Johnston Community College

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Course Descriptions


Courses matching HET

 Hrs Per Week:Sem Hrs:
Prefix NoCourse NameClassLabClin/ExpCredit
 
HET 110Diesel Engines3.09.00.06.0
Prerequisites: None
Corequisites: None
This course introduces theory, design, terminology, and operating adjustments for diesel engines. Emphasis is placed on safety, theory of operation, inspection, measuring, and rebuilding diesel engines according to factory specifications. Upon completion, students should be able to measure, diagnose problems, and repair diesel engines.
 
HET 112Diesel Electrical Systems3.06.00.05.0
Prerequisites: None
Corequisites: None
This course introduces electrical theory and applications as they relate to diesel powered equipment. Topics include lighting, accessories, safety, starting, charging, instrumentation, and gauges. Upon completion, students should be able to follow schematics to identify, repair, and test electrical circuits and components.
 
HET 114Power Trains3.06.00.05.0
Prerequisites: None
Corequisites: None
This course introduces power transmission devices. Topics include function and operation of gears, chains, clutches, planetary gears, drive lines, differentials, and transmissions. Upon completion, students should be able to identify, research specifications, repair, and adjust power train components.
 
HET 115Electronic Engines2.03.00.03.0
Prerequisites: None
Corequisites: None
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.
 
HET 116Air Cond/Diesel Equip1.02.00.02.0
Prerequisites: None
Corequisites: None
This course provides a study of the design, theory, and operation of heating and air conditioning systems in newer models of medium and heavy-duty vehicles. Topics include component function, refrigerant recovery, and environmental regulations. Upon completion, students should be able to use proper techniques and equipment to diagnose and repair heating/air conditioning systems according to industry standards.
 
HET 118Mechanical Orientation2.00.00.02.0
Prerequisites: None
Corequisites: None
This course introduces the care and safe use of power and hand tools. Topics include micrometers, dial indicators, torque wrenches, drills, taps dies, screw extractors, thread restorers, and fasteners. Upon completion, students should be able to select and properly use tools for various operations.
 
HET 119Mechanical Transmissions2.02.00.03.0
Prerequisites: None
Corequisites: None
This course introduces the operating principles of mechanical medium and heavy-duty truck transmissions. Topics include multiple counter shafts, power take-offs, sliding idler clutches, and friction clutches. Upon completion, students should be able to diagnose, inspect, and repair mechanical transmissions.
 
HET 125Preventive Maintenance1.03.00.02.0
Prerequisites: None
Corequisites: None
This course introduces preventive maintenance practices used on medium and heavy-duty vehicles and rolling assemblies. Topics include preventive maintenance schedules, services, DOT rules and regulations, and road ability. Upon completion, students should be able to set up and follow a preventive maintenance schedule as directed by manufacturers.
 
HET 127Shop Rules & Regulations1.00.00.01.0
Prerequisites: None
Corequisites: None
This course introduces safety, OSHA, and EPA general requirements used in the mobile equipment industry. Topics include fire extinguisher use, MSDS sheets, oil contamination, protective gear, and other related topics. Upon completion, students should be able to properly use fire extinguishers and demonstrate knowledge of applicable general safety, OSHA, and EPA regulations.
 
HET 128Medium/Heavy Duty Tune Up1.02.00.02.0
Prerequisites: None
Corequisites: None
This course introduces tune-up and troubleshooting according to manufacturers' specifications. Topics include troubleshooting engine systems, tune-up procedures, and use and care of special test tools and equipment. Upon completion, students should be able to troubleshoot, diagnose, and repair engines and components using appropriate diagnostic equipment.
 
HET 134Mechanical Fuel Injection2.02.00.03.0
Prerequisites: None
Corequisites: None
This course introduces the principles of mechanical fuel injection. 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.
 
HET 230Air Brakes1.02.00.02.0
Prerequisites: None
Corequisites: None
This course introduces the operation and design of air braking systems used on trucks. Topics include safety, governors, compressors, and supporting systems. Upon completion, students should be able to diagnose, disassemble, inspect, repair, and reassemble air brake systems.
 
HET 231Med/Hvy.Duty Brake System1.03.00.02.0
Prerequisites: None
Corequisites: None
This course covers the theory and repair of braking systems used in medium and heavy-duty vehicles. Topics include air, hydraulic, and ABS system diagnosis and repair. Upon completion, students should be able to troubleshoot, adjust, and repair braking systems on medium and heavy-duty vehicles.
 
HET 233Suspension & Steering2.04.00.04.0
Prerequisites: None
Corequisites: None
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 on medium and heavy- duty vehicles.
 
 
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