Question about Dewalt DC910KL Heavy-Duty 1/2" 28V Nano Phosphate Lithium Ion Cordless Hammerdrill/Drill/Driver

2 Answers

Just quit working one day, drill is just over a year old not used a whole lot, pull trigger and nothing happens

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  • nok99 May 03, 2010

    Batteries are fully charged and work in the circ. saw that came with the combo set. I took it apart the brushes look fine(no corrosion)but there are 2 wires that go to the back of the motor and looks like the casing around the wire has wore off from the tight space and maybe shorted out on the motor housing. Make sense? Just a shot in the dark. How do you check the trigger?

  • nok99 May 04, 2010

    It Is a hammer drill, and it's not stuck between gears, it changes gears quite easily. I'll check the transistor....hopefully. I already taped the wires and tried that with no success. Thanks.

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When you take the drill apart there is a field and gen set or stator and rotor. wich have brushes that make contact with the rotor. they are spring loaded and its possible that they have lost contact from corrosion build up. do this only if you have made sure its not the batt,trigger,or stuck between gears. simple solutions first

Posted on May 03, 2010

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Are the batteries fresh? How about the switch? Is it in the right position? I can't believe the motor has died. Even a dead battery will spin it a little. Check that out and let me know what you find.

Posted on May 03, 2010

  • Ned  White
    Ned White May 03, 2010

    Is it a hammer drill? Is the gear in the right position.? The wire sounds like a good bet, If it is shorting out, put a piece of tape on it and see. Sometimes in between the battery and switch there is a little resistor, I had the same problem with a black and decker, we cut the resister out and soldered it back together,,it worked fine. Of course we don't know what we did, or how long it will last, but,,,, Check out the wire, then the resistor, you can buy the things at radio shack. Hope this helps.

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