How do I change the keyless chuck on a cordless drill/
Remove the REVERSE-THREAD screw at the bottom of the chuck. Set the clutch collar to the highest setting, and set the gear to the slowest setting if this drill has a 2 speed transmission. Remove the battery! I have performed this with the battery in back in my noob days, and getting an allen wrench in your rib because you accidently hit the trigger will only happen once. You will never forget that experience. Get the biggest allen wrench you can fit in the end of the chuck(the shortest leg) and tighten the chuck down around it, allowing the jaws to rest and tighten on the flats of the wrench. Lay the drill on its side(chuck toward you, handle to the left, and allen wrench to the left, horizontal to the deck. Then with a hammer(soft hammer if you care about the allen wrench) quickly and deliberately hit the allen wrench in an attempt to cause the allen wrench to spin counter clockwise. You have only a few to several attempts at this before you risk damaging the clutch, so make the first one count. Follow through like you are attempting to hit something 6" below the allen wrench. If this does not do the trick before you shell the clutch/gearbox, you are looking at an expensive undertaking, most likely a new drill. I have only shelled 2 clutches out of literally tens of thousands of chuck repairs, so don't worry, just be aware. Let me know how it goes!
Nov 23, 2010 |
Black & Decker 18V Cordless Drill/Driver