Posted by rumplestiltskin on December 19, 2010 at 06:32:10 from (75.5.235.59):
In Reply to: 300U.... posted by Dellbertt on December 19, 2010 at 05:39:47:
If it works, don't fix it -- right, Dell?
My case was a little different. I bought a 350 Utility about a year and a half ago. The ammeter read +30 amps with the engine off and the battery disconnected(!). When I connected the battery and turned on the ignition switch, the ammeter would snap to zero. So...with John T.'s help I found and fixed an internal short in the 12V generator. I still had the weird ammeter and no charge. I pulled the cover off the regulator, and inside was essentially a lump of rust about the size of my fist. I read the archives regarding electronic regulators, mechanical regulators, reliability, and U.S. vs. foreign-made. After checking prices and availability, I decided to go with a three-wire alternator and new backlit gauges (replacing the ammeter with a voltmeter). I drew up a schematic, bought the parts (my Christmas present last year), and installed them -- replacing every wire except the battery cables. And so far, so good. The alternator kicks in at even the lowest RPM and voltage is always a hair over 14, with nice bright lights and plenty of power for accessories. (The ammeter sits in a box on the workbench, still optimistically reporting a 30 amp charge.)
I suppose the bottom line is that a well-designed and well-maintained system will get the job done whether it's 6V or 12V, and a large part of the restore-or-redesign decision depends on what we find when we start troubleshooting.
One thing about this tractor is that it always seems to start on the first revolution. I hit the button, and it's usually running before I can release. Whether that's good design, good maintenance, or just good luck, I'll take it!
Anyway, it sounds like we're both happy with what we have. How often does THAT happen? :-)
By the way, what town are you near? I'm just outside Rockford (a little north of Grand Rapids).
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