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Coleman vertex 7500

Runs but no 110 or 220 volts voltage this is 3 hers old and never started till today. It runs fine but will not put out any voltage. How do you excite the generator with a 9volt battery?

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Posted on Jan 02, 2017

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SOURCE: three year old coleman 5000/6250 generator. High

Your RPM's are too high. There is no voltage regulator in coleman generators (generator is actually made by generac) and is 100% dependent on engine speed. There is a screw under the tank when your looking in from the recoil side. It controls the governor arm. Screw it in and it incresses the rpm, out decrease. Plug something in that draws a decent load while setting the rpms since you want it to put out 120 and 240 underload. Your idle voltage does not matter.

Posted on Apr 02, 2009

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protek480
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SOURCE: no output voltage at all

The generator needs to be 'flashed' to bring back the excitation for output. Is this something you can do? Let me know and I can help you...

Posted on Sep 11, 2009

  • 1 Answer

SOURCE: No AC out put

After working on several of this style coleman generator,i have found that the lead wires in the windings that are soldered to where your brushes would contact tend to break.I don't know if it's a poor design or just a fluke,i would check to see if your getting continuity on the rotor and go from there.They seem to either "burn off" or just break.

Posted on Apr 02, 2010

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