Posted by Bill Carr on September 09, 2008 at 17:40:20 from (206.125.150.71):
A wallowed out rotor notch on distributor (mag.) drive gear forced magneto rebuild. Received the kit today and started the rebuild. Unfortunately, the kit didn"t come with any instructions. I have two separate issues.
1. The metal bar stock that goes through the magneto coil, by which it is mounted to the magnetic posts, is cemented solidly into the old coil, and the new one doesn"t have this steel central shaft. How do you get the metal bar out of the old coil? Burn it out? Drive it out? Or use some sort of solvent? And what kind of cement is used to cement it into the new coil? Something like Red Hand two part epoxy? The old stuff is black in color and hard. I assume the cement is necessary to keep the coil from slipping and turning on its axis under engine vibration.
2. My second issue is on removing and replacing the Distributor drive gear. The gear is brass, with a plastic extension with a notch, which drives the rotor. I encountered resistance when trying to lift the old gear out. I haven"t used any force (yet). The question is, is it supposed to simply slide off of a solid shaft, or is it press fitted onto a little rotating shaft of some sort? It turns easily, of course, but doesn"t want to come off easily.
A second question on this same item, is: is there a fool-proof way to make sure the gears are meshed properly with regard to the position of the main magneto drive shaft?
While the Distributor drive gear won"t come off easily, the little gear that drives it, and slides onto the "d" shaft of the Mag., came out very easily "accidentally" while I was putting the distributor body temporarily back onto the the mag. I can"t be sure that when I slid it back in place, that it went back into the same mesh it was originally in. Any way to be sure it"s right before putting things back together and trying to fire the tractor up?
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