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  #1  
Old 05-04-2016, 11:56 AM
jnunnie jnunnie is offline
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Default 2182 altenator output

Hello,
The alternator on my 2182 is putting out 37 ac volts at WOT, is this correct or is this why my regulator seems to be kaput? Seems like they're usually 28-30 volts?
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Old 05-04-2016, 12:19 PM
R Bedell R Bedell is offline
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Quote:
2182 is putting out 37 ac volts at WOT
That depends on the accuracy of your meter. That is not that far out. The bigger issue is, what is the "output voltage"...???

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Old 05-04-2016, 01:45 PM
jnunnie jnunnie is offline
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It's a hi dollar Fluke DMM, so hopefully it is accurate. The DC volts out of the R/R is only battery voltage (12.3), measured across ground and red wire, I believe that should be the charging wire. But I checked the others and I'm only getting battery voltage. I Guess I'm going to try a new three wire R/R.
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Old 05-04-2016, 02:11 PM
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Sam Mac Sam Mac is offline
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The last 2182 that I had I replaced the Kubota VA with a Kohler VR part # 41-403-10-S
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Old 05-04-2016, 02:25 PM
R Bedell R Bedell is offline
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Quote:
The DC volts out of the R/R is only battery voltage (12.3)
It should be around 14.5VDC. Looks like you need a new Regulator.
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Old 05-04-2016, 11:20 PM
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Check and clean all the electrical connections between the alternator and regulator before replacing parts.
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Old 05-05-2016, 12:31 PM
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FrankF3 FrankF3 is offline
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Under what conditions are you measuring the 37 VAC at WOT? disconnected from the battery? At the input of the regulator? The Kobota voltage regulator has a built in voltage reference source that limits the output and shuts down the output to stop charging once the battery is fully charged. So, if the 37 volts is measured at the input, while the output is about 13V then you are ok. The regulator will be shut off and not allow additional charging of the battery. The Kubota regulator is not a simple rectifier. I have an internal schematic of it around here somewhere if I can find it.
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Old 05-05-2016, 12:36 PM
R Bedell R Bedell is offline
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Quote:
the output is about 13V then you are ok
Most Rectifier/Regulators are calibrated for an output of ~14.5VDC. 13 Volts is too low.
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Old 05-05-2016, 12:40 PM
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Sorry, typo meant to put in 14 V
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38" Lawn Sweeper #196483
42" L42 (Bush Hog) Rotary Cutter # 190349
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48" Haban Rotortiller Rear PTO Driven #190356
54" SnowBlade with hydraulic Angle #196376
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Old 05-05-2016, 12:50 PM
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Offhand the only item I can come up with right not is from the IH servive manual. It states.... Alternator no load output AC volt or more @ 5200 RPM @20 volts.

Voltage Regulator Regulating voltage 14 to 15 Volts
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42" L42 (Bush Hog) Rotary Cutter # 190349
45" 2-Stage Snowblower # 196364
48" Haban Rotortiller Rear PTO Driven #190356
54" SnowBlade with hydraulic Angle #196376
60" Haban Mowing Deck #196374
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