Pramac Electrical Supplies - Page 5 - Recent Questions, Troubleshooting & Support

Probably, about the time it lost power is when the bearing went bad. The rotor was probably hitting the stator at that point, but the exhaust noise was so loud that you couldn't hear it. As long as it is turning, it will try to produce power, but with the bad bearing, it eventually overheated.

You should open the back cover of the alternator, take a voltage meter and check for voltage if there is no voltage then check the brush if the brush is ok then change the avr .

Loaded circuit or open circuit? If loaded, brushes need cleaning before buying parts. Check manual for procedure on your model. The brushes are usually culprit. Make sure cleaned and tension springs are free. Use compressed air to clean out armature area where brushes located. Re install and test. If better but not fixed replacement brushes may be needed. If open ckt voltage is high this could be normal. Suggest you email product support to be sure.

Voltage regulator isn't working..

The internals of the generator have to be removed and you'll need a gear puller to seperate the engine from the generator housing because they're pressed together. It can be a pain in the neck. There's videos on you tube on how to do it

Timing gears? have you pulled it that far apart? On timing gears there are usually stamped onto the gears a small dot. lign them up. Not sure why tore down so far? If you take off the diesel pump align the timing marks in the small window plate first else you will be in a mess.

You have the remote control wires incorrectly connected either at the ATS or on the generator control panel, disconenct from both ends and ohm them to make sure they are not shorted between. Then reconnect them at the generator end only. Then join them together manually, of the gen starts and stops when taken apart, the problem is in the transer switch, or incorrect terminated

you will require access to the end of the alternator from the drawings on the pramac site the alternator looks like it could be made by mec alte spa if so there are spec sheets on their site for the alternators, remove the end cover of the alternator and there should be a bridge rectifier in there which will need testing also the spec sheet should give the resistance of the coils so you can check them you will need info from the data plate on the alternator, if it is mec alte spa then find your product herehere

clean out the carb