Survey
* Your assessment is very important for improving the workof artificial intelligence, which forms the content of this project
* Your assessment is very important for improving the workof artificial intelligence, which forms the content of this project
Model 12 Intek Horizontal OHV Basic Electrical Principles And Ignition System Customer Education Atom • Protons, neutrons, electrons • Copper, silver, gold best conductors of electricity • Free electron is able to move from atom to atom Customer Education Electrical Terminology • Voltage – Electrical pressure in a circuit (Measured in volts) • Current – Flow of electrons moving past a point in a circuit (Measured in amperes) • Resistance – Opposition to the flow of electrons (Measured in ohm’s) • Circuit – A complete path that controls the rate and direction of electron flow Customer Education Magnetism • Lines of Flux – Invisible lines of force • North and south poles – Lines of flux flow to opposite poles • Permanent magnet verses temporary magnet Customer Education Induction • Production of voltage and current – Conductor passes through a magnetic field – Motion must be present Customer Education Current Flow • AC Current = Flows in 2 directions – Source is from magnetic induction • DC Current = Flows in only one direction – Source is either a battery, or a device with diodes Customer Education Series Circuit • Current can flow through only one path Customer Education Parallel Circuit • More than one path for current to go – Will have a “T” in the circuit Model 12 Intek Horizontal OHV Ignition Systems Customer Education Ignition System • Flywheel has magnets – Lines of flux – Motion • Ignition module supplies electricity to the spark plug Customer Education Flywheel • Flywheels house magnets – Provides a north and south pole – Mounted on outer diameter Customer Education Ignition Module Coils • Primary winding – 74 Turns • Secondary winding – 4,400 Turns – Connects to spark plug • 60:1 Step-up Transformer • Trigger coil opens the circuit for the primary winding Customer Education Breaker Point Ignition Systems • Used on engines until 1981 • Consisted of armature, points and condenser Customer Education Breaker Point Ignition Systems • When points are closed, magnetic field builds up in primary winding • When points open, magnetic field in primary winding collapses thru secondary winding • This creates enough voltage to fire the spark plug Customer Education Breaker Point Ignition Systems (NOT USED ON THIS ENGINE) • Note the locations of the parts • Usually required service annually Customer Education Magnetron® Ignition Systems (USED ON THIS ENGINE) • Electronic module which replaced points and condenser • Module acts like switch – Opens and closes circuit on the primary winding Customer Education Spark Plug • Electrical energy will jump the spark plug gap – Spark causes air-fuel mixture to burn • Proper spark plug gap Model 12 Intek Horizontal OHV Questions?