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Craftsman Table Saw Motor Capacitor Part Number

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Forum topic by CLowery15 posted 11-21-2016 11:33 PM 7161 views 0 times favorited 13 replies Add to Favorites Watch
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CLowery15

24 posts in 1330 days


11-21-2016 11:33 PM

Topic tags/keywords: tablesaw

Good evening,

I have a craftsman table saw (Model # 315.22841). Yesterday, the big capacitor (guessing thats the start capacitor) went south.

Has anyone replaced one, and if so what was the grainger part number? I have a store close by.

Motor Specs:

I believe its a 1.5Hp, 3450RPM motor. Didn’t have a spec plate

Part#: TH0112/TH0208
Serial#: 035673

Thanks
Craig

-- - Craig


13 replies so far

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MrUnix

7436 posts in 2647 days


#1 posted 11-21-2016 11:43 PM

Are you sure it’s the capacitor? Did you test it or does it physically look damaged – bulging, leaking, etc…??

The sears part number is about useless. Check on the side of the capacitor for it’s rating. For a motor that size, it probably will be something like 30uf @ some voltage. Then just find a cap with that rating (higher voltage is fine, lower voltage isn’t) that will fit under the can.

Cheers,
Brad

-- Brad in FL - In Dog I trust... everything else is questionable

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CLowery15

24 posts in 1330 days


#2 posted 11-23-2016 12:14 AM

Good evening Brad. Yes, it is bulging out in several places. the cap is 1.5” diameter x 3” long. It melted in the area that has the specs, but I believe it’s 30mF @ 350vac. I’m not sure if its a start or run capacitor.

Thanks
Craig

-- - Craig

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MrUnix

7436 posts in 2647 days


#3 posted 11-23-2016 12:37 AM

... I believe it s 30mF @ 350vac. I m not sure if its a start or run capacitor.
- CLowery15

Call it whatever you want, but it’s still just a capacitor… find one the same size with the same or higher voltage rating and slap it in. I have a half dozen or so of those things here, but they are a bit bigger (2”x3.5”), so they won’t help you much. You can probably find a place locally that will have what you need, otherwise they are all over the place online.

Cheers,
Brad

PS: According to this thread over at searspartsdirect, that capacitor is rated 30uF @ 350V (not 30 mF – so please verify which is correct).

-- Brad in FL - In Dog I trust... everything else is questionable

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CLowery15

24 posts in 1330 days


#4 posted 11-23-2016 11:49 PM

thats the correct rating that you specified, i just didnt know how to make the symbol.

-- - Craig

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CLowery15

24 posts in 1330 days


#5 posted 11-25-2016 04:55 AM

So, potentially, replacing the motor might be an easier option, since I cannot find a capacitor with the dimensions to fit. The motor part number for my saw is 980962-001, which they conveniently don’t carry anymore. Will any 1.5Hp, 3450 RPM motor work?

-- - Craig

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bandit571

23397 posts in 3131 days


#6 posted 11-25-2016 05:05 AM

As long as it fits the brackets the old one was mounted on…

-- A Planer? I'M the planer, this is what I use

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WhyMe

1169 posts in 2009 days


#7 posted 11-26-2016 02:16 AM

For capacitors, uf vs. mfd for practical purposes is the same. Get one marked 30uf or 30 MFD. You should not need to buy a new motor.

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CLowery15

24 posts in 1330 days


#8 posted 11-29-2016 01:18 AM

Got a 30 microfarad, 370vac run capacitor…wired it to the motor and zip tied it, since it was too big in diameter to fit in the casing the old one did…the saw runs much, much quieter. Thanks for the help everyone

-- - Craig

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WhyMe

1169 posts in 2009 days


#9 posted 11-29-2016 02:01 AM

Good going. I have an old Craftsman motor that had a square cap in the base that looked like a sardine can. I did like you did and strapped a round one to the side of the motor and split a piece of PVC pipe to cover the terminal end.

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fivecodys

1453 posts in 2084 days


#10 posted 11-29-2016 05:05 PM

This is what I really like about this forum. Outside the box thinking. Almost always more than one suggestion on how to fix a problem.
Good job once again Lumberjocks!

-- When you leave your shop for the night, make sure you can always count to 10.

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bandit571

23397 posts in 3131 days


#11 posted 11-29-2016 05:09 PM

The square box on this one was the reset ..

Sold this saw, because of a lack of room in my current shop..

Wasn’t too bad a saw…for 25+ years…

-- A Planer? I'M the planer, this is what I use

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Chris Carpenter

1 post in 710 days


#12 posted 09-06-2017 10:37 PM

Hey Craig. I have the same motor as you for your craftsman saw. I have a dead start capacitor, but the label is completely missing and I can’t read the MFD or VAC ratings. Do you still have that motor? Do you know the capacitors specs? I have been looking all over the internet and I cannot find anything. Any help would be greatly appreciated.
Thanks,
Chris

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MrUnix

7436 posts in 2647 days


#13 posted 09-06-2017 10:49 PM

Hey Craig. I have the same motor as you for your craftsman saw. I have a dead start capacitor, but the label is completely missing and I can t read the MFD or VAC ratings. Do you still have that motor? Do you know the capacitors specs? I have been looking all over the internet and I cannot find anything. Any help would be greatly appreciated.
- Chris Carpenter

Go back and read responses #2,#3 & #4 above.

Cheers,
Brad

-- Brad in FL - In Dog I trust... everything else is questionable

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