Cedric - To reverse starter rotation, the brush connections must be rotated electrically 90 deg releative to the fields. 2 ways to do this:
1 - Rotate the commutator end plate 90 deg from its present position (Which direction doesn’t matter)
It’s not easy to accomplish. New holes for the thrubolts are required in the end plate, a new hole located/drilled for the commutator plate locating pin, and the field conductors (copper straps) repositioned/reconnected to the insulated brush holders. It also now puts the end plate bushing oiler in an odd position.
-or-
2 - The field shoes/coils can be removed and reinstalled inside the frame rotated 90 deg. Again this requires repositioning and reconnecting the copper field straps to the insulated brushes.
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Of course you need the a new bendix for the opposite rotation – which you’ve already done.
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Were the starter mine I’d take it to an old time starter/alternator shop tell them what you need, and let them rework it. Alternatively I'd sell the starter you’ve got and use the proceeds to help pay for a rebuilt “correct” starter for your W-4.
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Today's Featured Article - Uncle Cecil's Super A Lives Again - by Mike Purcell. A week or so out of most of my childhood summers was often spent with my Uncle Cecil and Aunt Sissie in the small East Texas town of Maydelle on their 80 acre farm. Some of my fondest memories of these visits are those of learning to drive a tractor at the helm of Uncle Cecil’s 1948 Farmall Super A. Uncle Cecil was the second owner of this wonderful little tractor, but it was almost as though he had adopted an infant. The original owner was a man from Minnesota who bought her from a local dea
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