Farmall C Generator.

EDW · Sep 16, 2008

Hello Folks; Can a muti-tester be used to check the output of a generator? I checked both posts to ground separately and the meter shows no reading. Does this sound correct? Thanks in advance!!!

doome22 · Sep 16, 2008

I believe if you hold a screwdriver to the back of the generater housing with tractor running it will pull it like a magnet if it is working.

teddy52food · Sep 16, 2008

Sounds like it is not charging. What does the ampmeter show? Ground the field terminal and see if your ampmeter shows a charge. If it does, the regulator is bad. If not the generator is bad.

EDW · Sep 16, 2008

Hey doome22; That is something I had not heard of before. I will check that. Thanks.

EDW · Sep 16, 2008

Hey teddy52food; Thanks for the info. This quick check will let me know what is happening. Thanks.

John T · Sep 16, 2008

EDW, Put that volt meter on the battery and when shes setting the voltage ought to be 6.3 volts if a 6 volt and 12.6 if a 12 volt. Then start it and run it at high RPM and iffffffffffff shes charging the battery voltage should rise, 6.5 to 7 or so if a 6 volt and 13 to 14 or so if a 12 volt. If it does that its charging, if not its NOT.

To see if the non charging is due to a bad genny or a bad Voltage Regulator see Para 5 in my Troubleshooting Procedure.

Heres a URL Link for my Troubleshooting for non charging

http://www.ytmag.com/cgi-bin/viewit.cgi?bd=farmall&th=665110

John T
John Ts Troubleshooting Procedure

Bob M · Sep 17, 2008

Doome/EDW - That test works only on alternators!

doome22 · Sep 17, 2008

Thanks for the info didnt no that

EDW · Sep 17, 2008

Hey John T and Bob M; Just got your posts. Thanks!! All this info will help me much!!!!

Farmall C Generator.

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