The following will do it: Take pictures!!! Clean with Electric motor cleaner spray.
Remove the bushings in the drive housing, and brush end frame. The blind hole can be difficult, use a good hacksaw blade cut to a 45* angle to cut through the bushing. The drive end bushing will push out with a small socket or square end shaft that is correct to push on the diameter.
The armature should be true and flat. A lathe is best. A drill press is next with a sharp flat file, followed by polishing with 400 grit to smooth.
The mica insulators between each segment of the commutator should be undercut. It can be done with that hacksaw, but is easier with a Dremel and tiny cutoff saw Make a jig to V the commutator, and hold the tool in alignment. Cut only 1/32 deep below the copper.
Purchase a new style cushion drive pinion (small wimpy looking spring, much better design)
Reassemble with moly grease in the bearing pocket and in the drive end bushing.
Get help (four hands) or use stiff wire to hold the brushes back while putting the armature into the brush end frame.
Put on the band and paint it black. Best of luck. Jim
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Today's Featured Article - Picking Corn - by Rick Nikolich. It was the day before Christmas shutdown at work and I asked our lead engineering expert Scott Andrzejewski what he was going to do over the holidays. He said that he had some corn that he still needed to pick with an antique one-row New Idea corn picker. Scott has a nice farm about an hour north of Lansing in St. Johns, MI. He wanted to get the rest of his corn in by the next day (Christmas Eve). We had about an inch of new snow on the ground and single digit temperatures. So in the bac
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