Diesel/Heavy Equipment Technologies Courses

Total Clock Hours 1080  

DH1101 Employability Skills

Clock Hours 33
The Job Search/Resume Class is designed to equip students with the necessary skills to successfully navigate the job search process. The class provides students with guidance in identifying potential employers, as well as assistance in completing job applications and preparing a standout resume and cover letter. The Interview Skills Class is a valuable resource for student as they prepare for job interviews. The class covers the component of an interview, common interview questions, and offers students the opportunity to practice their interview skills in a supportive environment First Aid and CPR Class teaches individuals the basic of life support and how to provide initial medical care in emergency situations. OSHA 10 training provides information and guidance for occupational safety and health regulations, standards, and practices.

DH1110 General Shop Operations

Clock Hours 36
Identify, maintain and demonstrate the proper use of hand tools and basic power tools; define and apply mechanic terminology; identify common fasteners; read a thread chart and perform basic tapping and threading; identify and use precision measuring tools.

DH1201 Hydraulic Systems

Clock Hours 95
Explain hydraulic principles; identify and explain the operation of hydraulic components;  interpret hydraulic schematics; diagnose hydraulic system failures and demonstrate safe service procedures.

DH1211 Brakes

Clock Hours 60
Describe the design and operation of air and hydraulic brake systems;  identify and explain the operation of brake foundation components; diagnose brake failures in hydraulic and air brake systems; demonstrate proper service procedures for mobile equipment hydraulic and air brakes.

DH1211 Tire Repair

Clock Hours 29
Explain safety issues related to tire repair; demonstrate proficiency in the service and repair of mobile equipment tires.

DH1241 Chassis Components

Clock Hours 60
Explain operation of mobile equipment steering and suspension systems; explain wheel alignment nomenclature; repack and adjust wheel bearings, inspect and adjust fifth wheel plate assemblies; diagnose and repair chassis and suspension components, including air suspension systems.

DH1121 Electrical/Electronic Systems

Clock Hours 120
Explain basic electrical theory, including Ohm’s law and Kirchhoff’s laws; explain electrical component operation; describe electrical system design; interpret electrical schematics; diagnose and service mobile equipment batteries, starters and generators; explain electronic control principles; explain electronic component operation, describe electronic control system design; diagnose electrical/electronic failures using digital multi-meters, current probes, digital storage oscilloscopes and scan tools.

DH1251 Transmissions

Clock Hours 60
Describe the construction, operation, inspection and maintenance of manual and automatic  transmissions; demonstrate diagnosis and repair procedures on standard and automatic transmissions.

DH1131 Engines

Clock Hours 228
Identify various makes and models of diesel engines; explain diesel engine operation; demonstrate basic repair practices; disassemble engine assemblies, clean, inspect and measure all parts for wear using manufacturer’s specifications;  measure or replace valves/valve guides; inspect crankshafts; replace engine bearings and measure clearance; install cylinder liners; fit pistons to connecting rods; install piston rings; install gaskets and seals; assemble engine and all associated parts; test run and adjust engine to specifications; diagnose various engine failures.

DH1141 Fuel Systems

Clock Hours 60
Explain fuel system inspection; identify fuel system components; describe operation of hydro-mechanical, MEUI and HPCR fuel systems; demonstrate fuel filter replacement; demonstrate fuel system bleeding procedures;  install and time fuel injection pumps; remove and install fuel injectors; calibrate HPCR injectors using a scan tool; diagnose and repair fuel system failures.

DH1151 Engine Cooling and Lubrication

Clock Hours 12
Explain the functions and importance of engine oil; explain the operation of oil filters and filtration systems; describe the operation of oil supply reservoirs, oil pumps and oil coolers; demonstrate the maintenance, diagnosis and repair of engine lubrication systems; explain the functions and importance of engine coolant; identify cooling system components; explain operation of water pumps, thermostats, and heat exchangers; demonstrate the maintenance, diagnosis and repair of engine cooling systems.

DH1161 Intake and Exhaust Systems

Clock Hours 24
Explain the construction and operation of intake manifolds, air filters, and after-cooler systems; inspect and service air intake systems; identify exhaust system components; explain the construction and operation of cooled EGR systems; describe the operation and service of turbochargers; locate and repair exhaust leaks; explain the construction and operation of exhaust after-treatment systems including diesel particulate filters and urea SCR; maintain and service Tier 4 Final emission control systems.

DH1261 Undercarriage

Clock Hours 60
Remove and replace the track assembly on a bulldozer; remove and replace the final drive on a bulldozer; remove, repair and install swing frames on a bulldozer; replace cutting edges on a grader/bulldozer blade; jack up and install blocking or jack stands on heavy equipment.

DH1171 Education/Technical Knowledge

Clock Hours 48
Research and prepare a parts list; carry out instructions furnished in written, oral, or diagrammatic form; read manuals and apply to work situation; apply mechanics math as required.

DH1280 HVAC Systems

Clock Hours 60
Explain the design and operation of mobile equipment HVAC systems; identify HVAC components; demonstrate HVAC system inspection and performance checks; diagnose failures in HVAC systems using pressure and temperature readings; demonstrate the location of refrigerant leaks; explain the importance of scan tools for HVAC diagnosis; demonstrate the operation of a recovery, recycle and recharge (RRR) machine; receive training to obtain EPA 609 certification for handling of refrigerants.

DH1290 Welding

Clock Hours 30
Demonstrate basic fabrication and repair procedures using oxyacetylene, stick, and wire feed welding processes.

DH1270 Cab/Body Systems

Clock Hours 30
Explain the construction and operation of cab/body systems, including power windows, windshield wiper/washers; seats, and instrument panels; inspect and diagnose failures in cab/body systems.

DH1190 Applied Math

Clock Hours 35
The applied math class will build from reviewing basic skills to specific math used in the Diesel/Heavy Equipment trade. The class focuses on helping students learn, understand and practice these necessary skills.