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Delta 36-725 Table Saw Warped Top

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Forum topic by Buck_Thorne posted 01-05-2018 01:55 PM 2031 views 1 time favorited 74 replies Add to Favorites Watch
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Buck_Thorne

38 posts in 1191 days


01-05-2018 01:55 PM

Topic tags/keywords: tablesaw question

I bought a Delta 36-725 in March 2015. Until now, I’ve been quite pleased with it. But recently I noticed my crosscut sled was wobbling. Figuring it had simply warped, I set about building a new one, this one with a good flat 3/4” Baltic birch plywood base. I was just about to attach the fence when I noticed that it, too, was wobbling!

I grabbed a good straight edge, and sure enough… the cast iron top has warped, and not just a little bit. When I put the sled back on and held the righthand side down, and pushed the sled to the back of the saw, the lefthand side is 3/8” up in the air!

The warp seems to be mostly the left rear, if that means anything. I’m wondering if there is any way to fix this, or do I just try to sell it off (caveat emptor) and get something new?

The warranty is 5 years for defective parts, but unfortunately, I haven’t been able to find the receipt and I don’t think I registered the saw when I bought it. I’m not even sure if I bought it on my current credit card. (also, the warranty requires that I pack it up and ship it back to them at my expense… something I really don’t want to do)

Can anyone offer any help, or at least, condolences?


74 replies so far

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builtinbkyn

2633 posts in 1061 days


#1 posted 01-05-2018 02:04 PM

Not sure how a cast iron top can warp on it’s own. 3/8th of an inch is pretty severe. I don’t think it would take placing a straight edge on it to see it. How about posting a pic?

-- Bill, Yo!......in Brooklyn & Steel City :)

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Carloz

1147 posts in 712 days


#2 posted 01-05-2018 02:19 PM

If you decide to go with the warranty I hope you could just send them the cast iron plate.
Funny thing is that that part itself cost 50% more than the whole table saw.

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Buck_Thorne

38 posts in 1191 days


#3 posted 01-05-2018 02:27 PM

I’m sorry… I guess I wasn’t clear. The 3/8” is just the gap that the sled leaves when I put all the pressure on one side of the sled. When I use a straightedge it isn’t that severe… but its enough to cause a very noticeable rocking of the sled when I shift pressure from one side to the other.

I’d say the gap using simply a straightedge is more like 0.06”, but it is tough for me to hold everything in place, slip the feeler gauge in place, and take a picture by myself (I have no help here). I am attaching a picture showing the gap as well as I can, though.

https://i.imgur.com/VCQbBhh.jpg

View WhyMe's profile

WhyMe

1049 posts in 1681 days


#4 posted 01-05-2018 02:47 PM

Have you left heavy items stacked on the end of the saw? Best you can do is call Delta and see what they say about a replacement top under the warranty. If you don t have receipt and didn t register it I think you may be SOL.

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WhyMe

1049 posts in 1681 days


#5 posted 01-05-2018 02:47 PM

Double post…....... ??? can’t delete

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Buck_Thorne

38 posts in 1191 days


#6 posted 01-05-2018 02:51 PM

Absolutely have not left heavy things on it. Nothing but my crosscut fence. Besides, I’m not trying to figure out why it happened at this point, but to see if there is anything that can be done to remedy it.

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WhyMe

1049 posts in 1681 days


#7 posted 01-05-2018 02:57 PM

Is it really cold where you have the saw? You could try warming the top with a heat gun to see if there’s any movement.

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TheFridge

10129 posts in 1606 days


#8 posted 01-05-2018 03:02 PM

Most the contractors saws I’ve seen were a lot older and warped inward slightly or at the miter slots from the motor hanging. My condolences.

-- Shooting down the walls of heartache. Bang bang. I am. The warrior.

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Buck_Thorne

38 posts in 1191 days


#9 posted 01-05-2018 03:25 PM



Is it really cold where you have the saw? You could try warming the top with a heat gun to see if there s any movement.

- WhyMe

Its cool down there, but not freezing. It is in my basement, and it is pretty cold here in Minnesota right now, but the workshop is still around 50-60F depending on whether or not I have the door to the adjacent room open.

View jonah's profile

jonah

1838 posts in 3419 days


#10 posted 01-05-2018 03:55 PM

If you paid with a credit card, you can always go back and get that credit card statement to prove you purchased it. You absolutely don’t need to register a product to receive warranty service. I’d go that route. It seems like a defective casting.

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Buck_Thorne

38 posts in 1191 days


#11 posted 01-05-2018 10:41 PM

I think this photo shows the warp better.

I’ve been taking a hard look at it today and it seems to be a hump near the area that the arbor attaches to. That would be the fulcrum of the teeter-totter, I guess. The 3/8” I mentioned in my first post was from what I guess you could call a “teeter-totter” effect… as I pushed down on the near, left corner, the far right corner lifted like the far seat on a teeter totter, exaggerating the effect.

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Milan

2 posts in 261 days


#12 posted 01-05-2018 11:45 PM

That is severe! It must have missed the Normalizing process during manufacturing. I would take it off and let a good machine shop mill it flat. Don’t forget to have them also deepen the slots the same amount!

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MrUnix

6891 posts in 2319 days


#13 posted 01-06-2018 12:15 AM

Figure out when you bought it and try to find proof as mentioned. Then contact Delta. In many cases, they will just ship you the part without you having to send anything back to them. That is, if it’s still within the 5 year warranty period :)

Cheers,
Brad

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

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Buck_Thorne

38 posts in 1191 days


#14 posted 01-06-2018 12:22 AM



Figure out when you bought it and try to find proof as mentioned. Then contact Delta. In many cases, they will just ship you the part without you having to send anything back to them. That is, if it s still within the 5 year warranty period :)

Cheers,
Brad

- MrUnix


I stopped by the bank today in an attempt to get the credit card statement, but they didn’t have data that went back over a year so we had to pass it along to the credit card folks. It will take a week or so before I hear from them.

I sure hope you are right about them deciding to just ship me the part. Even that alone would be a lot of work, taking the old one apart and putting it all back together.

This is really disheartening. I was so thrilled and proud when I moved from my old Ryobi toy to this.

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Buck_Thorne

38 posts in 1191 days


#15 posted 01-06-2018 12:25 AM



That is severe! It must have missed the Normalizing process during manufacturing. I would take it off and let a good machine shop mill it flat. Don t forget to have them also deepen the slots the same amount!

- Milan


Any ideas what that would cost me? I’m not even sure where I’d find any machine shop near me, much less a good one.

Anybody wanna buy a great little table saw? ;) I really want a Saw-Stop anyway. (btw, I see that Delta now sells a similar model to mine that does have blade lockup capabilities )

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