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Thread: Table saw died.

  1. #1
    Join Date
    Nov 2006
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    Rochester Hills, MI
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    940

    Angry Table saw died.

    Hi folks,
    Earlier this week I went to fire up my table saw and it just hummed. I figured it was a bad cap on the motor so I went to Grainger and spent six bucks for a replacement. Plugged it in and it's a no go. The motor still just hums and it even let out a little bit of that magic blue smoke. It's a probably 30 year old Craftsman saw and it's in pretty good shape. I'd love to have a nice new saw but that's just not in the budget right now. I went to Sears Parts Direct and they show the motor as no longer available. It's a 1 hp 3450 RPM capacitor start motor.

    Harbor Freight sells a 1 hp "Farm Duty" motor but it's only 1800 RPM's. They have a 1-1/2 hp "Compressor Duty" motor that's 3515 RPM's. It's only about $140. I'm assuming this would be a suitable replacement until I can afford a new saw. What do you think?
    "The bitterness of poor quality remains long after the sweetness of low price is forgotten"

  2. #2
    Join Date
    Dec 2012
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    Assuming the V&A are OK, if the motor mounts are acceptable, I'd go for it. The difference in speed @10" dia. is minimal;+ 65rpm, +170sfpm, < 2%.
    Thoughts entering one's mind need not exit one's mouth!
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  3. #3
    Join Date
    Feb 2008
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    I replaced a motor on an old Craftsman with a HF motor about 10 years ago. I believe it as a 1 hp (not sure) and ran at 3450 rpms. I later gave the saw to my son in law and it is still running. They have a 3 hp that runs at 3450, $159. I think most TS motors run around that speed. They also have 25% off coupon good on 1/1/2014 for any one item. That makes it around $120.
    Last edited by Paul Douglass; 12-28-2013 at 04:03 PM.
    "We the People ......"

  4. #4
    Join Date
    May 2007
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    Kansas City, Missouri
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    Al said it, if you voltage, amps, and footprint are the same, should work. Might verify the shaft size and see if you need a pully that fits the new motor. To help determine footprint, there are some reference charts out that that list the measurements for the different frame sizes...

    http://www.electricmotorservice.net/iechart.pdf
    Darren

    To a small child, the perfect granddad is unafraid of big dogs and fierce storms but absolutely terrified of the word “boo.” – Robert Brault

  5. #5
    Join Date
    May 2007
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    Quote Originally Posted by Paul Douglass View Post
    They also have 25% off coupon good on 1/1/2014 for any one item.
    I can get you a scan/screen capture of one if you need it, don't have any use for it myself right now.
    Darren

    To a small child, the perfect granddad is unafraid of big dogs and fierce storms but absolutely terrified of the word “boo.” – Robert Brault

  6. #6
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    No, not all of SoCal is Los Angeles!
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    Agree, the same specs will sub out your old motor. Alternate plan; look for a used C-man saw in your area. I picked one up for $50, kept the motor and scraped the saw which looked pitiful ;-) Motor is (queue the Energizer Bunny) still going.
    Any sufficiently advanced technology is indistinguishable from magic.
    - Arthur C. Clarke

  7. #7
    Join Date
    Feb 2012
    Location
    St. Catharines, Ontario, Canada
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    to stop it humming, try teaching it the words.
    Cheers,
    Roger


    The other member of Mensa, but not the NRA

    Everyone is a self-made person.

    "The thing about quotes on the internet is that you cannot confirm their veracity" -Abraham Lincoln

  8. #8
    Join Date
    Nov 2006
    Location
    Rochester Hills, MI
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    Thanks guys!
    I just printed out one of those January 1st only 25% off coupons. I like the idea of the 3hp for about $120. It never hurts to have MORE POWER. (In my best Tim Taylor voice)
    It's the right shaft size and the rest of the specs are the same.
    "The bitterness of poor quality remains long after the sweetness of low price is forgotten"

  9. #9
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    Mar 2007
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    More power may need a beefier housing however. Sheet metal and cast parts are not nearly as strong as cast iron - like the big boy saws. Be careful out there. Just sayin'....
    ++++++

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  10. #10
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    Nov 2006
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    I hear ya Carol.

    I think it'll be fine. This is an older saw and it has a pretty beefy mount on it. Another thing is I really think that the HP ratings on today's motors are not the same as they were 30 years ago.
    "The bitterness of poor quality remains long after the sweetness of low price is forgotten"

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