Question about Bosch 4000 - 07 Electric Table Saws

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Bosh 4000 table saw , using dado blades.

When useing dado blades, the hight of the blades start to drop when the saw is running. The results is a poor dado cut, had to use a bunge cord on the turning adjustment to keep it from turning and the blades droping. A solution would be appreciated.

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  • Anonymous Mar 17, 2014

    I bought dewalt dado set for my dewalt table saw. need manual for how to set up dado blades

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No good solution for that problem. dado blades vibrate and cause the knob to turn. possibly a clamp on the knob to keep it in place.

tom

Posted on Dec 13, 2008

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I have table saw (r4510)it has a spliter mounted on the side next to the saw blade hold question how do I get the spliter out of the holed out?


I assume you are talking about the riving knife behind the blade.
when you take the hole cover off the saw table, you'll see a lever down on the side of the riving knife that can be either straight up or you can pivot it down toward the blade. When its up, its for through cuts, the riving knife sticks up higher than the blade. <b>When you turn the lever down toward the blade, the riving knife drops down a bit so you can make kerfs that don't go all the way through the wood.</b>
When you take the blade out, you can also take the riving knife out if you are going to put a dado cutter in, but <b>don't remove the riving knife</b> otherwise.

Wood has all kinds of internal stresses that are relieved when you cut the wood. Often the slot the blade cuts results in the two sides of the wood curving together and pinching the blade. This if very dangerous because the back of the blade can get pinched and through your wood at you faster than a major league pitcher can throw a fast ball. I still have a bruise on my chest from this happening to me before thanksgiving. Good thing it was the whole end of a 2x4 and the wood didn't split into a sharp spear as the blade grabbed it. Don't take out the riving knife unless you are using a dado blade and then put it back in right afterwards.

If you don't have one, here's the manual for your saw:
http://tinyurl.com/npkv29o

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1 Answer

Bosh 4000 table saw runs backward and at low speed


I've worked on some table saws with problems like you describe, a couple needed a new speed control unit (Bosch PN 2610997306) in the motor. If all the wiring to and inside the motor is OK and not shorting out anywhere, that's the next part you should look at.

Jul 10, 2012 | Bosch 4000 10IN Table Saw

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I have a craftsman table saw model 113.27870. I need a table insert for a dado blade. I looked on the sears website and it said parts for this saw are no longer available. Will a table insert for a newer...


Maybe you could try using the outline of the regular insert to cut a new insert out of a piece of polycarbonate (lexan) or ABS plastic. The clips that hold my dado insert barely hold it in place on mine, and I've seen other saws that use plastic.

Aug 02, 2010 | Craftsman 10" Table Saw

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Can you run a dado blade on this saw?


The 15 amp 3 hp motor has plenty of power to handlee dado sets and you can purchase a dado blade insert for the saw on line from multiple resources

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What kind of dado blade can I use on my craftsman 10 inch table saw model no. 137.248100/ with stand


You have a 5/8" diameter arbor. You can use any dado blade that will fit. That said here's a few things to bear in mind.

8" diameter dado stacks are pretty standard for 10" contractor table saws. A dado stack is typically about 13/16" wide at most. It makes sense that the wider your blade is, the more power it takes to cut through the wood.

If you were to use the full width capacity of your Dado stack (13/16") a 10" diameter stack would bog down. A 8" stack has a faster rotation at the cutting edge because of its smaller radius. So, you don't bog down when you're making a wider cut if you use a smaller diameter.

If your machine was really underpowered, you could go down to a 6" stack which would cut your power requirements even more, but limits the depth of cut.

If this post was helpful, please vote. Thanks.

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1 Answer

PM2000 tablet saw won't spin up with 3/4" 8" dado stack. Trips overload limit switch.


Check your alignment of the blades, sounds like they are hitting something and will not turn. To check unplug saw and try to turn blades by hand. If they don't turn thats the problem, if they turn check and make sure that the blade is the right type for saw. But if the regular blade works fine you have a binding problem with the dado blades.

Sep 25, 2009 | Powermatic 1792016K 10" 3 HP Model PM2000...

1 Answer

Dado blade installation


Yes. normally an eight inch stack dado set is used on a 10 inch saw. You will also have to purchase or fabricate a special throat plate (non-metallic) to accomodate the extra thickness of the dado set.
The number of blades used, and therefore the thickness, varies depending upon the task at hand.
Make sure to use the factory supplied nut and washer to capture and tighten the dado set securely on the arbor.
Be very cautious in the use of dados. Do not raise the set higher than 1/4" or so until you are familiar with the use of a dado set. Try to avoid so-called "wobble" dado sets. They are IMHO more prone to dangerous kickbacks and harder to adjust than a stack dado set with dado shims.

Mar 21, 2009 | Delta TS200LS Shopmaster 10 Inch Portable...

1 Answer

Smoking


Couple things I would look for first the condition of the blade do you see any buildup around the teeth like something has burnt on it. Also look into the area around the blade under the table (unplug saw first) to make sure that something hasn't dropped into it rubbing blade causing smoke. Also turn the blade by hand to make sure turning freely. The smoke could possibly be coming from a bearing. If it less than a year old Bosch has a pretty good warranty and you might look into that also. Let me know and I will dig deeper into it.

Jan 11, 2009 | Bosch 4000 - 07 Electric Table Saws

1 Answer

I bought a Dado blade set dd208 and there are no instructions


I'm hesitant to even answer, not knowing your skill level. But understanding that you will probably have a use for an item you purchased, and use it one way or another, here's a primer...
Be careful! Never push your hand directly toward the rotating saw such that if the workpiece kicks back your momentum will carry your hand into the blade. Begin by raising the blade only a little above the table surface and run a pass with clean wood over it to get the feel of the resistance a stack of dado blades gives. Consider making a groove in two or more passes if you need to raise the blade more than 1/4" to cut it in a single pass. Use metal dado shims to adjust the precise width of cut. Tighten the stack in a balanced way, such that the carbide teeth are not in contact with one another. Stay away from wobble dado sets. Etc. Etc. Etc.
You may wish to have a look at this website, whose author has obviously given the subject considerable thought: http://www.newwoodworker.com/usngstkddados.html

Finally, be carefull. If you think a single saw blade can tear flesh, imagine what a 3/4" wide swath will do to your hand. Think about your setups. Use test pieces to get them right. Then pay attention while you run your dados. And try to avoid plunge cuts, especially on anything shorter than a couple of feet in length. When you can, use a miter jig in the slot to hold any work you have to pass cross-grain over the dado.
Be careful, feed smoothly, and hold your workpiece firmly against the fence while it passes over the blade.

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1 Answer

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Basic saw safety dictates that the blade should barely clear the thickness of the material being sawed. This has saved my fingers more than once, Also, make sure you use a push stick for thin rips. They are a lot easier to replace than fingers, and are easily made from scrap stuff. As for the blade diameter, you want to use a 10" blade, but on occasion a smaller blade can be used, just be sure the arbor doesn't rub against the bottom of the table. Dado blades for 10" saws are usually only about 8" in diameter.

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