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Disconneting generator from motor. PM54A4302 Coleman generator. I do not know how to disconnect the generator from the motor, I would like to know how to release the motor from the generator.

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I am assuming that you have removed the end bell with field winding (long bolts that extend from outside of generator into mount bolted to engine) and the only obstacle is the rotor on the crank of the engine. I am also assuming that you were able to remove the long bolt thru rotor into crank. Now you will need to apply penetrating oil to the shaft of the engine to loosen the rust on the taper (tapered shaft fits very tightly into core of rotor). It may take several applications. Place a piece of hardwood against metal to protect the rotor and firmly rap with hammer on both sides. You may need to use pry bar against engine and rotor as you hammer hardwood. Repeat as necessary, some rotors will be very stuck due to rust. Good luck.

Posted on Oct 05, 2010


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Posted on Jan 02, 2017


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Well, its not exactly a published procedure, but this is what I would do.

Check field for continuity between leads, as well as continuity from each lead to the core. Between leads, you should have continuity, but you shouldn't be able to measure anything (perhaps in megohm range) between leads and core.

Once you have continuity, check your diode. You should have continuity in one direction only. If not, replace diode. Don't worry about capacitor / regulator at this moment.

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Make sure breakers are reset, then check continuity through them. Should have it, replace if not. Same goes for the outlet itself.

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Have fun!

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