Posted by chas036 on September 22, 2019 at 17:00:37 from (67.246.135.201):
I have a JD-B that after starting it for the last three years without problems, all of sudden the positive 12 volt battery post started turning black causing the tractor not to start until I remove the cable and polish up the post. After this, for a couple of weeks, the tractor starts good, and then all of a sudden it won't start, and I have to repeat the process and clean the posts again for it to start.
The battery is only three years old and still holds a good strong charge. What can cause this problem make the positive post turn black, and is there a way to stop it without getting a new battery?
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Today's Featured Article - Tuning-Up Your Tractor: Plugs & Compression Testing - by Curtis Von Fange. The engine seems to run rough. In the exhaust you can hear an occasion 'poofing' sound like somethings not firing on all cylinders. Under loaded conditions the tractor seems to lack power and it belches black smoke out of the exhaust. For some reason it just doesn't want to start up without cranking and cranking the starter. All these conditions can be signals that your unit is in need of a tune up. Ok, so what is involved in a tune up? You say, swap plugs and file the points....now tha
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