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Cruizer..Backfeeding line power to Bobcat 225G..

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  • H80N
    started a topic Cruizer..Backfeeding line power to Bobcat 225G..

    Cruizer..Backfeeding line power to Bobcat 225G..

    Cruizer..

    here is a problem I saw posted on another site... think the guy did some major damage... what do you think..??

    ""Oops!!. Can Someone help me!!
    I have a Miller 225G welder/generator I have been using the generator lately to heat up a hot water tank which comes from the 220 on the generator to a 240v heating element just exactly like what is in your hot water heater! Being how I don't have a thermostat after about an hour when it is heated up plenty I shut the welder down unplug the cord and plug in another cord hooked to the same heating element into my 120v wall outlet to just maintain temperature!! So here is the oops!! The one time I forgot to unplug the 220v cord from the welder so it was charged from the 120v from the wall!! Now it barely turns over and builds what I would explain it as back pressure al
    almost like the Onan motor itself is turning backwards!!
    Please Help!!!! ""

  • H80N
    replied
    It struck me as a strange but interesting problem...

    do not know if the poster will ever tell us the resolution...

    he seemed pretty embarassed at his lapse and the subsequent mayhem...

    Leave a comment:


  • duaneb55
    replied
    Originally posted by H80N View Post
    "Now it barely turns over and builds what I would explain it as back pressure almost like the Onan motor itself is turning backwards!!
    Please Help!!!! ""
    I concur with cruiser that he fried the stator. Have seen the same symptoms described with generators that have fried and shorted stators. In fact have an exact example in the shop at the moment awaiting a replacement stator.

    I highly doubt the rotor is bad because it's inducing its magnetic field that is bucking the shorted stator windings hence the reason the engine "barely turns over". Again, seen the same exact symptoms with straight generators.

    Leave a comment:


  • Kpack
    replied
    I don't understand how he did that. Did he make up a double male plug cord or dead mans cord.

    Leave a comment:


  • 1930case
    replied
    Classic thread.

    As the old saying goes,

    "A fool and his (welder repair money) are soon parted".

    Leave a comment:


  • cruizer
    replied
    Oh, well you can tell him from me that its cooked...

    Leave a comment:


  • H80N
    replied
    Originally posted by cruizer View Post
    Well you stuck a neutral and ground into a live (hot) line. Think your power windings and half your rotor windings are cooked. Machine is cooked (unless its under warranty and don't tell anybody)...
    Not me... but I figured he cooked it...

    Leave a comment:


  • cruizer
    replied
    Well you stuck a neutral and ground into a live (hot) line. Think your power windings and half your rotor windings are cooked. Machine is cooked (unless its under warranty and don't tell anybody)...

    Leave a comment:

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