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generator not working

F

Farmall200

Member
I recently had my generator commutators freed up as they were stuck and had the gap set on the voltage regulator, so the charging system worked great for about 3 months on the Farmall.
Then I put a little too much oil in the oil cup on the generator and now it stopped charging.
What can I do to fix this without having to take it back to the repair shop?
 
As gene said, give it a good clean. Make sure the commutator and brushes are completely free of oil. Do not use anything which will score the surface of the commutator segments or the brush faces.
As to fitting an alternator, I personally would never do it. I could not bring myself to look at the thing on one of my tractors, and my Farmall M is a daily workhorse. When the starter motor does not want to get it going, my 70 year old mother can crank start the M. Moreover, a properly looked after generator will give years and years of service. Yours is unlikely to have suffered any damage. A clean will make it work just fine.
SadFarmall
 
Agreed. I have had my generators quit charging when they have been oiled too often. The manual states "Use 8-10 drops of SAE-20 oil. Do not lubricate excessively since gumming of the commutator may result in a reduction of the generator output". I have never seen one gummed but a slight film of oil combined with a little bit of carbon dust from the generator will stop them from working.

My opinion: There is no need to switch to an alternator unless a tractor will not start well on 6 volts. Generators with good wiring, good battery cables, and properly mainainted will be relatively trouble free. I have had problems with WD-9's that are left outside and the regulators get moisture in them--they are not under the hood so even new regulators will leak.
 
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