My brother in law was using my Dad's B last winter when it stalled under a load. He got it to restart but then it stalled again and wouldn't crank. It's 6V and he didn't want to use 12v to jump it so he shut it off and left it. This was in February when the weather was wet and just around freezing. I pulled it out of the field this weekend and checked it over. The battery was flat, so I put the charger on the starter connection and the ground at the tractor. No charge. I pulled the battery cables and put the charger on the battery terminals, it was happy to take a charge. I cleaned the terminals and put it back together, in 15 minutes it started right up. it points out the importance of clean connections for 6V. He had noted that it wasn't charging, so I set it to high charge, and it registered 15A. Again, clean terminals. While it was running I noticed the carb had a grey sheen and wet look to it. I pulled the oil cup off the breather and sure enough, grey water/dirt/oil mix was found. I cleaned it off and all was happy. This tractor no longer has the air cleaner cap, the water wasn't a problem until the tractor was used on a wet day. The original stall was caused either by no power to the coil, or the water in the cup freezing with the rush of cold air under wide throttle conditions. Of course, with no cap over the air intake, water would have been a problem sooner than later, and the dirt will always be there. I must confess this has made a believer in battery cable and air cleaner maintenance out of me. Hopefully someone else can profit without being shut down first.
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