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02sierra

regulator rectifier

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02sierra

can someone tell me a simple way to test the regulator rectifier. and if its screwed where do i get one

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rmaynard

Generally, a regulator/rectifier can be tested by using a multi-meter.

The two AC leads coming from the engine supply about 30 volts AC at 3600 RPM. When properly connected to the R/R, and with the R/R properly grounded to the chassis of the tractor, +/- 14.5 volts DC should be present between the third terminal and ground.

The most important things to check are clean connections on the regulator/rectifier, and that the regulator/rectifier is properly grounded. Take it off and clean the surfaces where it mounts.

If after that, you don't have proper voltage, replace it with a known good used one for about $20 from eBay or other source, or you can buy a new aftermarket one for about $38. A new Toro brand is still available, but it is pricey.

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02sierra

where can i buy new aftermarket parts for these id there a site just for future reference. and thanks alot for the reply.

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rmaynard

I just do a Google search for Kohler regulator/rectifiers. Here is one link that I found.

http://www.milfordpower.com/R10297-Kohler-...or-p/r10297.htm

Also, search the number R10297 and see if you get a better deal somewhere else.

I saw one on eBay for about $38.00 last week.

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02sierra

awesome thanks milford power equipment is about an hour from my house

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02sierra

i put the new one on and i am getting 14,5 volts ac instead of dc why is that

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rmaynard

Are you sure you are on the correct meter setting? Are you sure that the stator leads are connected to the 2 AC or input lugs? Are you checking the output voltage between the (+) lug and ground?

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02sierra

im putting my meter between the orange wire that goes to key to ground. on dx i get 8 volts on ac im geting 14,6 volts

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rmaynard

Did you check to see what your stator voltage is at 3600 RPM?

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02sierra

rite around 30

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02sierra

im gonna try doing a real ground with connectors and wire and if that doesnt work i dont know whatll happen if i hotwire the orange coming off the rectifier rite to the positive side of the battery

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rmaynard

At what RPM are you reading your output voltages? Because of the way that regulator functions, you will also get a reading on the AC scale. The AC reading will be higher than the DC. At idle, a lower than normal voltage will be present. The readings should be taken at full throttle (34-3600 RPM).

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02sierra

yup it was at wot now im thinking its the key switch cause its charging but when i shut it odd it loses charge

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