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AUTOMOTIVE STARTING SYSTEMS
DC Starter
Starting System Principles
Uses battery power
AUTOMOTIVE STARTING SYSTEMS
Starter Circuit
Electric DC Motor (starter motor)
Solenoid or Relay
Gear Drive Switches & Controls
Wiring
Testing
Removing Starter
STARTING SYSTEM PARTS
Battery
Ignition switch
Solenoid
Starting motor
STARTER CIRCUIT
Battery / Cables
Magnetic Switches
Solenoids
Pull in Windings
Hold in Windings
Pinion Gear
Starter Relay
Starter Circuit Simplified
Starter Solenoid Functions
* Close battery to starter connection
* Push pinion gear into fly wheel
* Bypass the resistance wire of ignition circuit
Move the starter drive into mesh w. flywheel
Complete the starter circuit
Starting System Action
Energizes solenoid
Current flows to Solenoid
Turn key
Connects current to starter motor
Motor turns flywheel
1
Turns starter
Moves pinion forward
Starter System Action cont.
Starter Motor Fundamentals
Converts Electrical Energy
From Battery
Into
Mechanical Energy TORQUE
DC MOTOR
Basic Components
Housings and End Frames
Pole Shoes (magnets)
Field Coils
(windings) x 3 or 4
Armature (spins)
Commutator
Brushes x4
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