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Fix a dw788 dewalt scrollsaw thtslost its speed cotroll

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  • 272 Answers

Do you mean lost as in 'completely missing' or as in 'stopped working'?
The only moving parts are the on/off switch and the speed control knob and variable resistor. On mine, I had to replace the variable resistor pot. You have to get one with the same resistance rating. If you know what it is, you can get them off ebay. Doesn't have to be designed for a scrollsaw. They're all the same whether they're for a saw or for a radio volume control. Only the resistance needs to be matched. (Well, the way the knob fits on the post has to match too.)

Posted on Jan 03, 2015

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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

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1 Answer

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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

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1 Answer

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

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