New altenator Yanmar 169: Yanmar Tractors  -- Other Tractor Brands Discussion Forum and Review New altenator Yanmar 169: Yanmar Tractors -- Other Tractor Brands Discussion Forum

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 07-02-2018, 15:09 Post: 197829
jman50



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 New altenator Yanmar 169

I am replacing the original alternator on a Yanman 140YM69 (bad bearings) with new HAL-1215 alternator. Orginal wiring on old alternator had 2 wires wired with wire nuts no plug to tractor wiring. I installed new alternator, then with tractor running I now measure 25 volts AC at new alternator. My question as this is AC volts , I assume polarity should not be of concern when connecting to the tractor wiring? The other question is the 25 volts normal at a high RPM of tractor it looks pretty constant even when RPM reduced? Wires travel to what is shown on print as a current limiter. Any advice would be appreciated. I am trying to be a little cautious here before connecting wires to current limiter. Thanks






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 07-02-2018, 16:18 Post: 197830
jman50



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 New altenator Yanmar 169

New alternator AL 1215





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 07-02-2018, 16:20 Post: 197831
jman50



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 New altenator Yanmar 169

Print designated current limiter





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 07-02-2018, 16:23 Post: 197832
jman50



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 New altenator Yanmar 169

Print from tractor manaual





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