Question about Coleman Powermate Premium Plus 6250W Portable Generator

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Propane-converted generator sometimes sputters out and dies

Hello, my neighbor has a propane converted Coleman generator to charge his off-grid solar batteries during cloudy weather. It always starts ok, and runs great for about 15 to 20 minutes. Then suddenly the motor stumbles and drops in RPM. Sometimes the motor then dies, other times it catches back on and continues to run good. Whenever it dies, it always restarts with no problem, even immediately after it dies, so perhaps it is not a fuel-delivery problem. The time of running to when this problem happens is never exactly the same, sometimes happening a minute after it starts running, or it might run great for 20 minutes before it dies, or it might stumble and then catch on again, continuing to run for 5 more minutes. He doesn't have an owner's manual, so I don't know where/how to check the ignition components. I've wiggled all the external wiring while it's running, but that doesn't make it die. Any suggestions/help would be appreciated.
Jim

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I believe the problem may be with the propane. Have him call his propane provider and get them involved. good luck

Posted on Jan 26, 2009

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