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2 HP Delta Unisaw Motor Replacement

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Forum topic by Hellough posted 08-21-2013 03:33 AM 2848 views 1 time favorited 20 replies Add to Favorites Watch
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Hellough

37 posts in 1032 days


08-21-2013 03:33 AM

Topic tags/keywords: unisaw motor 2 hp delta rockwell table saw

Hello friends,

I was just recently given a 10” Delta Rockwell Unisaw from my Uncle who teaches shop class. The motor burnt out so they bought a new Powermatic and gave me the old one free. I was doing the research to see where I could get a replacement and I’ve been having a bit of trouble. It seems the only one I came across was a Leeson brand motor that had the bracket needed to mount to the current setup. I found this on Amazon for $395.

Does anyone know if the Leeson would suffice in terms of quality or if there’s anywhere I could find a better deal?

Also, I saw that there were some 3 hp motors available with the single phase option. Would it be worth it to make the jump to 3hp from the 2 that was there before?

Thanks in advance!

-- Learning patience quicker than I am the art of woodworking...


20 replies so far

View TCCcabinetmaker's profile

TCCcabinetmaker

925 posts in 1071 days


#1 posted 08-21-2013 04:18 AM

All I can tell you about that is that the RPMs on the motor are important and the heat rating, other than that, I don’t know the brand, and perhaps someone else is more qualified to help you out here.

-- The mark of a good carpenter is not how few mistakes he makes, but rather how well he fixes them.

View Fred Hargis's profile

Fred Hargis

1966 posts in 1210 days


#2 posted 08-21-2013 09:50 AM

Leeson motors are top notch…though some are imported and some are USA made. Baldor also offers a replacement for that saw. Either one would be a great motor. I’d shop around. Get the motor’s part number and search with that….you may find a motor specialty firm with a better price. I went from a 2HP saw to a 3 HP saw. Yes you can tell the difference, but only with the cuts that really require it: like ripping 2” thick oak, and maybe large dados. You’ll have to judge whether that’s worth the extra cost. Remember if the old motor was 120V, and the new one (3HP) is 240V you may have to upgrade the switch.

-- Our village hasn't lost it's idiot, he was elected to congress.

View Hellough's profile

Hellough

37 posts in 1032 days


#3 posted 08-21-2013 11:37 AM

Sounds good. Thanks for the help. I’ll be sure to post again once I figure something out.

-- Learning patience quicker than I am the art of woodworking...

View Fred Hargis's profile

Fred Hargis

1966 posts in 1210 days


#4 posted 08-21-2013 01:35 PM

Forgot to mention, I think Marathon also makes a motor for the Unisaw, in fact I think my circa 2000 Unisaw has a Marathon motor.

-- Our village hasn't lost it's idiot, he was elected to congress.

View Hellough's profile

Hellough

37 posts in 1032 days


#5 posted 08-21-2013 06:19 PM

Thanks Fred. I’ll be sure to check it out.

-- Learning patience quicker than I am the art of woodworking...

View Shawn Masterson's profile

Shawn Masterson

1262 posts in 665 days


#6 posted 08-21-2013 09:14 PM

Jerry had a similar problem a while ago here is his thread.

I really like this mount because then I could use any motor

also the 3hp leeson is 369 on ebay

View toolie's profile

toolie

1770 posts in 1345 days


#7 posted 08-21-2013 09:20 PM

when i refurbished, (and later sold), a unisaw, i looked at these guys for a replacement to the saw’s OEM 3 hp dual voltage baldor. i had the baldor refurbished, but this ebay seller really impressed me with his straightforwardness. this leeson will bolt right onto your saw:

http://www.electricmotorsite.com/pc/sglwood/120728

-- there's a solution to every problem.......you just have to be willing to find it.

View Hellough's profile

Hellough

37 posts in 1032 days


#8 posted 08-21-2013 11:45 PM

Shawn, thanks for the link to the thread. My uncle has a welder and said he would be willing to make the weld for me if I could get the old motor off with an angle grinder. If I go that route, I could get a closed motor with the right specs and have him weld it on. Don’t know if it would save me much money, though. And it seems the Leesons are worth their weight in dollars from what I’ve been hearing.

