Posted by Texasmark1 on July 05, 2012 at 13:08:21 from (67.142.164.20):
In Reply to: Re: 4020 cranking posted by martye on July 05, 2012 at 07:48:43:
I've had a lot of tractors and I am a senior citizen....memory thing. I have had a 4020 with the 24 volt system and a 4010 with the 12v system, 4230 12v system, along with half dozen Fords, MF's, IH products, and who knows what all.
My comment was made from my memory of my 4020 24 volt system and I had that tractor like 20 years ago. I am remembering a very complicated switch, diameter of which was larger than a silver dollar, that had + and - 12v inputs (the way the 24v system was setup....+12v to -12v = 24v....that is why I associated it with my 4020. I do not remember if it started with a button or just turning the switch to start...just don't remember. I have some Fords that had both and remember the MF was key start. Don't remember on the IH. I was of the impression that it was the latter.....key start on the 4020.
You are not talking about rocket science. Heat is making a conducting path somewhere for voltage to get to your starter solenoid energizing coil in a sufficient amount that it can close the contacts and spin your starter. There is a path and heat has something to do with it.
Tell you what. Next time you start your tractor, remove the hot small wire from the starting solenoid after you get it started. If you need to restart it, touch the wire to the terminal, get it running and remove it. See if it self starts under that condition.
I'm not there so this is the best that I can do from here.
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