Question 169Motor Plants - Assistant Engineer
70% to passIn a Bendix starter drive, the pinion engagement with the flywheel ring gear is initiated by_______________.
ABendix spring pressure
Bstarter drive shaft rotation
Ca differential spring
Dsolenoid throw out action
AI Explanation
The correct answer is B) starter drive shaft rotation. In a Bendix starter drive, the pinion engagement with the flywheel ring gear is initiated by the rotation of the starter drive shaft. As the starter motor turns the drive shaft, the Bendix drive mechanism causes the pinion gear to extend and engage with the flywheel ring gear, allowing the engine to be cranked. The other options are incorrect because: A) Bendix spring pressure helps retract the pinion gear when the engine starts, but does not initiate the engagement. C) A differential spring is not involved in the Bendix drive mechanism. D) Solenoid action controls the electrical power to the starter motor, but does not directly engage the pinion gear.
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