Question about McCulloch 3500-Watt Gas Generator # FGG350MK

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30 volts coming out of generator

A honda eg 3500 putting out 30 volts. It has a new regulator, new brushes. The motor is running fine.

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Sounds to me like a grounding issue. I would check all my ground paths and look for poor connection or corroded contacts, broken or almost broken wires etc. Hope this helps :)

Posted on May 27, 2009

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I need a rectifier or avr for generac 3500 xl genarator

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  • Jun 28, 2016 | Generac Electrical Supplies

    1 Answer

    Honda ex650 generator only putting out 22 volts at 60 hz i can rev it up and get 90 to 100 volts changed the capacitor and still the same what should i check next

    i would suggest an inspection of the brushes on the generator rotor .these usually come as a "brush box" similar to a car.containing a regulator and sprung loaded graphite conductive brushes, which may have worn low , reducing the residual current applied to the primary coil.

    Apr 19, 2016 | Honda Electrical Supplies

    1 Answer

    Why does my generator now only put out 20 volts?

    Hi, Sounds like the voltage regulator is at fault. Check and/or replace it. Also check amateur and clean if necessary. Good luck.

    Jun 01, 2015 | Electrical Supplies

    1 Answer

    Only getting 80 volts

    First check you engine's rpm. Your generator is a 60 hz unit it need to be 3600-3750rpm; if 50 hz then it need to be 3000-3100.

    If voltage is still down and the rpms are correct then alternator's voltage regulation circuit needs checking. To do this you need to have make and model posted.

    Dec 17, 2014 | Honda Eb 3500 Generator

    1 Answer

    Mike bike is a 75 by the way... but i am having charging problems as well my battery is brand new and the regulator is too i polorized. the bike but still nothing is charging the battery. do i need a new...

    To test the output of the generator, remove the "A" and the "F" terminal wires. Using a volt meter, set it to measure a DC voltage of 50 volts. Connect the positive (red) volt meter lead to the "A" terminal and the negative (black) lead to a good ground on the engine or frame. Start the engine and bring the speed to 2000 RPM. MOMENTARILY connect a jumper wire from the "F" terminal to an engine or frame ground. The voltmeter should read 25-30 volts DC.

    If the generator fails this test, there are lots of other test that you can do but they require a testing tool known as a "growler" to test the armature. I haven't seen one of those things in years.

    It might be that your generator may only need a new set of brushes in it. If your generator has an inspection band around it, loosen and remove the band. Look at the brushes. If they're used up, you'll need to replace them.

    To get to the brushes, you'll need to remove the generator from the engine. Take the wires off the two terminals on the generator. Mark the wires so you don't get them mixed up when you replace them. Now, on the right side of your bike you'll have two larger bolts at the front of your cam cover. Take these two bolts out and the generator will come off the engine.

    Now, there will be two small diameter but long bolts that run through the generator. Take these out and remove the end plate. Now, you can get to the brushes. Swap out the brushes with new ones.

    Inspect the commutator of the armature. This is the copper looking segmented piece that the brushes ride on. Clean it up with some fine emory cloth and look for bridging between the copper strips. If it looks good, go ahead and reassemble the generator. Put it back on your bike, connect the wires and polarize it. Remember to polarize the generator ON the bike, MOMENTARILY touch a jumper wire from the "A" terminal to the positive post of the battery. To polarize the generator OFF of the engine, momentarily flash the negative battery terminal with the "F" terminal on the generator. Hopefully, you'll be good to go.

    Aug 18, 2010 | 1979 Harley Davidson XLH 1000 Sportster

    1 Answer

    Generac 5250 with a 8 hp Honda engine. Runs fine, no output

    Take a resistance reading across the brushes with and Ohm meter. (not running) You should read a low resistance. If you have no resistance across the brushes then then either the brushes are not mating with the armature or the the armature is open.
    IF you have resistance then the AVR (Automatic Voltage Regulator) in the endcap has failed. With the engine running and the Brush block disconnected you should have 4 - 12 VDC on the two wires going to the brush block. No voltage = bad AVR.

    Thanks for choosing FixYa.


    Jul 30, 2010 | Electrical Supplies

    1 Answer

    I have a Coleman Vantage 3500 motor runs no generator output

    This sound like a loss of residual magnetism in the generator. The field will need to be "flashed".This is also known as re-exciting the field of the generator.
    The Coleman manual gives these steps:
    1Use a 6 Volt lantern batters (dry cell) or a 12 Volt automotive battery.
    2.Disconnect all loads from generator.
    3. Remove the brush cover (that's the rectangular plastic cover on the end of the generator.)
    4. Plug a lamp or light into the generator before starting the engine. The light will illuminlate when ?Voltage has returned.
    5. Start the engine with no load connected to the generator.
    6. Attach the "-" lead of the battery to the negative brush. Very briefly touch the "+" lead of the battery to the positive brush. Remove as soon as Voltage builds up.

    Sep 02, 2009 | Coleman Electrical Supplies

    2 Answers

    I have a honda generator em2500x voltage problem

    My E2500 did this. Turned out to be dirt in the brush holders causing the
    brushes to have less pressure in the slip rings. Stopping and restarting
    joggled the brushes to make better contact until they wore down again.
    Pull your brushes and make sure they slide easily in your holders. Also
    you may need to replace them if they are worn too much or clean the
    slip rings. Good luck. Doing your own repairs is fun.... especially when
    they work.

    Jul 27, 2009 | Electrical Supplies

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