Small Engine Ignition Systems Ch 9 Chapter Objectives

Small Engine Ignition Systems Ch 9 Chapter Objectives - Upon completion of this chapter you should be able to: Explain theory of operation of ignition systems. u I. D. the components of an ignition system and understand the function of each. u Perform ignition system installations and adjustments. u Explain sparkplug identification and construction. u Explain the differences between a Magneto Ignition System and a Battery Coil Ignition System. u Troubleshoot common ignition system problems and perform common repairs. u

Small Engine Ignition Systems Ch 9 Battery Coil -VS- Magneto Ignition System Battery Coil Ignition Magneto Ignition

Small Engine Ignition Systems Ch 9 Point gap effects spark timing and Voltage Magnitude Condenser Absorbs current flow to reduce point arcing

Small Engine Ignition Systems Ch 9 Electromagnetic Induction The Coil is a Step up Transformer

Small Engine Ignition Systems The primary function of an ignition system is to: Provide a properly timed spark in the combustion chamber of the engine that will ignite the air-fuel mixture from the carburetor. Points open Ch 9

Small Engine Ignition Systems Ch 9

Small Engine Ignition Systems Spark Plug ID Ribs Prevent Flashover Ch 9

Small Engine Ignition Systems Ch 9 Gapping sparkplugs Selecting proper plug reach

Small Power Equipment Cranking Systems S B M