2006-07 Catalog Archive (Archived July 31, 2006)

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Course Descriptions

DSM102
Equipment Operation and Safety
Introduction to work site safety, daily inspection checklist, start-up procedures, and proper operating techniques as they relate to several major types of heavy construction equipment. (Formerly DSM 100) 1 Credit (0 Lecture - 3 Lab)

DSM108
Tools, Hardware and Failure Analysis
An introduction to the tools, fasteners and fittings used in service and repair of diesel powered equipment. The focus will be on shop safety and practices in using appropriate tools and hardware; and the procedures for systematic analysis in determining causes of component failure. (Formerly DSM 113 & 114) 2 Credits (2 Lecture - 0 Lab)

DSM109
Basic Fuel Systems
This course will provide a basic introduction to the theory and operation of the various mechanical diesel fuel injection systems as they apply to the heavy-duty diesel engine field, with a focus on operation, maintenance, troubleshooting and repair, and safety. (Formerly DSM 119) 3 Credits (2 Lecture - 3 Lab)

DSM115
Diesel Engines
This course will provide an introduction to the theory of a diesel engine operation, mechanical functions, component terminology and manufacturers' engine nomenclature. Basic overhaul procedures necessary to service and repair diesel engines are discussed. (Formerly DSM 131) 4 Credits (4 Lecture - 0 Lab) Corequisite(s): DSM116.

DSM116
Diesel Engines Laboratory
Introduction to the practical application of basic mechanical operations and procedures emphasis on component nomenclature, correct service, maintenance and safety procedures. (Formerly DSM 130) 4 Credits (0 Lecture - 12 Lab) Corequisite(s): DSM115.

DSM117
Introduction to Hydraulics
This course is an introduction to mobile hydraulic principles and systems. Students will study flow, pressure, and multiplication of force and velocity of a liquid within a confined state. Hydraulic schematics will be used. 1 Credit (1 Lecture - 0 Lab) Prerequisite(s): Placement by Examination or MTH004.

DSM119
Fuel Systems
This course will provide a 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. (Formerly DSM 118) 2 Credits (2 Lecture - 0 Lab)

DSM120
Basic Electricity
Introduction to the basic principles of electricity, electrical safety, multimeters, Ohm's Law, magnetism, electrical terminology, operating procedures of analog and digital instruments, introduction to 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. (Formerly DSM 127/128) 4 Credits (2 Lecture - 6 Lab) Prerequisite(s): Placement by Examination or MTH004.

DSM121
Hydraulics I
Hydraulics I is the foundation of hydraulic principles and system operation. Students will learn the principles of flow and pressure within a mobile hydraulic system. They will learn how force is multiplied, the importance of velocity within a conductor and flow requirements within a hydraulic system. Students will understand the application of conductors within a system. They will also be introduced to the various accessories used in mobile hydraulics; accumulators, filters, maintenance procedures, coolers and reservoir types. Students will be introduced to the operation of gear and vane pumps. Students will receive safety instructions involving working around hydraulic equipment. 3 Credits (2 Lecture - 3 Lab) Corequisite(s): MTH124.

DSM122
Hydraulics II
Hydraulics II is designed to show students the operation, disassembly, evaluation, assembly and various setup procedures and their application to piston pumps. Students will disassemble, explain the operation, evaluate failures, assembly and perform the various setup procedures on hydraulic valves. Students will learn about the various systems on hydraulic equipment and understand how to read a schematic. Students will disassemble, evaluate, learn the various seals and perform the proper reassembly procedures for hydraulic cylinders. 4 Credits (2 Lecture - 6 Lab) Prerequisite(s): DSM121.

DSM140
Truck Tractor Chassis and Alignment
The study of suspension, frame and steering components, including the alignment and maintenance of system components. 3 Credits (1 Lecture - 6 Lab)

DSM141
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 - 0 Lab)

DSM142
Power Train 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.

DSM145
Construction Equipment Chassis
Introduction to the theory, operation, troubleshooting, adjustment and preventative maintenance of on and off-road heavy equipment drivelines, tracks and steering systems. (Formerly DSM 144) 1 Credit (1 Lecture - 0 Lab)

DSM146
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 - 0 Lab) Corequisite(s): DSM140 and DSM141 and DSM142.

