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Dewalt 743 how to replace the brushes

Stopped working. suspect the brushes on the motor

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If the motor body has two large screws on the outside, then you can remove them and install new brush set. If there isn't, then you have to take the motor apart and install them. Try to look up the saw and get a parts break-down picture or drawing first.

Posted on May 07, 2014

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Posted on Jan 02, 2017

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SOURCE: how do i replace brushes on dewalt table saw

unscrew brush cap on each side of motor and pull brush out
do it reverse with new one

Posted on Nov 23, 2012

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I have a dewalt flip saw with problems starting up it just makes a buzzing sound but if you turn the blade it will run whats the problem !


If the motor does not turn hot its is good news. Then try to clean the contact brushes that provide power to the motor, making sure the device is UNPLUGED from the electric supply.If that works, it is confirmation it is a brush issue. If so, consider replacing the brushes wich are unexpensive

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Could be the brushes or a fault with the motor. Give it a little tap.

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How do i replace brushes on dewalt table saw


unscrew brush cap on each side of motor and pull brush out
do it reverse with new one

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1 Answer

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Knock the back end against something. Or shake the drill and if it sputters, it could be a loose wire, or more likely worn brushes. If that doesn't do anything, open the case and check with a volt meter if you are getting any current past the switch (ie hold the terminals from the volt meter onto the brushes or onto the leads coming out of the top of the switch.)

If you get a reading of 19V to a couple volts less, then you're switch is most likely okay. Check for worn brushes. Or a motor replacement might be necessary. (Yes it's easy to do)

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

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1 Answer

Dewalt cordless drill dc988- drill motor works intermitantly when trigger is pulled. Works a little better as it warms up. Im thinking vsr switch, brushes, or motor/armature. please help...


Test the brushes by catching it in a stalled condition when you have it triggered, then rotate it slightly. If it takes off suspect the brushes or a dead segment on the comutator.

If it doesn't respond to this, then consider the VSR trigger... open it and test by bypassing it when in stalled condition...

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I have a DeWalt DW927 cordless drill. It's lost


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1 Answer

Hello, I have a dewalt drill cordless 12V. I have taken the casing off and want to know how I want to know how I get to the brushes. It has stopped working and suspect that it is the brushes. I am not...


I fix cordless DeWalt drills every week!Look for two black carbon-like blocks found on either side of the commutator ( the central spindle ) they will each have one wire on the outside end attached to a spade connector so the brush can be easily removed by prying it out from beneath the spring holding the brush against the commutator.  Then the wire can be removed and the new brush installed.    Go online to http://www.toolpartsdirect.com and search for your model dewalt drill. they have an exploded diagram and parts listing for each model drill.  That will identify the brush for you if you have never seen one before.    If the drill was operating intermittently with lots of noise and usually blue sparks coming out, loss of power, increasing intermittant operation it would almost certainly benefit from replacing the brushes.   If it is simply dead, and was ever dropped.  check the battery terminals and the trigger mechanism.  Of course inspect the battery and check inside the drill for loose or broken wires and connections. I hope this is helpful. Good luck!

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1 Answer

Auto stop brushes Question


Auto stop brushes prevent operation when the brushes are worn, protecting the motor from damage.

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