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Garden Tractors Discussion Board

Re: Kohler K series

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Posted by Tom Arnold on August 15, 2012 at 12:24:31 from (

In Reply to: Kohler K series posted by Vernon in Ks on August 15, 2012 at 11:26:52:

Stators come in different amperage ratings. You need to determine if the stator you have is OK or not.

Get your hands on an ANALOG MULTI METER.

Begin by using the OHMS scale. This determines resistance.

Disconnect the stator from the regulator. Put one lead from the meter to each wire coming from the stator. You should see the needle of the meter swing right across the scale.

If that does not happen, then check the meter by touching the two probes together. The needle should make that swing to the other side.

If the meter did make the swing both times, then touch one probe to the engine block where it can make a good ground. Then touch each wire coming from the stator, one by one. The meter should not move. If it does, then the stator coil is shorted to ground and a replacement is required.

If the stator checks out OK that way, then you need to change the meter setting to AC VOLTS on the lowest setting. Start the engine and put the probes across the two stator wires again with the engine running at half throttle or better. You should get a reading of 24 to 28 Volts AC. If you do, then there is nothing wrong with the stator.

Plug in the rectifier. It should have a metal case somewhere and that case is NEGATIVE. It should also have another wire coming out of it. That lead is POSITIVE. Switch your meter to DC VOLTS - lowest setting. If you have the meter leads plugged in correctly, then touch the RED meter probe to the wire coming out of the rectifier and the BLACK meter probe to the metal case. You should read about 13.6 Volts DC. If you don't, then the rectifier is most likely kaput.


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