I’m thinking the 369 deal for the Leeson with the bracket would be the way to go. That’s if it’s guaranteed to bolt the same way as the previous mount. Do you think I’d have an issue there? Especially since I’m going from the 2 hp to the 3? ...I’m probably over-thinking this because of the price of these guys.

-- Learning patience quicker than I am the art of woodworking...

View toolie's profile

toolie

1770 posts in 1345 days


#9 posted 08-21-2013 11:54 PM

Do you think I’d have an issue there?

when i last checked into that motor fitting, i was assured it would bolt on without issue, assuming the receiving bracket on the saw is undamaged or unaltered.

Especially since I’m going from the 2 hp to the 3?

absolutely no effect whatsoever. i would replace the belts when replacing the motor. i used 3 dayton belts from grainger (no need for a matched set) and this is how the saw performed on the day i sold it:

https://www.youtube.com/watch?v=a0CGeTLNrCo

-- there's a solution to every problem.......you just have to be willing to find it.

View Hellough's profile

Hellough

37 posts in 1032 days


#10 posted 08-21-2013 11:58 PM

Toolie, you’ve been a fantastic help. Thanks a ton.

And hearing that saw start up gave me goosebumps. I’m so excited it’s ridiculous… Upgrading from a 10” crafstman evlove from Ace Hardware, the jump in quality will be overwhelming.

-- Learning patience quicker than I am the art of woodworking...

View Jerry's profile

Jerry

2233 posts in 2263 days


#11 posted 08-22-2013 12:53 AM

We bought the 4 hp Leeson from the www.electricmotorsite.com that Toolie has quoted. We love our new motor and it works great for us. The extra 4 hp over the 3 hp I don’t think is necessary or even that much noticeable at all but if I recall the price difference between the 3 and 4 was only about 30.00.

You should not have any issue with the Leeson bolting up, Unisaw has their own special motor mount set up that I think has been consistent from what I can tell. I am sure if you go through electricmotorsite.com you will be happy with the motor.

-- Jerry Nettrour, San Antonio, www.topqualitycabinets.net

View Hellough's profile

Hellough

37 posts in 1032 days


#12 posted 08-22-2013 02:38 AM

Perfect follow through. Thanks Jerry.

Just ordered the 3 hp and found out by my uncle that the pulleys were replaced a year ago.

I’ll be sure to update with a few photos once the new motor is installed. Thanks again for everyone’s help.

-- Learning patience quicker than I am the art of woodworking...

View toolie's profile

toolie

1770 posts in 1345 days


#13 posted 08-22-2013 03:54 AM

And hearing that saw start up gave me goosebumps.

i sometimes miss the sound that 3hp baldor made. it was a REALLY heavy motor that really kicked when it started. but it was a right tilt and i opted to keep two emerson electric built 10” CI contractor saws instead. there’s not much, in a hobbyists shop, that a cabinet saw will do that a properly set up 1 1/2 hp contractor saw can’t also do with the right blade.

-- there's a solution to every problem.......you just have to be willing to find it.

View Hellough's profile

Hellough

37 posts in 1032 days


#14 posted 08-22-2013 04:06 AM

Valid point there. I just like the fact that I get to say I own a cabinet saw. I’m quite the nostalgic woodworker. Not much the productive type. Ha!

-- Learning patience quicker than I am the art of woodworking...

View Hellough's profile

Hellough

37 posts in 1032 days


#15 posted 09-09-2013 04:22 PM

So, the new motor is on. And it’s a dandy. However, I’ve run into a small snag. Now that the motor is installed, the blade doesn’t turn as easy by hand. At a certain point in the rotation, it seems very tight and wants to rebound when I let go of the blade.

I fidgeted with the pulley tension a bit and it didn’t seem to help much. My uncle said the pulleys were changed a year ago, so I didn’t think it would be the problem, but maybe it is. Any suggestions?

-- Learning patience quicker than I am the art of woodworking...

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