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Problem with Delta 36-725 table saw - keeps shutting itself off

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Forum topic by Hiro666 posted 02-25-2016 03:01 PM 1870 views 0 times favorited 36 replies Add to Favorites Watch
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Hiro666

9 posts in 321 days


02-25-2016 03:01 PM

Unfortunately, this is my first post to this wonderful forum but I’m at a loss.

NOTE: I have not contacted Delta as of yet. I plan to tomorrow but thought I would field opinions from those much more experienced than I.

I first experienced this self shutting off when ripping a full 4×8 3/4” plywood. At first I thought perhaps the used blade I installed was too dull and the motor was overloading and shutting itself off. So I switched back to the blade the saw came with (I bought this barely a month ago) to see if that made a difference. It did… somewhat. I tried ripping the same piece of ply and got within about a foot of completing the cut before it shut off again. Since then I had made smaller cuts without incident.

Tonight, however, was the real surprise. I was setting up to rip a small piece of 1/4” ply. I started up the saw and was about to make the cut but held back and was rethinking something. While I was deep in thought, the saw shut itself off! I hadn’t made a single cut! So I let it cool down again, reset it then turned it back on and let it run. After about 30 seconds, it shut itself off. So I obviously have a problem.

Keep in mind, at none of these events did I ever trip my circuit. I set up a new 20 amp circuit to run my heavier tools off of and I only have one of them running at a time. I also took the back off and could see no obstructions. Hand turning the blade feels free and smooth without any spots that grab. When it is running it sounds pretty smooth.

So… any thoughts? Perhaps I’m being dumb and overlooking something obvious? I’m interested in hearing what you all think.

Thanks!


36 replies so far

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hotbyte

841 posts in 2436 days


#1 posted 02-25-2016 04:15 PM

Bummer…that’s no fun. Sounds like you’ve checked things I would think about – circuit size, free spins, etc.

Does the motor feel hot/over heated right after it shuts off? Or, maybe it is some type of capacitor issue?

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Hiro666

9 posts in 321 days


#2 posted 02-25-2016 04:20 PM

Update: I let the saw cool overnight then went to just turn it on. After a minute, it shut itself off. Ugh.

I spoke to Delta this morning and they say I should return it. Spoke to Lowe’s and they don’t have a problem with me exchanging and, thankfully, I don’t have to break it down and get it back into the box (though they do require the box). Still in all, this is a pain. It’s not like its an easy thing to just throw this thing onto my truck. I’ve got to get it back upstairs from my basement and onto the back of my truck.

In researching my issue, it definitely seems to be the exception since I couldn’t find another instance of this happening to someone. This saw is so popular there are plenty out there and it looks like I just got unlucky and got a lemon.

Needless to say I will be firing up the new one before putting it all together and getting it down to my basement!

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Hiro666

9 posts in 321 days


#3 posted 02-25-2016 04:27 PM

hotbyte – The Delta tech said it might be a capacitor. He said it could be belt related. Either way, the nearest Delta service center is more than 80 miles away and since this is a new saw he said to just exchange it.

Yes. The motor does get pretty warm but not sure what is normal.

Either way, looks like I get to wrestle again with this beast.

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WhyMe

611 posts in 1022 days


#4 posted 02-25-2016 04:32 PM

Are you using an extension cord?

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MrUnix

4208 posts in 1660 days


#5 posted 02-25-2016 04:38 PM

Does that saw have a magnetic switch or just a simple on/off button? When it stops, do you have to push the reset button on the motor or just turn it back on? If the later, and it has a mag switch, it could be something as simple as a loose wire in the switch. If the former, then just take it back because it could be any number of things that you probably don’t want to troubleshoot :)

Cheers,
Brad

-- Brad in FL - To be old and wise, you must first be young and stupid

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716

502 posts in 377 days


#6 posted 02-25-2016 04:58 PM

By 76-725 you mean 36-725. Right ?
Next time when you get the same issue, plug it off and feel the motor. If it is hot it could be a short somewhere in the winding.
The good thing this saw has 5 years warranty so no worry, Delta will send you a new motor.

——————
OVERLOAD PROTECTION
Your saw is supplied with overload protection. If the
motor shuts off or fails to start due to overloading
(cutting stock too fast, using a dull blade, using the
saw beyond its capacity, etc.) or low voltage, let the
motor cool three to five minutes. Then depress the red
reset button (B), on the motor under the saw, shown in
Figure 20, and restart the saw.
NOTICE: If the motor continually shuts off due to
overloading, contact a qualified electrician.

-- It's nice!

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Hiro666

9 posts in 321 days


#7 posted 02-25-2016 05:28 PM

I can’t believe I typo’ed the model number! Argh! Yes, 36-725.

I’m not going to try and troubleshoot/fix. I’ve had the saw for a month. Both Lowe’s and Delta have no problem exchanging so I will do that knowing odds are it will be fine.

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Hiro666

9 posts in 321 days


#8 posted 02-25-2016 05:39 PM

To answer your question, WhyMe – no. I’m not using an extension cord.

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WhyMe

611 posts in 1022 days


#9 posted 02-25-2016 07:35 PM

Even though you are getting a new saw, check the voltage on that circuit when under load to make sure you are not having some unusual voltage drop that may have damaged the motor over time. You sure don’t want to get a new saw and start having the same problem a month from now.

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MadMark

977 posts in 914 days


#10 posted 02-25-2016 07:57 PM

Check the 220vac / 110vac switch & wiring. A winding miswire could cause your issue.

M

-- Madmark - Madmark2150@yahoo.com Wiretreefarm.com

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Hiro666

9 posts in 321 days


#11 posted 02-25-2016 08:48 PM

MadMark – Hmm… certainly easy to check. I’ll definitely take a look.

WhyMe – I’ll check but that would be surprising considering this is a new circuit I wired myself.

I appreciate everyone’s response!

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WhyMe

611 posts in 1022 days


#12 posted 02-25-2016 08:52 PM

Hiro666 said he wasn’t going to do any trouble shooting since he’s getting a new saw..

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WhyMe

611 posts in 1022 days


#13 posted 02-25-2016 08:59 PM



WhyMe – I ll check but that would be surprising considering this is a new circuit I wired myself.

- Hiro666

It’s probably just a bad motor cap or overload device. Not suggesting you did crappy electrical work but it won’t hurt to check the voltage when you get the new saw up and running.

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Hiro666

9 posts in 321 days


#14 posted 02-25-2016 09:01 PM

Oh, believe me. I fully keep an open mind when it comes to me doing stuff and the potential for screwing something up! :-)

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716

502 posts in 377 days


#15 posted 02-25-2016 09:47 PM



MadMark – Hmm… certainly easy to check. I ll definitely take a look.

WhyMe – I ll check but that would be surprising considering this is a new circuit I wired myself.

I appreciate everyone s response!

- Hiro666


Maybe that is the cause ? ;-)

-- It's nice!

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