Starting System: Description and Operation
INTRODUCTIONStarting System:
The starting system has:
- Ignition switch
- Starter relay
- Neutral starting and back up switch
- Clutch pedal position switch
- Wiring harness
- Battery
- Starter motor with an integral solenoid
SYSTEM OPERATION
Bosch Starter
The Bosch is a permanent magnet starter motor. A planetary gear train transmits power between starter motor and pinion shaft. The fields have six permanent magnets.
- The starter provides mechanical torque to rotate the engine crankshaft at a rpm (crank speed) necessary for self-sustained spark / ignition.
Supply Circuit And Control Circuit
The starter system consists of two separate circuits:
- A high amperage supply to feed the starter motor.
- A low amperage circuit to control the starter solenoid.