Question about Briggs & Stratton 12 Kw Automatic Standby Generator System 40233
Hi Cyril and welcome to FixYa, I am Kelly.
What you want to do is not that hard. AU power is 50 Hz which means that your generator will run at 3000 RPM vs 3600 RPM. If this is a diesel it will run at 1500 RPM vs 1800 RPM. Smaller single engine diesels run at 3000 to 3600 RPM. Slowing the run speed is a matter of adjusting the governor speed plate off to the side of the governor arm. Then the voltage regulator will have to be re-adjusted up to 230 / 240 VAC.
Frequency is controlled by engine speed. Voltage is controlled by the voltage regulator. It is nearly impossible for me to guess the model number your genset / alternator as each manufacturer will use their own part numbers. Here is another problem... if the Alternator end is an inverter type power head the voltage can only be adjusted by changing the 2 large condensor / capacitors.
I may be able to help you but I really nead a complete model number for the generator set. If you know the engine model number I can probably find the manual for you that would show you the components of the governor speed plate. Most times it is a matter of losening a locking nut on a screw and turning the screw CCW to slow engine speed then securing the locking nut on the speed set screw. There can be a nut on the face of the speed plate that you barely have to loosen to make the speed adjustment. Just make sure to tighten the nut again once you set the speed.
Without a model number I am hung out to dry trying to help you. With the Engine and Gen/power head model numbers I can do a much better job of trying to help you.
Posted on May 19, 2011
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Posted on Jan 02, 2017
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