How to set up governor for Generac GN-220 motor
I recently replaced both intake and exhaust valves due to weak recalled spring retainers. I also rebuilt the carburetor. When I put a 220 volt load on the motor it wants to stall due to engine RPM's not being high enough. I'm unsure how to set the high engine settings there is an electrical stepper motor that runs off both the carburetor as well as governor linkage. Is that how one adjust it ? If so how ? I'll add when I replaced the valves I had that stepper motor off. What I'm calling the stepper motor is electrically controlled through a circuit board on the generator.
Electrical Supplies - Generac
Answers & Comments
The circuit board controller is monitoring the engine rpm and frequency and thus controls the frequency, via the governor actuator, or stepper motor as you say. You can't adjust it. I doubt this is the problem it sounds like either engine is not delivering HP, or there is a stator short causing excessive load / current draw bogging the unit down, incorrect wiring of the stator output. Ha someone taken the stator output leads off the breaker? check the stator resistance and shorts to ground.