Posted by Kris A NC on April 14, 2014 at 06:36:12 from (108.166.144.209):
Ok guys, kinda baffled here. I was working the 12V 4020D 1967 this weekend to plant some clover. Got done and parked the tractor (shut it down) so I could clean the drill out. I come back out after supper and I start it back up and proceed to put the drill away and turned off the tractor. It wouldn't stop running...I moved the throttle all the way up and it was like chugging really slow. I moved the throttle back to run and it took off again. I tried this several times and got the same results. I turned the fuel off at the tank and tried to "clutch it" as I was not sure what was happening and thinking maybe a fuel issue, but wasn't really sure. At this point I saw smoke coming from the starter. I ran to get a wrench and pulled the cables off the batteries and they were hot....the negative cables. It stopped finally and smelled of burning electrical....the starter was dripping... I went out yesterday and hooked the batteries back up and nothing happened. I hit the starter button and the starter chugged slowly again and the starter continued to run again until I removed the battery cables. This is a "new" Iskra starter ordered in December. I have had no other issue with it until this point. I had to clean the battery connections that were corroded Saturday morning before I started and that is all the work I have had to do to the tractor recently.
So what could have happened here? The starter seems like it is shorted internally. I am just sort of baffled here. What part of the electrical system could have caused this? The batteries, the battery cabling (I asked about replacing this earlier last week) or could it have been something with the starter itself? I have heard great things about these starters from others so I am looking for any help here...
The starting system is as follows.....
starter button to solenoid mounted on side of dash to solenoid mounted on the starter as is recommended here for proper hook up.
Thanks guys and sorry for all the questions lately...trying the best I can right now with the cards dealt. Your help is always greatly appreciated.
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Today's Featured Article - Madison's County - by Anthony West. Philip Madison has been a good friend of mine for quite some time. He has patiently suffered my incessant chit chat on the subject of tractors for longer than I care to remember, and on many occasions he has put himself out, dropped what ever it was he was doing, to come and lend a hand cranking handles, or loading a find onto a trailer. Although he himself has never actually owned or restored a tractor, he was always enthusiastic and always around helping with other peoples projects.
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