Posted by Bob M on June 07, 2012 at 20:29:00 from (69.207.87.163):
In Reply to: Hot alternator posted by Paul in SC on June 07, 2012 at 20:10:54:
Paul - A 10 SI alternator WILL run hot when operated at maximum amp output for more than a few minutes. And a low battery can cause this.
Try putting the battery on a charger overnight, then run the tractor again. A couple minutes after startup the ammeter should settle around 3 - 4 amps charge, and voltage across the battery should be between about 14.2 and 14.8 volts (lower temperature = higher volts)
If the voltage stays 13.8 to 14 and the ammeter reads high, problem is the battery not taking a charge and should be replaced. But if the voltage is within spec and the ammeter shows a few amps of charge there's a problem with the new alternator.
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