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AR15.COM
2/6/2006 11:30:55 AM EDT
I have a 120v electric motor on a table saw that vibrates badly, but runs.  The shaft feels free--I thought about a bearing.  It has very little power and will kick the breaker under any sawing load.

Is this worth trying to get it fixed?  Might it be something simple that I could fix?  A new one is ~$300.  Rigid/Home Depot brand.  

Thanks.
2/6/2006 11:37:05 AM EDT
[#1]
To take the motor to a rewind shop,  will probably cost you more than you want to spend on it.  They probably won't touch it for under a hundred.  We had the same problem with a table saw here at work.  Bite the bullet and buy the rigid one.  If the motor craps out on it, you can replace it.
2/6/2006 11:40:25 AM EDT
[#2]
You're probably better off getting a new one than trying to get that one repaired. We have a lot of electric motors repaired at work by the manufacturer and rarely do they last as long as a brand new one and some times they either won't work upon installation or they fail shortly thereafter. I only use new motors when afforded the chance.
2/6/2006 2:53:22 PM EDT
[#3]

It's not economical to rebuild small motors like that . If it's not a bearing or something simple
then you might as well cruise the 'net and see if you can find it cheaper .
2/7/2006 10:11:11 AM EDT
[#4]
Check Grainger -- they have some really good motors at really low prices.  A motor in one of my tools burned out;  the mfr wanted $90 to replace it.  Grainger had one that fit (after I snapped off two unnecessary extra mounting screws), was significantly more powerful, and cost $28.
2/7/2006 10:26:05 AM EDT
[#5]
injun-ear: Look in the local yellow pages under "electrical motors," and ask them how much to rewind a motor, it is really expensive, unless you have a very special, unique, collectible; it would probably be cheaper just to buy a new motor.
2/7/2006 10:29:30 AM EDT
[#6]

Quoted:
Check Grainger -- they have some really good motors at really low prices.  A motor in one of my tools burned out;  the mfr wanted $90 to replace it.  Grainger had one that fit (after I snapped off two unnecessary extra mounting screws), was significantly more powerful, and cost $28.



Grainger has good prices on motors.  Though, sometimes the service is unbelievable.

Such as I ordered a 45HP 3PH Motor.  They sent me a 150HP Motor!  What the hell was I gonna do with this thing?

I called them 3 times to pick it up and it sat on my dock for about a year.  (Mind you, I never paid for this motor, nor ever receieved a bill).

I called one last time, saying I had someone willing to pay cash for it and that they had 45 minutes to beat the buyer here.  Surprise, I had a truck at my dock in 15 minutes that took the motor away.