DSM149
Heavy Equipment Power Trains/Chassis
Introduction to the operation theory of heavy equipment drive trains; including standard transmissions, clutches, drive-shafts, differential carriers, axles, final drives, tracks, undercarriages and clutch-type steering systems. Principles of torque multiplication and bearing adjustment will be included. (Formerly DSM 145 and DSM 147) 3 Credits (3 Lecture - 0 Lab) Corequisite(s): DSM141 and DSM142.

DSM151
Mack Dealership Internship
A specialized work experience to be performed in a participating Mack Trucks, Inc., dealership. The experience will apply knowledge and skills developed during the first year of diesel technology instruction. The course will be conducted in accordance with the guidelines established by participating Mack Trucks, Inc. dealerships. 2 Credits (0 Lecture - 10 Lab) Prerequisite(s): DSM115 and DSM116 and DSM120 and DSM140 and DSM141 and DSM142 and DSM146. Summer Only.

DSM152
Electric Power Generation Internship
A specialized work experience to be performed in a participating dealership. The experience will apply knowledge and skills developed during the first year of Electric Power Generation instruction. The course will be conducted in accordance with the guidelines established by participating dealerships. 2 Credits (0 Lecture - 10 Lab) Prerequisite(s): CSC110 and DSM115 and DSM116 and ELT111 and ELT113 and ELT122.

DSM153
Internship
A specialized work experience to be performed in a participating business. The experience will apply knowledge and skills developed during the first year of heavy equipment instruction. The course will be conducted in accordance with the guidelines established by the advisory committee. (Formerly DSM 150) 2 Credits (0 Lecture - 10 Lab) Prerequisite(s): CSC110 and DSM115 and DSM116 and DSM120 and DSM149.

DSM230
Hydraulics III
Hydraulics III is the study of troubleshooting hydraulic systems, hydrostatic transmissions and hydraulic-assist transmissions. The course deals heavily in the use of test equipment and schematic reading. Troubleshooting of a hydraulic system is taking the basics one has learned and using a systematic approach, along with various test equipment, to determine problems within the system. Hydrostatic transmission is the use of pumps and motors in the propulsion of moving equipment. Emphasis will be placed on the operation, control and repair of the hydrostatic transmission. The control portion will emphasize 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.

DSM240
Electronic Fuel Systems Operation/ Diagnostics
This course will provide an 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 to be covered will include: electronic fuel systems, parts and components identification, usage and operation, electronic governoring, set up programmable functions using laptop computers and diagnostic readers. 3 Credits (2 Lecture - 3 Lab) Prerequisite(s): DSM119 and DSM120 or CSC110 and ELT111.

DSM241
Diesel Electronic Systems
Introduction to advanced electrical/electronic system principals, sensor type and function, sensor testing, system analysis using Volt Ohm Meter (VOM) and/or special tooling, schematics, and wiring diagrams. 2 Credits (1 Lecture - 3 Lab) Prerequisite(s): DSM120 or ELT111 and ELT122.

DSM242
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 will include: basic heating systems, refrigeration principles, component identification, component function, refrigerants, environmental concerns, system testing, diagnosis and repair. (Formerly DSM267) 2 Credits (1 Lecture - 3 Lab) Prerequisite(s): DSM120.

DSM245
Allison Transmissions
Introduction to the theory of operation, preventative maintenance, diagnostics, and overhaul of Allison World Transmissions. Topics to 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. (Formerly DSM246) 3 Credits (2 Lecture - 3 Lab) Prerequisite(s): DSM142 and DSM146.

DSM249
Gaseous Fueled Engines
Introduction to engines fueled by methane, natural gas and other gaseous fuels. This course will differentiate between diesel and gaseous-fueled systems. Topics include: gaseous combustion process, types of fuels and compression ratios, fuel regulation and delivery, ignition system, temperature regulation, emission controls, preventative maintenance and tune up. 2 Credits (2 Lecture - 0 Lab) Prerequisite(s): DSM115 and DSM116.

DSM258
Vehicle Electronics/Diagnostic Procedures
This course will provide an 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 to be covered will 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): DSM115 and DSM116 and DSM240.

