Its the voltage at/on the battery that really matters NOT the open unloaded output of the genny only. That being said, I DONT THINK I WOULD DO ANYTHING FOR A WHILE. Right after a start up its normal for her to charge at a fairly high output, but after a while she ought to back off, see if that happens after 30 or so minutes at fast RPM. Yes 15 sounds a bit high IF THE METER IS ACCURATE??? and if it stayed there a long time you may overcharge and boil over. Id expect after a while it (battery voltage) should back off to like 13 to 14 volts depending on battery and genny and RPM.
Keep an eye out for excessive outgassing and/or acid boil over and have the battery tested and if its okay run her a while BEFORE messing with the VR, it may be doing its job or you meter may be off??
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Today's Featured Article - Tractor Traction - by Chris Pratt. Our first bout with traction problems came when cultivatin with our Massey-Harris Pony. Up till then, this tractor had been running a corn grinder and pulling a trailer. It had new unfilled rear tires and no wheel weights. The garden was already sprouting when we hooked up the mid-mount shovel cultivators to the Pony. The seed bed was soft enough that the rear end would spin and slowly work its way to the downhill side of the gardens slight incline. From this, we learned our lesson sinc
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