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VSM-102 Fuel, Lubrication, Carburetor, & Ignition

Course Description:
This course introduces students to the basic design, function and operation of the small engine’s fuel, lubrication, carburetor and ignition systems. Cover topics on maintenance, diagnosis, and service of these associated systems.

A. PROGRAM LEARNING OUTCOMES (PLOs):
The student will be able to:

  1. Practice proper safety procedures to ensure healthy work environment.
  2. Use small engine tools and equipment.
  3. Perform small engine preventative maintenance.
  4. Demonstrate basic troubleshooting and repair of small engines.
  5. Overhaul two and four-stroke small engines.

B. STUDENT LEARNING OUTCOMES (SLOs) - GENERAL:         
The student will be able to:

  1. Identify the types of fuel systems used in small engines.
  2. Identify the types of fuel used in small engine operation.
  3. Describe the function of the lubricating system in a small engine.
  4. Identify main parts of the carburetor and explain their functions. Perform basic maintenance, diagnosis, and service.
  5. Identify ignition components, explain their functions, and demonstrate basic maintenance, diagnosis, and service of associated systems.

SLO

PLO1

PLO2

PLO3

PLO4

PLO5

1

 

 

D

 

 

2

I

 

D

D

D

3

ID

 

D

M

D

4

 

DM

M

D

D

5

DM

D

 

M

M

I = Introduced
D = Demonstrated
M = Mastered

C. STUDENT LEARNING OUTCOMES (SLOs)-SPECIFIC:
The student will be able to:

General SLO 1. Explain the types of fuel systems used in small engines.


Student Learning Outcomes

Assessment Strategy

1.1 Explain the fuel system types of the following: gravity fuel system, suction fuel system, fuel pump system, and pressurized fuel system.

 

Written test or short answer questions

General SLO 2. Identify types of fuel used in small engine operation.


Student Learning Outcomes

Assessment Strategy

2.1 Explain the properties of gasoline fuel, storage life, anti-knock value and its additives.

 

Multiple choice questions or short answer questions

2.2 Differentiate between leaded and unleaded gasoline.

2.3 Discuss how engine emissions are controlled.

2.4 Identify other types of fuel used in small engines.

General SLO 3. Describe the function of the lubricating system in a small engine.


Student Learning Outcomes

Assessment Strategy

3.1 Describe or explain the role and function of the lubrication system.

 

 

Multiple choice questions and/or short answer questions

3.2 Explain fossil and synthetic-based lubricants and their use.

3.3 Explain the purpose of additives in a lubricant.

3.4 Identify oil grade types.

3.5 Describe oil demands in a small engine.

General SLO 4. Identify main parts of the carburetor / fuel injection system and explain their function. Perform basic maintenance, diagnosis, and service.


Student Learning Outcomes

Assessment Strategy

4.1 Identify carburetor parts and describe their functions.

Short answer questions

4.2 Demonstrate basic maintenance and troubleshooting of a carburetor.

Practical exercises and/or test

4.3 Explain and discuss the difference between a diaphragm-type and a variable-venturi carburetor type.

Short answer questions

4.4 Explain the fuel injection system.

Short answer questions

4.5 Dismantle and rebuild a basic type of small engine carburetor.

Practical exercises and/or test

General SLO 5. Identify ignition components, explain their functions and perform basic maintenance.


Student Learning Outcomes

Assessment Strategy

5.1 Describe ignition electrical concepts and components.

Short answer questions

5.2 Explain the difference between a magneto ignition and a battery ignition.

Short answer questions

5.3 Explain what electronic ignition is.

Short answer questions

5.4 Explain what a sparkplug is and demonstrate how to repair a damaged sparkplug thread.

Short answer questions, practical exercises and/or test

5.5 Perform ignition maintenance.

Practical exercises and/or test

 D. COURSE CONTENT

  1. Fuel and lubrication system:
    This chapter covers types of fuel systems, gasoline and other fuels, lubrication system, oil grades, recommended lubrication, lubrication problems, and two-cycle oil used in small engines.
  2. Carburetors:
    Cover topics on carburetor construction, carburetor functions, maintenance and troubleshooting, various carburetor types, diaphragm carburetor with fuel pump, variable venturi carburetor, fuel injection system, and carburetor rebuilding.
  3. Ignition system:
    Deal with electrical concepts and components, simple alternator, magneto and battery ignition, electronic ignition, sparkplugs, and ignition system maintenance.
E. METHODS OF INSTRUCTION

Computer Aided Instruction
Practical/Experimentation
Lecture/Demonstration

F.  REQUIRED TEXT(S) AND COURSE MATERIALS
William Schuster (1998), Small Engine Technology, 2nd edition. KY: Florence. Sengage Learning (or most recent edition).
Toolkit
Calculator

G.  REFERENCE MATERIALS
Selected films, charts and manufacturer service manuals.

H.  INSTRUCTIONAL COSTS
None

I.   EVALUATION
Students must achieve 70% mastery or a “C” grade to pass this course.

J.   CREDIT BY EXAMINATION
None

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