DSM268
Truck and Trailer Refrigeration Systems
Study of the operation, maintenance, repair and troubleshooting of highway vehicle refrigeration systems. Topics to include compressors, expansion valves, three-way valves, condensers, evaporators and control systems. 4 Credits (2 Lecture - 6 Lab)

DSM274
Equipment Maintenance Management
On and off-highway preventative maintenance and shop scheduling. Emphasis on record keeping and oil analysis interpretation. Familiarity with forms such as repair orders, preventative maintenance inspection checklists, warranty claims, and vehicle condition reports. Improving shop productivity by including scheduling of repairs and operating cost calculations. Other discussions include government regulations such as emission testing, oil and lubricant disposal, transportation of hazardous materials, and work flow. Develops the students' abilities to manage the process of setting and accomplishing goals through the use of human, technical and financial resources within the context of the environment. (Formerly DSM 271) 1 Credit (1 Lecture - 0 Lab) Prerequisite(s): DSM113 or DSM108.

DSM275
Automated Power Train Products
This course will expose students to the theory of operations, diagnostics, and maintenance procedures on electronically shifted transmissions currently used in the commercial trucking industry. Theories covered in this course will be relevant to transmission models currently available from leading manufacturers in the industry. (Formerly DSM259) 2 Credits (2 Lecture - 0 Lab) Prerequisite(s): DSM142 and DSM146.

DSM281
CAT Engine Management Systems
Introduction to the theory and operation of Caterpillar mechanical fuel-injection systems, Caterpillar electronic fuel-injection systems, and Caterpillar HEUI fuel system. The operations and troubleshooting of the various systems including fuel, emission control, engine control and tune-up are explored with emphasis on diagnostic testing using Caterpillar's Electronic Technician computer-based system. 3 Credits (1 Lecture - 6 Lab) Prerequisite(s): DSM115 and DSM116 and DSM120. Fall Only.

DSM282
CAT Vehicle Chassis Electronics and Diagnostic Procedures
An introduction to CAD machine electronics and monitoring systems. Students will study the theoretical and practical operations of each system. Topics such as component and symbols identification, wiring diagrams and schematics, CAT Vital Information Management System (VIMS) and CAT Monitoring System (CMS) along with an overview of the automatic retarder control and electronic traction aids systems. Use of measuring instruments and tolls, both hand and machine will be used for diagnostic and troubleshooting procedure. 4 Credits (3 Lecture - 3 Lab) Prerequisite(s): DSM120 and DSM149 and DSM241. Spring Only.

DSM284
Introduction to CAT Vehicles
An introduction to the operation of most commonly used Caterpillar (CAT) earthmoving equipment. Safety, inspection checklist, start-up procedures and proper operation techniques will be explored. Service access and connection areas will be identified along with lifting, support and towing locations. (Formerly DSM 280) 1 Credit (1 Lecture - 0 Lab)

DSM285
CAT Vehicles Laboratory
An introduction to the operation of most commonly used Caterpillar (CAT) earth moving equipment. Safety, inspection checklist, start-up procedures and proper operation techniques will be explored. Service access and connection areas will be identified along with lifting, support and towing locations. (Formerly DSM 280) 1 Credit (0 Lecture - 3 Lab) Prerequisite(s): DSM284.

DSM290
V-MAC Electronics and Diagnostic Procedures
Specialized training with Mack Trucks, Inc. electronic fuel injection systems and service tools. The operations and troubleshooting of the various systems including fuel, emission control, engine control, and tune-up are explored with emphasis on diagnostic testing using Mack Trucks, Inc. computer based system. 3 Credits (1 Lecture - 6 Lab) Prerequisite(s): DSM115 and DSM116.

DSM291
Mack Failure Analysis and Dealer Procedures
Fundamentals of determining causes of failures of parts specific to components manufactured by Mack Trucks, Inc. Evaluation of failures of components such as diesel engines, transmissions, carriers and chassis will be covered. Other topics include, Mack special tools, parts procedures, warranty claims, and Mack vehicle familiarization. 1 Credit (1 Lecture - 0 Lab) Prerequisite(s): DSM115 and DSM116 and DSM142 and DSM146. Spring Only.