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TO20 generator terminals

S

SteveinMo

Member
How do I know which one is A and which one is F? There is a — cast into the case near one terminal but I see nothing else.
 
They should be stamped into the casting of the generator next to each of the 2 posts. If there is any old paint they try rubbing some of that off that should help you to find it. If you can identify one then you know the other.
 
Well I removed both wires from the terminals. Wire brushed the area pretty well. This looks like it may be the original generator on my tractor. Still cannot se anything stamped on the generator.
What if I jump started the tractor could I get a voltage reading from one terminal or the other to ground.
 
To check to see if your generator is charging if you do not know if it is or no get a multi meter and set it to DC current. Then put the wires on the 6 volt positive ground battery black to black and Red to Red. It should reads at a steady 7.2 volts is a good number. I would not jump the 6 volt battery to start it only if you have another 6 volt battery to use, I would not put jumper cables on a 6 volt battery from a 12 volt battery. Good Luck!
 
Maybe these pics will help. This is my TO-35 Diesel, but it's a TO-30 generator. Might not be able to see very well, but the "F" terminal is closest to the floor, near the tag (second pic). The "A" terminal is closest to the engine. Front of tractor is to the right in the pictures
mvphoto57481.jpg


mvphoto57482.jpg
 
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