Question about Generac Electrical Supplies
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Posted on Jan 02, 2017
SOURCE: Generator output
Hi, You don't say whether this is under load or not but if not is within the acceptable range, which is +/- 10% . Generally speaking, voltage on a generator is not the issue but the load which it will carry, hence their wattage ratings. Measure your household voltage and you will see that it varies from day to day but usually stays within the limits and your electrical panel is rated in amperage. Hope this answers your question!
Posted on Feb 08, 2009
Here is a manual for a newer mge model. I don't think your going to find a manual on the older mgb around and they tend to be very similar from one model to another so it should help. Though you should be able to get parts.
As for the gfci brand, I have not had any problems with any of the brands out there. So the cheapest is the best. The 30amp socket could be 110 or 220vac. If there is a selector switch on your machine. If not, there should be a NEMA number on the face of the socket (ie 15-5R). The R stands for receptical while a P stands for plug.
Here is a plug configuratio diagram that will help identify your plug and the voltage it puts out. These are standard so you can be sure that if it the same plug it will put out the same power. Be carefull to ensure which side is larger or has a tab is correct.
While replacing the plug just swap wire for wire in the same place as your new plug. Gold connector to gold and silver to silver.
The inside of a small generator is very similar and if this don't help I can walk you through any connections you have questions on. Pictures would help if it comes to this.
Posted on Apr 02, 2009
SOURCE: i get no 110 or 220 volt power
generac was purchased by Briggs Stratton some years ago, however some information is available at the following web address, just enter your model number:
The small board that you describe is the bridge rectifier that converts ac from the windings to dc for the armature. You can test the brush/board by removing the part from the generator and applying 12 to 16 volts ac to the input tabs/wires then test/read dc (dc voltage will be lower than input ) voltage at the brushes. Use meter to make sure that you are getting dc. I use a small power supply less than one amp that I purchased at the thrift store for a couple of dollars. If test fails replace part. If it tests ok re-install brushes and re-connect the ac power supply to brush/board which in turn will energize the armature. At this point test the armatrue for magnetic power. I use a thin welding rod or wire against armature. If you feel a magnet start the engine. If the windings are good you should get some voltage at the plugs and the two wires that feed the brushes (will not be full voltage). If voltage is present, kill engine and disconnect ac power supply and connect the original wires to brushes/board and start engine. If you now have voltage at plugs you spiked the system indirectly by energising the armature. If still no voltage you may have an open circuit that feeds the brushes or diode pack is failing with the incresased voltage. Good luck with your repair and email if you have questions.
Posted on Apr 14, 2009
Check the voltage with a meter in all the recepticles with your meter leads in the left and right slots on the plugs. Is that 184 volts AC there? If so, your gen has big problems with the voltage regulator. Let me know what you read. You can check the right slot of each plug to the round ground hole on the plug too, should be 120 volts there.
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Posted on Jul 02, 2009
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