The pic with the armature shaft flush with the front of the starter housing is the normal position. Drop the rear plate off the starter and check out the fiber thrust washer- - - -it's probably worn or missing.
Jerry

"It is better to be silent and be thought a fool than to speak and eliminate all doubt!" - Abraham Lincoln
Cringe and wail in fear, Eloi- - - - -we Morlocks are on the hunt!
There is nothing noble in being superior to your fellow man; true nobility is being superior to your former self. - Ernest Hemingway
Love your enemies and drive 'em nuts!