I desperately need a service manual for a Kohler Confidant 4 generator

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Help in the link, it is common.

https://www.google.com/search?q=Kohler+Confidant+5+Generator%2C+no+power+output

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http://truckroadservice.com/barth_attachments/Kohler_Manual_7CKM21-RV_7CKM22-RV.pdf There is a wiring diagram in this manual

The control board needs to sense a voltage coming of stator windings to complete the run circuit or else it will shut down. Check the stator and rotor windings for resistance and shorts

no 14vac coming from generator to control board.--cause can be regulator board on end of generator---dirty brushes or worn out brushes==b1 and b2 winding open that outputs the 14vac--my problem was blown regulator board

Are you running the gen and plugging in the RV at the same time? I assume it is wired right and you have a transfer switch? Are you saying the voltage is fine when the RV isn't plugged in?

i need a manual for a ( kohler RV Generator 4.50km21-RV Spec # 10111A plus need to know Motor Size Can any one help me out

First thing is to check oil level as low oil pressure will shut it down.

i used to work at a repair shop for kohler 98 bucks an hour to check it out. and for them to repair who knows?. i would do my best if not in a hurry to figure it out on my own. you can purchsae a service manual and stick with your basics; spark gas, and from there go deeper.

Kohler generators feed the generated voltage back into the control circuit board to tell it to keep the fuel pump (electric) runing and the ignition on. IF there is no voltage generated (bad brushes or?) then the symptom you describe will occur. The motor runs fine, but it isn't generating electricity.
Jim Russell