification and usage as well as fastener identification. (Formerly DSM115) 5 Credits (5 Lecture) Corequisite(s): DSM116.
Powertrain and Brake Systems Lab
Practical application of heavy vehicle and construction equipment powertrain and brake system components. Overhaul, component identification, adjustment, and repair procedures of heavy transmissions, drivelines, differentials, clutches, undercarriages, final drives, and bearings. Troubleshooting and repair of hydraulic and pneumatic brake systems and other instructor-selected topics. 4 Credits (0 Lecture - 12 Lab) Corequisite(s): DSM160.
Fundamentals of Powertrain Technology
Introduction to the operation and theory of heavy-duty vehicle power train, including transmissions, clutches, drive shafts, differential carriers, axles, tracks, undercarriages, clutch-type steering systems, and final drives. Principles of torque multiplication and bearing adjustment are included, along with shop safety and selecting the correct tooling. 4 Credits (4 Lecture) Corequisite(s): DSM141 and DSM142 or DSM141 and DSM155.
Study of troubleshooting hydraulic systems, hydrostatic transmissions and hydraulic-assist transmissions. The course deals heavily in the use of test equipment and schematic reading. Emphasis on the operation, control, and repair of the hydrostatic transmission. The control portion emphasizes mechanical, hydraulic-over-hydraulic, and electric-over-hydraulic controls. Torque converter and retarder operation is included within the hydraulic-assist transmission portion. 6 Credits (3 Lecture - 9 Lab) Prerequisite(s): DSM122.
Diesel Equipment Air Conditioning Systems
Introduction to basic heating and air conditioning systems with an emphasis on systems common to construction equipment and over-the-road trucks. Topics to be covered include basic heating systems, refrigeration principles, component identification, component function, refrigerants, environmental concerns, system testing, diagnosis, and repair. 2 Credits (1 Lecture - 3 Lab) Prerequisite(s): DSM120.
Introduction to the theory of operation, preventative maintenance, diagnostics, and overhaul of Allison World Transmissions. Topics include torque converters, planetary gears and power flows, hydraulic components, internal fluid management systems, internal and external electronic control and interface systems, and basic electricity as applied to the World Transmission. 3 Credits (2 Lecture - 3 Lab) Prerequisite(s): DSM142 and DSM146.
Vehicle Electronics/Diagnostic Procedures
Introduction to the troubleshooting and repair of electronic fuel injection systems used by the major manufacturers of on-highway, heavy-duty diesel engines and the major truck manufacturers that utilize these engines. Topics include troubleshooting and repair, laptop computers and diagnostic readers, wiring circuitry and connections, wiring schematics, electronic component testing, maintenance, and adjustments and tune-ups. 3 Credits (1 Lecture - 6 Lab) Prerequisite(s): DSM116 and DSM119 and DSM120 and DSM154 and DSM289. Spring Only.
Truck and Trailer Refrigeration Systems
Study of the operation, maintenance, repair and troubleshooting of highway vehicle refrigeration systems. Topics include compressors, expansion valves, three-way valves, condensers, evaporators, and control systems. 4 Credits (2 Lecture - 6 Lab) Prerequisite(s): DSM116 and DSM120 and DSM154. Spring Only.
Heavy Equipment Electronic Systems
Introduction to heavy-duty electronic systems operation as applied in the heavy equipment/truck industry. Focus on electronic fuel systems operation, electronic system operations, integrated electronic systems operation, sensor types and functions, system analysis using Digital Multimeter (DMM) special tooling, PCs, service publications, and schematics. 3 Credits (2 Lecture - 3 Lab) Prerequisite(s): DSM119 and DSM120. Spring Only.
Automated and Hybrid Drive Systems
Theory of operation, diagnostics, and maintenance procedures on automated mechanical transmissions and hybrid drive systems used in the commercial trucking industry. Theories covered are relevant to products currently available from leading manufacturers in the industry. 2 Credits (2 Lecture) Prerequisite(s): DSM142 and DSM146.
