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IndustryArena Forum > Maintenance in General > Maintenance DIY Discussion > 3 phase motor from Cincinatti #2 Tool and cutter grinder not working

Thread: 3 phase motor from Cincinatti #2 Tool and cutter grinder not working

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  1. 06-18-2019, 08:38 PM #1
    PrestonSMA
    PrestonSMA is offline Registered
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    Aug 2013
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    19

    3 phase motor from Cincinatti #2 Tool and cutter grinder not working

    Hello Everyone,

    I purchased a Cincinatti #2 Tool and Cutter Grinder on Ebay and have just hooked
    it up...nothing.

    I checked first to determine that it was wired for Low Voltage 220 3 phase

    I am getting power to the motor as 206 volts to each leg. I live in Mexico so thats all we get here.

    I disconnected all 9 motor leads and checked the conductivity of each possible combination
    of leads 45 in total.

    8 of these combinations are closed and I believe that only 6 should be closed.

    Can anyone verify this or give me another test to determine if this Spindly Motor will
    need to be rewound?

    Best Regards,

    Preston
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  2. 06-18-2019, 09:14 PM #2
    PrestonSMA
    PrestonSMA is offline Registered
    Join Date
    Aug 2013
    Posts
    19

    Re: 3 phase motor from Cincinatti #2 Tool and cutter grinder not working

    Ok, found the problem...

    2-8 is open vs 1-4 and 3-6 have 7.1 ohms resistance.

    Best Regards,

    Preston
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