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International 140 Voltage Regulator

Farmall Super A, AV, 100, 130, & 140 1939 - 1973
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fitzchavis
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Tractors Owned: 1965 International 140
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International 140 Voltage Regulator

Postby fitzchavis » Tue Jul 06, 2021 12:00 pm

All,
Can anyone tell me the purpose of a 12v voltage regulator used on a 12v generator?
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SamsFarm
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Re: International 140 Voltage Regulator

Postby SamsFarm » Tue Jul 06, 2021 12:51 pm

A voltage regulator keeps the voltage within a certain volt range.

Too much votage is a bad thing!
Last edited by SamsFarm on Wed Jul 07, 2021 7:59 am, edited 1 time in total.
1968 Cub Fast-Hitch
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Gary Dotson
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Re: International 140 Voltage Regulator

Postby Gary Dotson » Wed Jul 07, 2021 7:01 am

The voltage regulator controls current flow through the field coil of the generator. It increases or decreases the flow to cause the generator to charge more or less to maintain battery voltage within a given window. Someone with a more technical mind may explain in greater detail but that’s the basics of it.
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