Posted by Steve@Advance on August 28, 2017 at 04:37:03 from (24.182.105.179):
In Reply to: Re: Starter Issues... posted by Bill VA on August 28, 2017 at 02:36:57:
Bill, the problem isn't the starter drive (Bendix) itself (unless it's the wrong drive, too long).
What happens is the shift fork, (that initially pulls in the drive), that is attached to the plunger, when the drive is spiraled out to the end of the shaft, the torque of the starter then holds the drive against the thrust washer at the end of the starter housing. That in turn holds the plunger seated in the solenoid TOO DEEP, which holds the button in the end of the solenoid (which makes the contacts that spin the starter) IN when it should have a little slack, just enough to release the contacts when power is removed from the excitation coil.
It's a little hard to understand at first, but if you take the starter apart and study each component, it will make sense. Somehow there is wrong geometry between the plunger, shift fork, and drive travel. It's not a real common problem, but can be a mind bender when it happens. Typically it is the thrust washer is missing behind the snap ring that holds the drive on the shaft, the wrong starter drive, or the shift fork is bent or has an offset and is in backward. If you can't find a solution, take the starter to a starter/alternator/generator shop. They have seen this before and will be able to spot the problem.
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