STARTERSStarter is a device that sets an engine in motion. Starters are used to start the engines of many vehicles, including cars, trucks, locomotives.Car starters consist of three main parts:
(1) a motor
(2) an overrunning clutch, and
(3) a solenoid.
The motor is operated by electricity supplied by the car's battery. The overrunning clutch connects the motor to the car's engine and enables it to turn the engine's crankshaft. The solenoid acts as a switch between the battery and the starter motor. It also controls the action of the overrunning clutch.
When the driver turns the key in the car's ignition, current flows from the battery to the solenoid. The electricity produces a magnetic field around the solenoid, pulling in a plunger. When the plunger is in this position, it connects the car battery to the starter motor. As a result, an electric current flows through a cylindrical coil, called an armature, in the starter motor. This makes the armature begin to rotate.
At the same time that the plunger connects the battery with the starter motor, it forces a shift lever to push the overrunning clutch onto the drive shaft of the motor. The overrunning clutch moves the notched teeth of the pinion gear into mesh with those on the flywheel, making it spin. The flywheel turns the crankshaft, which moves the pistons and sparks the engine, thus starting the car
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