Section 1-
1- Fuel Leak
For the Pro3600Si/Pro3600SiE, it could be the valve or it could be the tank leaking between the plastic tank.
Both are replaceable. Determine which is leaking and either part is replaceable.
For all generators, check all fuellines, valve, and carburetor.
2- Fuel Flow. Open the drain screw on the bottom of the carburetor, do you get a steady flow of
fuel? If so, there is no blockage. If no fuel flow, blockage may be the case. It is possible that you
have a partial blockage which allows fuel to flow to the carb, giving the appearance of a steady
supply, when in fact it is there but is not enough to meet the demand of the engine. Check for
kinks in the fuel line.
It is also possible that there is a blockage in the carb. Try removing the bowl on the bottom of the
carb and then removing the float and turning on the fuel. This will allow fuel to flow freely thru the
carb. This is a very simple process. However, it may be easier to remove the carburetor first. Be
careful to not damage the gasket. Clean the parts and replace them and try again to see if the
unit will run properly. It could also be a plugged fuel filter. For the generator you have to take the fuel valve off
and it should come out attached to the valve.
3- Stepping Motor (Electric Throttle Actuator) Does the stepping motor respond when the
inverter module is trying to change the engine speed when more load is applied? Does the
stepping motor try to adjust the carb and is unable to or does the carb respond properly to the
stepping motor but it still makes no difference? Depending on your answer, it could be the
stepping motor or the carb. It manually might free connect up.
Measuring the resistance of stepping motor leading wires
Specified resistance:
Red and Yellow 200Ω
Red and Pink 200Ω
Red and blue 200Ω
Replace the stepping motor if the resistance value exceeds the specified range.
22
Red
Pink
Bule
Orange
Yellow
Red and Orange 200Ω
