Question about Dewalt DW788 Heavy Duty 20" Variable Speed Scroll Saw: DW7881 Worklight

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Knocking noise Dewalt DW788 scroll saw

When tighten the blade or increasing the speed getting knocking noise in the upper rocker

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4 Suggested Answers

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  • 2 Answers

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Posted on Jan 02, 2017

al_kupchella
  • 843 Answers

SOURCE: Saw has no power.

Does the motor continue to run, but the arm stops? It sounds like the set screw on the motor shaft is loose. See the exploded view at this link. It's called out as # 97 http://www.dewaltservicenet.com/Products/DocumentView.aspx?productid=5682&typeId=3475&documentId=333

Posted on Jan 27, 2010

sonicboomele
  • 1557 Answers

SOURCE: I lost my manual to my Dewalt DW788 Scroll saw.

he-manuals.com/dewalt-dw788-manual/ -

this should get you back on track

good luck

Posted on May 15, 2010

  • 13 Answers

SOURCE: bad knocking in scroll saw it is a dewalt dw788 20

have you double checked to make sure your tention hold down is not hitting against the upper arm of your saw?

Posted on Jan 03, 2011

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1 Answer

After inserting bottom of blade it pulls to right when tightened


You may think that the deck on your machine is level, but it may be off. Check with a level and make sure. I believe this is your problem. GOO LUCK FRIEND.

May 27, 2015 | Dewalt DW788 Heavy-Duty 20 inch...

2 Answers

On my Dewalt DW788 Scroll saw, as I increase the cutting speed there is a knotting sound that increases isis very loud. How do I stop the knotting sound?


The knocking (knotting) sound could be caused by using a blade that is a bit to short or long. Often if the pinless blade has been broken just a bit then the blade is shorter then it should and it will knock. Also check that they guards are attached properly.

Dec 29, 2014 | Dewalt & Variable Scroll Saw

1 Answer

How can I cut wood 3.5 inches thick with Dewalt Scroll saw?


nope... throat on scroll saw is of fixed height... beside, all scrollsaw blades are of fixed length, i would suggest use of bandsaw with very narrow blade with minimal kerf. do not use pressure on the blade! you will then have same cut through the thickness of the wood! setup bandsaw correctly, do not overtension it - see my other instructables pertaining to the bandsaw and regulation/setup of it

if you find my solution helpful - do not me shy... give some points... :-)

Jan 23, 2014 | Dewalt DW788 20" Variable-Speed Scroll Saw

1 Answer

I lost my manual to my Dewalt DW788 Scroll saw. Could I get another one sent to me.


he-manuals.com/dewalt-dw788-manual/ -

this should get you back on track

good luck

May 15, 2010 | Dewalt DW788 Heavy Duty 20" Variable Speed...

1 Answer

Saw has no power.


Does the motor continue to run, but the arm stops? It sounds like the set screw on the motor shaft is loose. See the exploded view at this link. It's called out as # 97 http://www.dewaltservicenet.com/Products/DocumentView.aspx?productid=5682&typeId=3475&documentId=333

Jan 13, 2010 | Dewalt DW788 Heavy Duty 20" Variable Speed...

1 Answer

Dw788 scroll saw knocking/vibration sound


http://www.scrollsaws.com/SawReviews/DewltTuneUp.htm is a link to a possible solution on scrollsaws.com

It did not fix my problem. My problem is in the "CON ROD ASSY" (part #82) and I found VERY TINY almost microscopic play in the bearing. I took the assembly apart, put it back togerther SEVERAL times and on my last ditch effort, it solved the knocking noise.... I don't think it will last long and probaby just have to replace the part or try to buy the same type bearing for cheap and press it in without damaging it so I don't have to get ripped off on the high dollar Dewalt part.

Mar 16, 2009 | Dewalt DW788 Heavy Duty 20" Variable Speed...

1 Answer

Dewalt DW788 scroll saw noise


hello,,,i just bought a new dw788

Jan 17, 2009 | Dewalt & Variable Scroll Saw

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