Question about Coleman Power Generators
Gen is easy to turn manully,not jamming. nothing rubbing any place ,brushes.etc. seem to be okay. no hint of burnt wires on stator or anywhere else. is there anything else i can check ex. fields with ohmeter ? thanks.
I'm not for sure what your asking, but i'll try. I believe your saying you have no a/c out. In the middle of your end plate on the generator there is a little removable cover. Remove it and it will expose your brush connections. Ohm across those terminals. Your meter should read around 10 ohms give or take a little I don't have a chart in front of me. If you get OL(no resistance) your circuit is open either at your brushes or your rotor. If you get a high reading in ohms 80ohm or 50k your problem is the brushes dirty worn out. If that's ok check the capacitor test to its rated farad. Then check the two diodes in the end plate. remember to swap you meter leads around to check both the resistance and gate. The only thing left is the stator and there should be almost no resistance through each winding and not correction to ground. Remember to isolate each circuit as you test or you'll get fails readings. I would also check resistance though every wire and connection. Also if you have replaced parts or have not used the unit in a while once it is back together take a 9 volt battery and touch it to the brush terminals with the correct polarity just for a second to bring back residual magnetism. I believe the out side slip ring is negative. If it dosn't try it the other way it will not hurt anything.
Posted on Feb 03, 2009
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Posted on Jan 02, 2017
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