Plan of Study

Diesel & Heavy Equipment - Komatsu Advanced Career Training

Associate in Applied Science (87 credit hours)

Departmental Requirements: 56 credit hours
DHEK 1104 Komatsu General Basics
A study of Metric and English precision measurement, tool and fastener identification and use, personal safety, equipment safety and shop safety, and is designed to acquaint students with the federal safety regulations relating to maintenance safety: EPA, OSHA, Hazardous Materials and Waste. Included is a review of the OSU Institute of Technology Student Handbook, and discussions of class, lab and internship policies and procedures. A Career Cornerstone course and includes a technical pre- test, an introduction to Komatsu history, career exploration and information for the student’s Career Passport. Theory/Lab.
DHEK 1124 Komatsu Parts and Service Publications
An explanation of the purpose and use of Komatsu Publications, including operations manuals, maintenance manual, reusability guides, service management publications, microfiche and computer based CSS and CARE. Students become familiar with Komatsu terminology, machine and engine nomenclature and the part numbering system. Students practice locating information using Komatsu publications and complete service reports, pre-delivery reports and receiving reports. An introduction to customer service skills is included. Theory/Lab.
DHEK 1143 Komatsu Internship I
A cooperative agreement between industry and education allows students to utilize and refine skills previously learned during their educational process. All work is performed in accordance with industry standards and guidelines, and supervised by industry and school representatives. Lab. Prerequisites: Student must have a valid driver’s license, be in good academic standing and have successfully completed required core courses: DHEK 1104, DHEK 1124.
DHEK 1216 Komatsu Engines and Fuel Systems
A study of the operation, maintenance and repair of engines and related fuel systems used in Komatsu equipment. Presents terminology, concepts and techniques needed to properly diagnose and repair engines, and emphasizes the rebuilding procedures and testing of engines and fuel systems. It includes cleaning, inspection, measurement, troubleshooting techniques, tune- up procedures, and failure analysis. The proper usage of tools, precision measurement devices, safety, and service publications is stressed. Theory/Lab.
DHEK 1243 Komatsu Internship II
A cooperative agreement between industry and education allows students to utilize and refine skills previously learned during their educational process. All work is performed in accordance with industry standards and guidelines, and supervised by industry and school representatives. Lab. Prerequisites: Student must have successfully completed all previous core and academic courses as listed in the program Information Guide, have a minimum 2.0 institutional GPA, a valid driver’s license or Division Chair or designee approval.
DHEK 1323 Komatsu Basic Hydraulics
A study of the fundamentals, theory and application of mobile hydraulic principles. Students locate and identify machine components from schematics, draw and read schematics, identify fittings, seals and components used in hydraulic systems on Komatsu equipment. Pascal’s Law is used to calculate energy-work-power relationships. Hydraulic principles and operation of pumps, control valves, actuators, fluid conditioners used on Komatsu equipment are covered, as well as failure analysis, diagnostics and reconditioning of hydraulic components. Theory/Lab. Prerequisite: DHEK 1104.
DHEK 1333 Komatsu Basic Electrical Systems
An introductory study of electricity and electrical components and circuit, and introduces the student to electrical principles, electrical and electronic diagnostic tools. Students use OHM’s Law to calculate volts, amps and ohms within series and parallel circuits, interpret and draw schematics using common electrical symbols. Students locate and identify machine components using schematics, diagnose and repair wiring circuits, starting and charging system faults. Theory/Lab. Prerequisite: DHEK 1104.
DHEK 1343 Komatsu Internship III
A cooperative agreement between industry and education allows students to utilize and refine skills previously learned during their educational process. All work is performed in accordance with industry standards and guidelines, and supervised by industry and school representatives. Lab. Prerequisites: Student must have successfully completed all previous core and academic courses as listed in the program Information Guide, have a minimum 2.0 institutional GPA, a valid driver’s license or Division Chair or designee approval.
DHEK 2416 Komatsu Wheel Loaders
