Dewalt Drills - Page 9 - Recent Questions, Troubleshooting & Support

Most likely it's the battery. If you can find someone else with the same system then maybe they could check it for you. Unfortunately, you have the 20 volt system which isn't nearly as common as the 18V. Or you could bring it to someplace like Batteries + Bulbs (If you have them around you) and they will tell you what's not working.

Is this a cordless?

turn the selector lever from hammer / drill to hammer it is a second lever close to the gear box of the drill

Here is DeWalt's marketing thing on the subject.

http://www.dewalt.com/us/cordless/powerrating/

Unit Watts out (UWO) is their rating for the (presumably sustainable)maximum power output at the chuck of the drill. You can read about it..their explanation is basically technically correct.

Yes, max torque is related. The maximum power in a permanent magnet DCmotor system occurs at half the maximum speed when the system is loadedwith half the maximum torque.

1hp = 746 watts, DeWalt's DC900 36V drill is claimed to be 750 watts,close enough so let's call it 1 HP ok? Their max RPM is 400. So 200 RPMis the half-way point.

1HP = 200RPM*Tmax(in-lbs)/(24*5252)

Tmax = approx 630 in-lbs

The equation I used is known equation for relating power (HP) to RPMand torque (in ft-lbs..I added in the factor of 1/12 to account for thein-lbs to ft-lbs conversion).

By the way DeWalt make some bold claims about other manufacterers' drills.

For example they claim the 18V Lok Tor by Milwaukee puts out 390 UWOcompared to their DC988 model listed as 420 UWO. Yet I have readinformation from Milwaukee's own independent tests that claim the LokTor drills faster 2 9/16" self-feeds AND more self-feeds per batterythan that very DeWalt model.

This was posted on Milwaukee's Tool Talk forum (when it existed). Ibelieve the Milwaukee official said that DeWalt averaged 7.2 secondsper hole while the Milwaukee averaged 6.4 seconds per hole. I make beoff slightly but I do remember it was around a 1 second difference.Plus the Milwaukee apparently drilled 28 holes per batt where dewaltwas 25.

you cant replace the brushes on this drill it is a sealed motor. go this site the replacement motor is $ 38.77 http://www.ereplacementparts.com/dewalt-dc759ka-type-18v-cordless-drill-parts-c-1009_

most likely the switch is bad . you can find a break down and buy the part from ereplacement.com

it is most likely stripped out and will need to be replaced

Try this web page. http://powertoolshelp.com/dewalt-dc750ka-cordless-drilldriver-users-manual

This sounds like your charger will most likely will need to be replaced, in this day in time most charger are throw aways.

You should be able to get the info from Dewalt.com

Learn to speak and spell english

Have you tried going to dewalts web site and downloading the instruction manual.

Go to ereplacement.com and put in your model number and they should have a breakdown and should have the part.

Go to ereplacement.com put in your model and they will have a parts breakdown and most likely they have the part

Buy a new one the one you have is shot? This is a voluntary site: we receive to pay!!!!!

Motor windings may be bad. All Dewalt tools can normally be rebuilt @ Dewalt store for $99.00. I have had 6 tools rebuilt @ that standard price. Dewalt site can give you nearest store. Batteries worn out?

A leaking seal. This may be covered under your warranty.