bds1984 1,497 #1 Posted December 7, 2014 Good evening everyone! I'm a long time viewer of this forum and now a first time poster. Anyways, I have a C165 with a K341AS that has thrown me a curveball with the charging system. I'm in the midst of refurbishing the engine so I can enjoy another thirty years from her. What I am experiencing is a no-charging situation. The original stator was outputting 14 volts ac and measured .6 ohms while the regulator was putting out 6-8 volts dc. I then replaced the entire charging system with a new stator AND a three wire regulator. Now I have 15.5 volts ac and .3 ohms at the stator and nothing at the B+ terminal of the regulator. What gives? Faulty new regulator? When I removed the flywheel three of the magnets fell out so could I have glued them in backwards? Thanks for your help guys! Share this post Link to post Share on other sites
oldredrider 2,553 #2 Posted December 8, 2014 If the magnets are not oriented properly you will have reduced AC output from the stator. Reduced AC out put will result in less output from the rectifier. Check pole direction using another magnet. They should be layed out north to south all the way around. Share this post Link to post Share on other sites
Wheel-N-It 2,976 #3 Posted December 8, 2014 If the magnets are not oriented properly you will have reduced AC output from the stator. Reduced AC out put will result in less output from the rectifier. Check pole direction using another magnet. They should be layed out north to south all the way around. Uh Oh, sounds to me like you have one, two, or all three of those magnets glued in backwards. I've had to replace magnets before but thanks to SOI here at RS I did not make the same mistake. Also, the 12 volts you are looking for at the B+ terminal on your regulator comes from the ignition switch (run circuit). So don't look for that problem at the regulator end. Again, that voltage comes from your ignition switch. If you break one of those magnets taking it out, don't worry just glue it back in with the proper polarity. It will still work. Share this post Link to post Share on other sites
bds1984 1,497 #4 Posted December 8, 2014 I sure hope I can remove those magnets, I used some 5-minute epoxy on them. I completely understand the polarity of the magnets effecting the ac output. This is probably a stupid question, but does the regulator only put out voltage when it senses the 12 volts from the ignition switch then? Share this post Link to post Share on other sites
bmsgaffer 2,052 #6 Posted December 8, 2014 I sure hope I can remove those magnets, I used some 5-minute epoxy on them. I completely understand the polarity of the magnets effecting the ac output. This is probably a stupid question, but does the regulator only put out voltage when it senses the 12 volts from the ignition switch then? Welcome! The regulator only works well with the 12V from the battery, otherwise the voltage will run funky. I do believe the stator voltage AC should be somewhere near or between 30 and 50VAC. Something to shoot for. There are chemical epoxy removers you might have to use. Warning: DO NOT USE THE HEAT METHOD to remove the epoxy. Enough heat to remove the epoxy WILL irreversibly damage (discharge) the magnets. Share this post Link to post Share on other sites
bds1984 1,497 #7 Posted January 8, 2015 Well I have it all figured out now. When I had magnets fall out I didn't glue them back in the same way. I never thought of this as this was the first time I have ever experienced it. So after a new Kohler stator and flywheel she is charging better than when it was new. So goodbye to the funky two-terminal regulator in favor of a three-terminal unit and a redone harness. 2 Share this post Link to post Share on other sites
