I. General Information

1. Course Title:
Engine Theory and Diagnostics

2. Course Prefix & Number:
MAPS 1104

3. Course Credits and Contact Hours:

Credits: 4

Lecture Hours: 2

Lab Hours: 4

4. Course Description:

This course is designed to provide the basic understanding of the theory and operation of two-stroke and four-stroke engines along with how to quickly diagnose problems with them.

5. Placement Tests Required:

Accuplacer (specify test):

No placement tests required

Score:

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):

Marine and Powersports, Diploma

IV. Learning Outcomes

1. College-Wide Outcomes

College-Wide Outcomes/Competencies	Students will be able to:
Demonstrate reading and listening skills	Perform tasks to manufacturer's specifications after lecture and reading the service manual.
Analyze and follow a sequence of operations	Follow service manual procedures in diagnosing and repairing powersport equipment.
Utilize appropriate technology	Operate computers to create estimates, service orders and maintain inventory controls.

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

• Apply safe work practices in a manner compatible with OSHA requirements and industry expectations;
• Demonstrate industry standard applications of selected tools and equipment for marine and powersports maintenance, diagnostic and repair;
• Apply basic diagnostic and repair concepts to power train and drivetrain systems in the marine and powersports field;
•  Apply preventative maintenance concepts to marine and powersports equipment care and storage;
• Demonstrate the ability to quickly diagnose a machine to verify if it's worth fixing
• Demonstrate the ability to prepare engines for off season storage
•  Identify the functional relationships among marine and powersport components and systems;
•  Use a variety of computer, Web and technical resources to find information, troubleshoot problems and prepare estimates;
• Demonstrate an understanding of TDC compression and the importance of adjusting valves at that position;
• Demonstrate proper completion of a service orders;
• Demonstrate the ability to maintain a clean and professional shop setting; and
• Demonstrate the knowledge of proper handling of hazardous materials in a shop setting.

V. Topical Outline

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

1. Lecture Sessions

1. Engine construction and principles of operation
• Basic components of an engine and how they work
• Four stroke engines
• Two stroke engines
• How you need to diagnose them differently
2. Lubrication systems
• Types of oil
• Types of lubricating systems
3. Cooling systems
• Air cooled systems
• Water cooled systems
• Oil cooled systems
4. Diagnostics
• Engine failure analysis
5. Engine inspection and repair
• How to measure components
• Micrometers
• Telescoping gauges
• Small hole gauges
• Go – No Go gauges
• Dial calipers
6. Piston and piston ring service
• How to inspect pistons and rings
• Types of rings
7. Bearing, crankshaft, valve, and camshaft service
• Types of bearings
• Parts of the crankshaft
8. Valve train components

2. Laboratory/Studio Sessions

1. Four stroke engines
• Over-head valve engine
• Diagnosis
• Spark test
• Compression test
• Leak down test
• Disassembly
• Systematic disassembly of a single cylinder OHV engine
• Cleaning and inspection
• Thoroughly clean all parts of the engine
• Layout engine in an orderly fashion
• Measure and inspect all components of the engine as laid out in the appropriate service manual
• Explain the engine components and how they work together
• Reassembly
• Follow manufacturers service manual instructions
• Torque all major fasteners to proper specifications
• Test run
• Warm up engine
• Adjust governor to proper RPM
• Prepare engine for off season storage
• Diagnosis
• Spark test
• Compression test
• Leak down test
2. Two stroke engines
• Diagnosis
• Spark test
• Compression test
• Leak down test
• Crankcase pressure test
• Test run
• Mix oil and fuel
• Warm up engine
• Prepare engine for off season storage