I. General Information

1. Course Title:
Mechanical Theory

2. Course Prefix & Number:
HEOM 1102

3. Course Credits and Contact Hours:

Credits: 1

Lecture Hours: 1

Lab Hours: 0

4. Course Description:

This course will cover basic mechanical theories; e.g., how engines work, major external component identification, fuel, lubrication, intake, and cooling systems, power trains, basic hydraulic system and drive train fundamentals. Students will learn principles and various applications on construction equipment to expedite accurate maintenance and service. Service and maintenance manuals will be used as reference resources.

5. Placement Tests Required:

6. Prerequisite Courses:

There are no prerequisites for this course.

9. Co-requisite Courses:

There are no corequisites for this course.

II. Transfer and Articulation

III. Course Purpose

1. Program-Applicable Courses – This course is required for the following program(s):

Heavy Equipment Operation & Maintenance, Diploma

IV. Learning Outcomes

1. College-Wide Outcomes

College-Wide Outcomes/Competencies	Students will be able to:
Analyze and follow a sequence of operations	Analyze the combustion cycle of two and four stroke engines, identifying the type of transmission systems.
Utilize appropriate technology	Utilize technology to understand how to make diesel engines run more efficiently and produce less emissions

2. Course Specific Outcomes - Students will be able to achieve the following measurable goals upon completion of the course:

• Identify mechanical components of diesel engines and basic heavy equipment
• Identify component serial numbers of earth moving equipment
• Demonstrate parts & service manual usage for equipment
• Recognize & understand electrical systems (12/24 volt) for trucks and equipment

V. Topical Outline

Listed below are major areas of content typically covered in this course.

1. Lecture Sessions

1. Four Stroke Diesel Engine
• Diesel engine vs. gasoline engine
• 1^st, 2^nd, 3^rd & 4^th strokes and functions
2. Engine Systems
• Lubrication System
• Fuel System
• Cooling system
• Intake & exhaust system
3. Equipment Power Trains
• Clutch
• Torque converter
• Transmission
• Universal Joint
• Power shaft
• Differential
• Final Drive
• Planetary   
• Undercarriage           
4. Parts & service manuals
• Proper manual understanding and usage
5. Basic Hydraulics
• System components
• Component functions
6. Electrical Systems 12V & 24V
• Battery composition
• Battery safety
• Battery combinations
• Starting system components