Question about Dewalt DC727KA 3/8" 12v Cordless Drill/Driver Kit

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My DW928 Dewalt drill is making sparks and smelling in the area of the brushes. I replaced the brushes and it is still doing it.

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

rowdy45176
  • 2176 Answers

SOURCE: Unable to get to brushes on DeWalt DW959 drill type 1.

the brushes are made to slide into the side of the motor. gently pull up on them. Also I would recommend that you go to Dewaltservicenet.com and type in your model number for a parts explosion and part number for replacement brushes. Let me know

Posted on Jan 11, 2009

  • 103 Answers

SOURCE: Ryobi cordless drill burning smell

your over using the drill on havy jobs

Posted on Apr 12, 2009

  • 25 Answers

SOURCE: 14.4v dewalt xr2 drill

Some cordless Dewalt drills do not have open motors allowing access to the brushes. However there are a few styles that do.

If you want to check, open your drill. Remove the screws from the housing. Then remove half of the housing. You can see the motor at the back of the tool. If there are vents at the back of the motor you may be able to see the brushes the removable type are connected to a gray or tan piece of plastic mounted at the back of the motor.

If the brushes are from a removable style you can purchase a brush set. If they are hidden in the motor. You will have to change the whole motor.

You can check the Dewalt Service Net web site to find out.

Posted on Apr 23, 2009

  • 12 Answers

SOURCE: Dewalt Drill DC728. Chuck came out of drill body

If you find that the end of the screw inside the chuck is actually broke then you have a gear problem inside your drill. This is actually a very common problem. Sometimes people push too hard on their drills and the gears inside wear out and break. This prevent the motor from wearing out, but, the gears have to be replaced.
If it is the gears and not the chuck. you broke the minimium of the front gear or gears inside your drill. YOU CANNNOT repair gears. they need to be replaced. you may be able to find some off brand gears to work but, you run the risk that they are not as strong as your original ones, or may not be exactly grooved correctly.
so, if replacing your chuck does not work. find replacement gears. IF you cannot find the gears from the manufacturer see about replacing your drill.
If the chuck is still good, keep it. If you buy the same model, keep your old drill for replacement parts, ie, switch, armature, cord, etc.
hope this helps somewhat.

Posted on Jun 11, 2009

brewerstool
  • 141 Answers

SOURCE: how to change the bushes on a Dewalt DW928 14.4V

You will need to get part # 389025-00 which is the brush pair kit. Remove the 8 torx screws from the right side handle half. Make sure you have the drill on its side and pry the handle half off carefully. Make sure not to disturb the insides too much. You could possibly mess up the transmission setup if care is not taken. After removing the handle half you want to take out the motor, switch and transmission all together. Remove the motor from the transmission taking care not to let all the insides of the transmission fall out. You will not like having to figure out how all those gears go back into the transmission. If you have a piece of duct tape handy, I suggest putting it over the transmission so you don't hit it accidentally and send small gears flying. ( I have done this on numerous occasions) Once your transmission is safely away from the motor you can pry out the whole brush block with a flathead screwdriver. The brush block just slides out. I suggest you do one side at a time and replace both the brush box and wire. Make sure you use the correct color wire and replace it exactly as saw the original. DC switches and motors can be damaged if you wire it incorrectly. All it takes is one squeeze of the trigger to ruin either when wired wrong. After replacing the brush blocks you can reassemble the drill. Take note that there are tabs on the transmission that have to line up properly with the handle half in order to seat properly. Any questions please post and I will answer.

Posted on Oct 25, 2009

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They all do that a bit. The sparks when starting up and stopping are normal. If it has been used alot brushes may be a good idea but before they need to be changed it will spark quite a bit.

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18v is one of the newer models, correct? And the drill is new? If so there will be some smell as the motor breaks in. The srmsture is varnished as well as the windind for the commutator. The first few times it get s warm/warm from a heavy load, You will smell it. I would say there is nothing wrong at this point.Do not overload the motor and avoid drilling at low speeds. Use the variable trigger at low speed only for starting a hole. If you are driving screws start the screw,then full trigger driving it in. Good Luck, Ned

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How to change the bushes on a Dewalt DW928 14.4V


You will need to get part # 389025-00 which is the brush pair kit. Remove the 8 torx screws from the right side handle half. Make sure you have the drill on its side and pry the handle half off carefully. Make sure not to disturb the insides too much. You could possibly mess up the transmission setup if care is not taken. After removing the handle half you want to take out the motor, switch and transmission all together. Remove the motor from the transmission taking care not to let all the insides of the transmission fall out. You will not like having to figure out how all those gears go back into the transmission. If you have a piece of duct tape handy, I suggest putting it over the transmission so you don't hit it accidentally and send small gears flying. ( I have done this on numerous occasions) Once your transmission is safely away from the motor you can pry out the whole brush block with a flathead screwdriver. The brush block just slides out. I suggest you do one side at a time and replace both the brush box and wire. Make sure you use the correct color wire and replace it exactly as saw the original. DC switches and motors can be damaged if you wire it incorrectly. All it takes is one squeeze of the trigger to ruin either when wired wrong. After replacing the brush blocks you can reassemble the drill. Take note that there are tabs on the transmission that have to line up properly with the handle half in order to seat properly. Any questions please post and I will answer.

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Here is the schematic for you: http://www.toolpartsdirect.com/cgi-bin/schematic.cgi/makita/6011D

If it is running just fine and meets your needs I would just keep on using it.

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