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STARTING AND CHARGING SYSTEM
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Starting and Charging Systems: A Comprehensive Guide for Automotive Technicians, Lecture notes of Automobile Engineering
A comprehensive overview of starting and charging systems in automobiles. It covers the essential components, their functions, common causes of malfunctions, and preventive maintenance tips. Well-organized and easy to understand, making it a valuable resource for automotive technicians and students.
Typology: Lecture notes
2015/2016
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STARTING AND CHARGING SYSTEM
WHAT IS STARTING SYSTEM?
The Starting System converts electrical energy from
batteries into mechanical energy to turn the engine over.
A malfunction within the starting system will make it
difficult to get the engine running.
Main Components of Starting system:
Ignition Switch/ Start Button
Starter Solenoid
Starter Motor
Battery
Parts of Starter Motor
Primary Causes of Starting System Malfunction
1. Battery Charge. a battery a low/ poor state of charge will place abnormal stresses on the starting system. 2. Excessive heat. a starter motor can become damaged if it operates too long at high temperatures. 3. Excessive vibration. if starting system components are poorly or loosely mounted to the vehicle’s engine. 4. Corrosion, dirt, and dust. Starting system components less efficiently when corrosion forms or dirt particles build up around wire and cable connection points. 5. Improper use of starting fluid. Overuse and / or extended use of starting fluid places abnormal stresses on starting system components. 6. Defective solenoid. If the starter fails to engage or fails to stay engage, the pull-in or hold-in coil may be defective or the wiring to the solenoid is bad.
Charging system
Deliver electrical energy to power the vehicle while its running and
sustains the battery’s charge.
Components of charging system:
Alternator
Stator
Rotor
Rectifier
Terminals
Battery
Voltage Regulator
Components
Alternator. Generates electrical currents to make sure
that the battery of the vehicle stays fully charged.
Stator. It is made up of wire coils around an iron
housing and absorb the current produce by Rotor.
Rotor. Is a moving part component of an
electromagnetic system in the alternator.
Rectifier. converts the alternating current produced by
the rotor to direct current that the battery can use.
Cont.
Voltage Regulator.
is designed to limit the voltage output of an
alternator to 14.5 volts or less to protect the electrical
system.