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Farmall & IHC Tractors Discussion Forum
Show Parts for Model:

super H voltage regulator

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steven in tn

11-09-2012 16:49:01
64.12.116.73



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neighbor has a super H tractor think the voltage regulator is goin out. how do i need to check it?




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Janicholson

11-09-2012 18:52:30
96.24.99.126



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 Re: super H voltage regulator in reply to steven in tn, 11-09-2012 16:49:01  
The post below will help diagnose it if these simplified ideas do not get there.
First is to measure charging voltage. With the battery charged to full (overnight with a 2 amp charger, or smart charger that tapers the charge, measure the resting battery voltage 6.3 volts if a 6v battery 12.6 if a 12v battery. If lower, than 6.15, or 12.3, the battery is suspect.
Next start and run at 3/4 throttle, no lights. it should be at 7.1 to 7.5 volts if 6v, or 14.2 to 14.8 if 12v.
If still battery voltage, it is not charging.
(a needle style volt meter may be needed to accurately diagnose the voltage (digital meters tend to be wild on these noisy systems)
If it is wild and variable with a good meter, the VR might be going. Jim

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