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Anonymous Posted on May 27, 2014
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Dewalt DW423 speed mechanism not working, how do I wire around it?

Speed adjust module appears to be not working. How do I wire around it, and just operate the sander at full speed?

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5 Related Answers

efs_perpends

efs_perpends

  • 1997 Answers
  • Posted on Mar 24, 2009

SOURCE: Hand sander stops spinning once placed on item to be sanded

This sander has a brake pad that is supposed to stop the rotation when the sander is not actually in use. It sounds like it's malfunctioning.
The only other thing I can think could be a cause of what you describe is an improperly assembled sanding base. Have you changed out the base, and if so, were you sure to properly align the replaced base on the machine before you tightened the allen screw?
If you're not comfortable disassembling a tool that is still under warranty ( I think it's two years for that one), I would recommend finding a Dewalt service center and taking it in for a factory service call.

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efs_perpends

efs_perpends

  • 1997 Answers
  • Posted on Apr 02, 2009

SOURCE: need a wiring diagram for a delta drum sander

Here's a link to the online manual.
As far as that diagram....didn't you label the wires?
Take a look here, it may help you. circuit wiring , especially the paragraph that begins: "Knowing that electrically common points have zero voltage drop between them is a valuable troubleshooting principle." Also read about resistors. That speed control knob is one.
Hope that helps...

I hope this information allows you to resolve this issue. If you need further assistance, please post back with a comment to this thread. If I've managed to answer your question or solve a problem, please take a moment to kindly rate this post....thanks!

Anonymous

  • 154 Answers
  • Posted on Apr 14, 2009

SOURCE: Sander will operate only at a very low level of power.

It is either a bearing or bearings that are failing and causing the sander to slow down or the variable speed switch is failing.

Anonymous

  • 952 Answers
  • Posted on Jul 03, 2009

SOURCE: electric sander sparks and smokes - does not run

its possible that the electric motor brush is already worn out. try to have it changed..

seanpwright

Sean Wright

  • 2045 Answers
  • Posted on Apr 02, 2010

SOURCE: Dewalt DW433 belt sander stop working, why?

Check the brushes for the motor they may have gone bad or broken, I have seen this happen before on dewalt tools.

Btw, I’m available to help over the phone in case u need at https://www.6ya.com/expert/sean_54c3a3dc48a7773c

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My Dewalt DWD460 slows down when I depress the trigger all the way. Why? A bad switch or Module??

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