Question about Electrical Supplies
Generator won't start
Posted by Anonymous on
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Posted on Jan 02, 2017
First check the circuit breakers on the control/outlet panel.
Then take the end off the generator and look at the brushes (usually what breaks) and the 2 slip rings they ride on (these get dirty and have to be cleaned off with a bit of emery cloth)
Then look at the voltage regulator (the little board that the brushes plug into)
Let me know if you need more detailed help,
Posted on Dec 03, 2008
I am assuming the generator worked fine before the oil change. Now that you have done the oil change the genset does not start. These generators have a safety switch, which is basically an oil pressure switch that keeps the engine from running when there is not enough oil in the engine. Make sure that there is enough oil and if there is, look for a wire that runs along side of the engine to a round component. disconnect that wire and try starting. If it does not start then try to ground out the wire to the engine block. If this does not work, then there is other engine problems.
Posted on May 08, 2009
Remove front cover on the genset and you will see the brushes and rings. Clean the rings if black with emory cloth and inspect brushes. Flash the fields by apply a 12V battery to the brushes. the brush closest to you or the bearing is connected to the positive side of battery and the back brush is negative. You have to do this with genset running. You should notice your voltage climb up to over 50Vac maybe even over 100Vac. Make sure to use rubber gloves when flashing fields and keep hands away from rotating parts. if voltage does increase when flashing the the voltage regulator is shot. If voltage does not climb then you will need a new genset or generator end.
Posted on May 15, 2009
If the engine is running but no output from the plugs....the VERY common problem is loss of magnetism in the generator after storage.
With the generator off.........
Look at the side of the generator part.....do you see a small + and - on any terminals?
You may have to take a cover off.
Take a 9 volt battery and momentarily put current from this small battery through these terminals.
Now.....start her up and check for power at the plugs.
This fixes 75% of "no output" after being "stored" generators.
Posted on Sep 09, 2009
Testimonial: "you learn if you ask someone that know's...allan"
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