Ignition Switch
The starter circuit
is activated when the ignition switch is turned on. This opens a second
switch in the solenoid, permitting a second flow of electricity from
the battery to the starter motor.
The engine cranking
circuit is made up of a battery, starting motor, ignition switch, and
electrical wiring. When the ignition switch is placed in the "start"
position, the solenoid windings are energized and the resulting shift
lever movement causes the drive pinion gear to engage the flywheel ring
gear, and cranking takes place.
When the engine
starts, an overrunning clutch (part of the drive assembly) protects
the armature from too much speed until the switch is opened. At this
time, a return spring causes the pinion gear to disengage from the flywheel.
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