10/28 Chapter 8 and 9

Grade Level:

11

Subject:

Small Engine I

Start Date:

End Date:

Goal Summary:

8
Name various types of fuel that can be used in a small engine and list practical applications for each.
Explain the importance of proper fuel-oil mixture in a two-cycle engine.
Describe the purpose of fuel filters.
Explain fuel pump operation.
Describe the operation of a pressurized fuel system.
Describe the purpose of an air cleaner.
Explain the importance of emission control.
9
List and explain the principles of carburetion.
Distinguish between natural draft, updraft, and downdraft carburetors.
Explain float-type carburetor operation.
Explain the operation of diaphragm-type carburetors.
Explain vacuum carburetor operation.
Differentiate between wet-bulb and dry-bulb primers.
Explain how manual throttle controls work.
List the basic functions of a governor.
Explain the operation of air-vane, centrifugal, electronic, and vacuum governors.
Distinguish between open-loop and closed-loop electronic fuel injection (EFI).
Explain the operation of open-loop and closed-loop EFI systems.
Identify the components used in common open-loop and closed-loop EFI systems.

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Content Goals:

Effectively understand Fuel Systems and Emission Controls, as well as Carburetor differences, parts, and operation, including basic EFI.

Skill Goals:

1: 34-52
1: 66-77
1: 116

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