How does this generator work ?

[Externet]

With the gasoline engine running the yellow wires are your excitation, measure across the yellow wires.

I know you have checked this but is the circuit breaker tripped?

Ron

Generator section is defunct. Its fan shattered and destroyed stator and rotor windings.

 

[Reloadron]

Generator section is defunct. Its fan shattered and destroyed stator and rotor windings.

So it's beyond economical repair?

I have an old Coleman Powermate 4000 going back maybe 30 years. That old generator saved me several times when my whole house unit failed. Briggs & Stratton 8 HP engine and your 2500 should be an 5 HP engine. Just a stator cost more than the unit new.

Ron

 

[Externet]

Well beyond economical repair. Unobtanium parts at robbery prices if found; and rewinding would be 10 times the cost. So am lurking for an used one to canibalize for parts... Its B&S engine surprisingly reliable, starting always at first pull...
But in curiosity, how is the rotor (field) energized ? Stator feeds the outlets and one capacitor.

Checked for any remnant magnetism and found nothing in the cores. Automotive alternators do have a 'steely' portion of the iron rotor that initiates generation. My strictly guess is the stator induced something towards the rotor but no evidence.