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Subject: 9N single terminal generator overcharging

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Alex Abbott    Posted 11-09-2019 at 16:10:39 [URL] [DELETE]        [Reply] [Email]  
  • 9N single terminal generator overcharging
  • Hello!

    I have a 9N with a single terminal generator that is overcharging. When you increase the RPM of the engine, the ammeter will climb with the rpm of the engine. If you open it to wide open, the ammeter shows that it is neat 20a charging. Also when it is overcharging like that, the engine runs really bad until you throttle it down, and may even stall!

    Does this sound like a voltage regulator, or the generator its self? Note, I haven't tried adjusting the screw on the back of the generator, still working on getting some of the paint off so i can turn the screw!

    TPD    Posted 11-13-2019 at 04:32:24 [URL] [DELETE]        [Reply] [No Email]  
  • Re: 9N single terminal generator overcharging
  • 9N/2N ELECTRICAL DIAGRAMS:




    FORD 9N/2N TRACTOR ESSENTIAL OWNER/OPERATOR/PARTS/SERVCE MANUALS:

    HCooke    Posted 11-10-2019 at 08:19:48 [URL] [DELETE]        [Reply] [No Email]  
  • Re: 9N single terminal generator overcharging
  • There is no voltage regulator on a 9N. There is a cutout which simple prevents current flow back to the gen when the engine is off. The only 'voltage regulator' is the adjusting screw. I cannot imagine how an over charging generator would make the engine miss at high rpm's. This sounds like a different problem.

    JMOR    Posted 11-10-2019 at 17:28:29 [URL] [DELETE]        [Reply] [No Email]  
  • Re: 9N single terminal generator overcharging
  • agree 100%

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