Posted by Bill Ellis on September 04, 2008 at 19:14:32 from (74.36.77.224):
My inherited tractor is a 53 NAA. The charging system has been giving me fits now for over six months. A forum member, John T, posted a trouble shooting guide, but I think it was for an A circuit system. I tried to IM him but it that feature isn't working. does anyone know what modifications must be made to his system for a b circuit?
New battery ( 6 Volt Pos grnd). New VR (6 volt B circuit for NAA) New Ammeter. And finally a new generator from this site to fit a Jubilee.
Wiring is exactly as Jubilee wiring diagram shows. All connections cleaned. Still shows no charge! Tractor running at idle a test across battery posts shows 6.1 volts. Tractor at 1500 RPM shows the same 6.1 volts With key on, tractor not running the ammeter doesn't move from center Polarized new generator field to battery hot (neg post) Still, it appears that there is no charge to battery. Any and all help would be very welcome
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Today's Featured Article - A Cautionary Tale - by Ian Minshull. In the early 1950s my father bought an Allis Chalmers B and I used it for all the row crop work with the mangolds and potatoes, rolling and the haymaking on our farm. The farm and the Allis were sold and I have spent a lifetime working on farms throughout the country. I promised myself that one day I would own an Allis. That time event
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