Question about Garden
Eagle is not very forthcoming with publishing documentation on the net, so I am shooting from the hip here from past experience.
Your generator does not need to be "flashed" as it should be a self-exciting unit. If there was power coming out, and it died all of a sudden (was there a sudden surge just before this happened?), one or more of the field diodes may be toasted.
Popoff the end cover of the alternator / generator head itself to get access. Write down part numbers that you find of both the diodes as well as the capacitor. Also make note of wiring.
You will need to identify the field winding. This winding will have the diodes going to it. At the connection to the diodes, disconnect and measure for continuity of the field using a multimeter. You should have some resistance. Then check each end of the field winding in relation to the rotor core. There should be no resistance at all. To have continuity here means that your rotor is grounded, and you have found the problem (have rotor rewound to repair). Find your stator connections, these will be the output of the alternator, and will be connected to circuit breakers and such. Here, there will be 2 connections (for 240vac generator). Measure the 2 connections for continuity, there should be some resistance. Then measure each end to the frame of the alternator. There should be no resistance at all, or it would indicate that the stator is grounded, and is another problem.
As far as immediate problem, I suspect that your rotor and stator windings are fine, but your capacitor voltage regulator has faulted on you. Since these items are already on the edge as far as being appropriate for the application, find diodes / diode block with a higher current rating and working voltage. Regarding the capacitor, keep the same capacitance rating (likely 10-12uF), but increase the working voltage.
Given that the capacitor and diodes spin with the rotor, look for mechanical stress on the connections as well. Repair as necessary, you want the wiring to be as close to the center of the rotor as possible to minimize G-Forces when it is rotated. Secure everything that you can, keeping in mind elevated temperatures.
Posted on Sep 05, 2010
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Posted on Jan 02, 2017
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