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Thread: the motor question

  1. #1

    the motor question

    Hi people!
    I purchased my first table saw. It is DeWalt. However, I have to replace the motor, because the previous owner burnt it.
    What advice can you give regarding a good motor?
    I only know that it should be TEFC.

  2. #2
    Join Date
    Feb 2008
    Roanoke, Illinois
    Take it to an electrical shop and have it rewound. In most cases it will be better and cheaper than new. I had that done to a Grizzly motor on my mill. Cheap piece of Chinese crap is 10 better than original.
    Either you like bacon or you are wrong.

  3. #3
    Join Date
    Apr 2007
    No, not all of SoCal is Los Angeles!
    Model number of the saw will help too.
    Any sufficiently advanced technology is indistinguishable from magic.
    - Arthur C. Clarke

  4. #4
    Join Date
    Dec 2006
    RETIRED(!) in Austintown, Ohio
    Seems unlikely that the motor itself should 'burn,' since it should have some thermal/overload protection built in. Could it be that just the start/run capacitor is what's burnt? (Quite a common occurrence) If so, a new capacitor is a just a few bucks - and not the hundred-plus that a complete new motor would cost.

    Providing them saw's model number - and perhaps a picture - would be helpful.
    Jim D.

  5. #5
    Join Date
    Nov 2006
    Mountain Home, Arkansas
    What Jim said is good advice. But, if you really need to replace check out Harbor Freight. They often have great sales on motors. I got a 3 hp 220V for about $150.00 with no shipping charges from them.
    "Folks is funny critters."

    Think for yourselves and let others enjoy the privilege to do so, too. ~Voltaire

  6. #6
    Thanks guys for your tips. I want to replace the motor and forget about it not to have problems with in future.
    This is my DeWalt model DW744XRS.
    What about these technical characteristics

    Will it suitable for my table saw?

  7. #7
    Join Date
    Dec 2008
    falcon heights, minnesota
    Quote Originally Posted by Jim DeLaney View Post
    Seems unlikely that the motor itself should 'burn,' since it should have some thermal/overload protection built in. Could it be that just the start/run capacitor is what's burnt?
    jim, i had the motor burn out (no flames, but a fair amount of smoke), when the start/run capacitor failed, and fried the motor on my drill press. replacing the capacitor didn't help, as the motor was fried. as it was under warranty, grizzly replaced the motor assembly at no charge.
    benedictione omnes bene

  8. #8
    Join Date
    Nov 2012
    Wapakoneta, OH
    That' a very low power motor....6.6 amps. Looks like your OEM motor had 15 amps. Seems to me like it's way to small.

  9. #9
    Join Date
    Jun 2008
    GTA Ontario Canada
    Here is a link to a site where you can obtain parts for your saw. I see from the breakdown you can get armature etc. Would be well worth looking into because these parts would be drop in replacements. They dont show the motor as a unit and you need to think twice about buying just any motor and trying to make it fit. Better to take it apart and check what has gone on the motor.

    How do you know the motor is burnt. What checks have you done. Sometimes something simple like a poor quality main switch could be the issue if dust gets into its contact. Does the housing of the motor have a whole lot of burnt black marking on it as if it had a burn out?

    The motor is a two part unit armature and windings. Item 73 shows it as brushes have you checked on these. Looking at the parts diagram seems to me for reasonable money relative to the saws price new you could fix this with the proper parts.

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