Posted by John M on March 10, 2017 at 06:40:36 from (104.129.204.54):
Well, I thought I had this battle won last year, but its reared its ugly head again. I mentioned last year I thought the battery was bad, and you all agreed, but let me recap the issue. Engine will run all day, as long as I dont engage the deck. When the deck is running, electric clutch btw, the battery will die after a couple of hours or so. At the time, I was getting 14.3 volts back to the battery when running. I replaced the battery, and all seemed well, as the mower always started after that. With the warm weather we had been having, I decided it was time to get the mowers ready. I charged the batteries, and installed, everything went fine. Decided Id knock down the wild onions, so I ran this mower for about 2 hours doing that. Yep, battery died.
So I pulled out my meter and started checking. I have 12.4 volts at the battery, and at each place I should have battery voltage. Had to jump it off, but I only had 12.2 - 12.3 volts while running, so that tells me charging system is faulty. (Both fuses were good btw.) At the regulator/rectifier, 3 terminals, at B I get the same reading of 12.3 - 12.4 volts running or not, at the other 2, what A1 and A2 or something, I get 49 - 50.1 volts while running with the connector OFF of the reg/rec, but connected no volts.
First question, even connected to the reg/rec, shouldnt I see the same voltage? Second, thats high for what Ive read. If its suppose to be between 28 - 32 volts, does it sound like the stator is putting out more than the reg/rec can handle and burned it out? What would or could cause this pike in voltage?
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