A study of the structure and function of Komatsu wheel loaders. Students identify and locate power train and hydraulic components, troubleshoot torque converter, transmission and hydraulic systems, and examine the application, operation, maintenance and troubleshooting of the components in Komatsu wheel loader. Students learn components and theory of operation, as well as disassembly and assembly techniques. Students diagnose and repair differentials, brakes and planetary drives. Repair procedures on the articulated joint. Hydraulic systems are reviewed with emphasis on the steering system. Students study how to use test results for diagnoses purposes, and how to use Komatsu publications to determine which attachments can be used for special applications. Students use PM Clinic Test Kit. Theory/ Lab. Prerequisites: DHEK 1216, DHEK 1323, DHEK1333.
DHEK 2443 Komatsu Internship IV
A cooperative agreement between industry and education allows students to utilize and refine skills previously learned during their educational process. All work is performed in accordance with industry standards and guidelines, and supervised by industry and school representatives. Lab. Prerequisites: Student must have successfully completed all previous core and academic courses as listed in the program Information Guide, have a minimum 2.0 institutional GPA, a valid driver’s license or Division Chair or designee approval.
DHEK 2516 Komatsu Hydraulic Excavator
A basic study of the structure and function of Komatsu designed hydraulic excavators which requires the student to select and use the correct Komatsu troubleshooting charts for diagnose and repair of electronic systems and to test and adjust hydraulic controlling components and engine systems. Students identify, locate and troubleshoot electronic sensors and switches. Students use onboard monitors for diagnostic purposes, learn the proper use of Komatsu Electrical “T” Adapter Kits for use with digital volt/ohm meters, and use electrical repair kits and crimper tools. Students also use Komatsu publications to determine which attachments can be used for special applications, and study how to use test results for diagnoses purposes. Theory/Lab. Prerequisite: DHEK 2416.
DHEK 2543 Komatsu Internship V
A cooperative agreement between industry and education allows students to utilize and refine skills previously learned during their educational process. All work is performed in accordance with industry standards and guidelines, and supervised by industry and school representatives. Lab. Prerequisites: Student must have successfully completed all previous core and academic courses as listed in the program Information Guide, have a minimum 2.0 institutional GPA, a valid driver’s license or Division Chair or designee approval.
DHEK 2626 Komatsu Capstone
An applied research project identified during internships as a work based problem in need of improvement. Research can include improvements in diagnostics, service and maintenance processes, technical support systems, etc. The technical areas of study include the evolution of Komatsu crawler tractor design, including structure and function. Students identify and locate power train and hydraulic components, troubleshoot and adjust damper, torque converter and transmission. Students diagnose, service and repair differentials, final drives and steering brakes, controls and linkages, remove, repair and install powerpacks, identify, evaluate, service, repair and adjust undercarriage components, study the wear characteristics of undercarriage components, and evaluate competitive track design. Before going on their final internship, students participate in a post-test to determine technical competency gain. Theory/Lab. Prerequisite: DHEK 2516.
DHEK 2653 Vehicle Air Conditioning Systems
The basics of compression refrigeration systems to cars, trucks, and mobile equipment. The use of hand tools and other specialized air conditioning/refrigeration tools are emphasized in the laboratory, as well as identification of sealed system components and their function, and system maintenance and repair. Theory/Lab. Prerequisites: DHEK 1333.
General Education Requirements: 24 credit hours
For general education and interdepartmental course descriptions, see the School of Arts and Sciences courses.
Behavioral Sciences (3 credit hours)
PSYC 1113 Introductory Psychology
PSYC 2313 Psychology of Personal Adjustment
SOC 1113 Introductory Sociology
English (6 credit hours)
ENGL 1033 Technical Writing I
ENGL 2033 Technical Writing II
ENGL 1113 Freshman Composition I
ENGL 1213 Freshman Composition II
History (3 credit hours)
HIST 1483 U. S. History To 1865
HIST 1493 U. S. History Since 1865
Mathematics (3 credit hours)
MATH 1513 College Algebra
MATH 2003 Business Mathematics
Philosophy (3 credit hours)
PHIL 1213 Ethics
Political Science (3 credit hours)
POLS 1113 U. S. Government
Speech (3 credit hours)
SPCH 1113 Introduction to Speech Communications
Interdepartmental Requirements: 7 credit hours
General Technologies (7 credit hours)
GTCT 1183 Welding
GTGE 1111 College Cornerstone
CS 1013 Computer Literacy and Applications