"Are the blades engaged with electric switch and electric clutch? ..... Or do you know if you have a clutch that is adjustable"
I have no idea I'm afraid - which is why I "asked an expert". I am mechanically and electrically competent but have no access to manuals which is why I specified the "full details" option on my question request.
I can check voltages but would need clear instructions on exactly where to do so.
It's a large lever to the left of the steering wheel.