Posted by rhtx55 on December 01, 2014 at 15:59:18 from (68.191.209.251):
In Reply to: IH 3514 generator posted by undoctor on December 01, 2014 at 13:38:40:
If there is enough mica (red stuff)left between the commutator bars, carefully lower the spaces between them around a 1/32 to 1/16 of an inch with a narrowed hacksaw blade, ground to just fit the groove.
Keep them all even by counting the strokes, then polish the commentator chucked in a drill press with sand paper. Do not use emery cloth. and blow residue off with compressed air.
If the brushes have worn a groove into the commentator, a machinist can true it back up for you, then repeat the above process.
Replace the brushes with new ones of the correct grade.
Any local starter / alternator shop can re-cut these grooves for you, most have a machine designated for this purpose. Most could rebuild the generator for you.
This post was edited by rhtx55 at 16:34:33 12/01/14 4 times.
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