Gaseous Fueled Engines Operation, Applications, and Troubleshooting
Study of safety procedures, terminology common to the industry, the origin of natural gas, available alternative fuels, the differences between diesel and natural gas engines, components in a gaseous fueled engine, the calculation of air and horsepower requirements for various types of natural gas, preventative maintenance, emissions systems, and major regulations affecting the industry. Course work builds on prior knowledge of basic fuels systems, diesel engine theory, assembly and disassembly, and basic direct current fundamentals. (Formerly DSM249) 2 Credits (1 Lecture - 3 Lab) Prerequisite(s): DSM116 and DSM119 and DSM120 and DSM154 or DSM116 and DSM119 and DSM154 and ELT111.
Introduction to CAT Vehicles
Introduction to the operation of most commonly used Caterpillar (CAT) earthmoving equipment. Safety, inspection checklist, start-up procedures, and proper operation techniques are explored. Service access and connection areas are identified along with lifting, support, and towing locations. 1 Credit (1 Lecture) Corequisite(s): DSM285 or DSM287.
CAT Vehicles Laboratory
Introduction to the operation of most commonly used Caterpillar (CAT) earth moving equipment. Safety, inspection checklist, start-up procedures, and proper operation techniques are explored. Service access and connection areas are identified along with lifting, support, and towing locations. 1 Credit (0 Lecture - 3 Lab) Corequisite(s): DSM284.
CAT Vehicle Machine Electronics and Diagnostic Procedures
Introduction to CAT machine electronics and monitoring systems, including the theoretical and practical operations of each system. Topics include component and symbols identification, wiring diagrams and schematics, CAT Vital Information Management System (VIMS), CAT Electronic Technician (ET) and Computer Monitoring System (CMS), along with an overview of the automatic retarder control and electronic traction aids systems. Measuring instruments and tools, both hand and machine, are used for diagnostic and troubleshooting procedures. 3 Credits (2 Lecture - 3 Lab) Prerequisite(s): DSM119 and DSM120 and DSM160. Fall Only.
Heavy Construction Vehicle Laboratory
Introduction to the operation of the most commonly used heavy construction equipment. Safety, pre-operational inspections, start-up, shut-down, and basic operating techniques will be included in the course. Service points, test connection areas, and proper field test procedures ensure safety while operating. Proper vs. improper lifting and/or towing procedures as they apply to construction equipment. 1 Credit (0 Lecture - 3 Lab) Corequisite(s): DSM284.
Caterpillar Electronic Engine Management Systems
Introduction to the theory and operation of Caterpillar electronic fuel injection systems, operation, and troubleshooting. Emphasis on utilizing Caterpillar’s ET computer-based diagnostic program and online Service Information System (SIS). Topics include electronic fuel systems, emissions, parts and components identification, usage and operation, electronic governing, and set-up of programmable functions using laptop computers. Introductory coverage of advanced electrical/electronic system principals, sensor type and function, sensor testing, system analysis using a digital multimeter (DMM) and/or special tooling, schematics, and wiring diagrams is included. 3 Credits (2 Lecture - 3 Lab) Prerequisite(s): CSC124 and DSM116 and DSM119 and DSM120 and DSM154. Spring Only.
Diesel Electronic Fuels: Systems, Operation and Diagnostics
Introduction to theory and operation of the different types of electronic fuel injection systems used by the major manufacturers of on-highway heavy-duty diesel engines. Topics include electronic fuel systems, parts and components identification, usage and operation, electronic governoring, set up programmable functions using laptop computers, and diagnostic readers. Introduction to advanced electrical/electronic system principals, sensor type and function, sensor testing, system analysis using a digital multimeter (DMM) and/or special tooling, schematics, and wiring diagrams. 5 Credits (3 Lecture - 6 Lab) Prerequisite(s): DSM116 and DSM119 and DSM120 and DSM154 or DSM116 and DSM119 and DSM154 and ELT122. Fall Only.